KB4571702: Windows Server 2012 August 2020 Security Update - Nessus
High Plugin ID: 139493This page contains detailed information about the KB4571702: Windows Server 2012 August 2020 Security Update Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.
Plugin Overview
ID: 139493
Name: KB4571702: Windows Server 2012 August 2020 Security Update
Filename: smb_nt_ms20_aug_4571736.nasl
Vulnerability Published: 2020-08-11
This Plugin Published: 2020-08-11
Last Modification Time: 2022-02-25
Plugin Version: 1.18
Plugin Type: local
Plugin Family: Windows : Microsoft Bulletins
Dependencies:
ms_bulletin_checks_possible.nasl, smb_check_rollup.nasl, smb_hotfixes.nasl
Required KB Items [?]: SMB/MS_Bulletin_Checks/Possible
Vulnerability Information
Severity: High
Vulnerability Published: 2020-08-11
Patch Published: 2020-08-11
CVE [?]: CVE-2020-1046, CVE-2020-1337, CVE-2020-1339, CVE-2020-1377, CVE-2020-1378, CVE-2020-1379, CVE-2020-1380, CVE-2020-1383, CVE-2020-1464, CVE-2020-1466, CVE-2020-1467, CVE-2020-1472, CVE-2020-1473, CVE-2020-1474, CVE-2020-1475, CVE-2020-1476, CVE-2020-1477, CVE-2020-1478, CVE-2020-1485, CVE-2020-1486, CVE-2020-1488, CVE-2020-1489, CVE-2020-1509, CVE-2020-1513, CVE-2020-1515, CVE-2020-1517, CVE-2020-1518, CVE-2020-1519, CVE-2020-1520, CVE-2020-1529, CVE-2020-1530, CVE-2020-1537, CVE-2020-1538, CVE-2020-1554, CVE-2020-1557, CVE-2020-1558, CVE-2020-1562, CVE-2020-1564, CVE-2020-1565, CVE-2020-1567, CVE-2020-1570, CVE-2020-1577, CVE-2020-1579, CVE-2020-1584, CVE-2020-1587
CPE [?]: cpe:/o:microsoft:windows
Exploited by Malware: True
Synopsis
The remote Windows host is affected by multiple vulnerabilities.
Description
The remote Windows host is missing security update 4571702 or cumulative update 4571736. It is, therefore, affected by multiple vulnerabilities :
- A remote code execution vulnerability exists when Windows Media Audio Codec improperly handles objects. An attacker who successfully exploited the vulnerability could take control of an affected system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit a malicious webpage. The security update addresses the vulnerability by correcting how Windows Media Audio Codec handles objects. (CVE-2020-1339)
- An elevation of privilege vulnerability exists in the way that the srmsvc.dll handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. (CVE-2020-1475)
- An information disclosure vulnerability exists when DirectWrite improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage. The security update addresses the vulnerability by correcting how DirectWrite handles objects in memory. (CVE-2020-1577)
- An information disclosure vulnerability exists in RPC if the server has Routing and Remote Access enabled. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system (CVE-2020-1383)
- A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory. An attacker who successfully exploited the vulnerability could install programs; view, change, or delete data; or create new accounts with full user rights. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit a malicious webpage. The security update addresses the vulnerability by correcting how Windows Media Foundation handles objects in memory. (CVE-2020-1379, CVE-2020-1477, CVE-2020-1478, CVE-2020-1554)
- An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2020-1486)
- An elevation of privilege vulnerability exists when the Windows CSC Service improperly handles memory. (CVE-2020-1489, CVE-2020-1513)
- An elevation of privilege vulnerability exists when Windows improperly handles hard links. An attacker who successfully exploited this vulnerability could overwrite a targeted file leading to an elevated status. (CVE-2020-1467)
- A denial of service vulnerability exists in Windows Remote Desktop Gateway (RD Gateway) when an attacker connects to the target system using RDP and sends specially crafted requests. An attacker who successfully exploited this vulnerability could cause the RD Gateway service on the target system to stop responding. (CVE-2020-1466)
- An elevation of privilege vulnerability exists in the Local Security Authority Subsystem Service (LSASS) when an authenticated attacker sends a specially crafted authentication request. A remote attacker who successfully exploited this vulnerability could cause an elevation of privilege on the target system's LSASS service. The security update addresses the vulnerability by changing the way that LSASS handles specially crafted authentication requests. (CVE-2020-1509)
- A remote code execution vulnerability exists when the Windows Font Driver Host improperly handles memory. An attacker who successfully exploited the vulnerability would gain execution on a victim system. The security update addresses the vulnerability by correcting how the Windows Font Driver Host handles memory. (CVE-2020-1520)
- An elevation of privilege vulnerability exists when the Windows UPnP Device Host improperly handles memory. (CVE-2020-1519, CVE-2020-1538)
- An elevation of privilege vulnerability exists when the Windows Telephony Server improperly handles memory. (CVE-2020-1515)
- An elevation of privilege vulnerability exists when the Windows File Server Resource Management Service improperly handles memory. (CVE-2020-1517, CVE-2020-1518)
- An elevation of privilege vulnerability exists in the way that the dnsrslvr.dll handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. (CVE-2020-1584)
- An elevation of privilege vulnerability exists when the "Public Account Pictures" folder improperly handles junctions. (CVE-2020-1565)
- An elevation of privilege vulnerability exists when the Windows Remote Access improperly handles file operations. An attacker who successfully exploited this vulnerability could gain elevated privileges. (CVE-2020-1537)
- An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol (MS-NRPC). An attacker who successfully exploited the vulnerability could run a specially crafted application on a device on the network. (CVE-2020-1472)
- An elevation of privilege vulnerability exists when the Windows Kernel API improperly handles registry objects in memory. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel API properly handles objects in memory. (CVE-2020-1377, CVE-2020-1378)
- An elevation of privilege vulnerability exists when the Windows Print Spooler service improperly allows arbitrary writing to the file system. An attacker who successfully exploited this vulnerability could run arbitrary code with elevated system privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2020-1337)
- An information disclosure vulnerability exists when the Windows Image Acquisition (WIA) Service improperly discloses contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2020-1474, CVE-2020-1485)
- An elevation of privilege vulnerability exists when the Windows Ancillary Function Driver for WinSock improperly handles memory. (CVE-2020-1587)
- A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2020-1473, CVE-2020-1557, CVE-2020-1558, CVE-2020-1564)
- A remote code execution vulnerability exists when Microsoft .NET Framework processes input. An attacker who successfully exploited this vulnerability could take control of an affected system. (CVE-2020-1046)
- A remote code execution vulnerability exists in the way that the MSHTML engine improperly validates input. An attacker could execute arbitrary code in the context of the current user. (CVE-2020-1567)
- An elevation of privilege vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2020-1529)
- A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2020-1380, CVE-2020-1570)
- An elevation of privilege vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in access to system files. (CVE-2020-1488)
- An elevation of privilege vulnerability exists when the Windows Function Discovery SSDP Provider improperly handles memory. (CVE-2020-1579)
- An elevation of privilege vulnerability exists when ASP.NET or .NET web applications running on IIS improperly allow access to cached files. An attacker who successfully exploited this vulnerability could gain access to restricted files. (CVE-2020-1476)
- An elevation of privilege vulnerability exists when Windows Remote Access improperly handles memory. (CVE-2020-1530)
- A remote code execution vulnerability exists in the way that Microsoft Graphics Components handle objects in memory. An attacker who successfully exploited the vulnerability could execute arbitrary code on a target system. (CVE-2020-1562)
- A spoofing vulnerability exists when Windows incorrectly validates file signatures. An attacker who successfully exploited this vulnerability could bypass security features and load improperly signed files. In an attack scenario, an attacker could bypass security features intended to prevent improperly signed files from being loaded. The update addresses the vulnerability by correcting how Windows validates file signatures. (CVE-2020-1464)
Solution
Apply Security Only update KB4571702 or Cumulative Update KB4571736.
Public Exploits
Target Network Port(s): 139, 445
Target Asset(s): Host/patch_management_checks
Exploit Available: True (Metasploit Framework, Exploit-DB, GitHub)
Exploit Ease: Exploits are available
Here's the list of publicly known exploits and PoCs for verifying the KB4571702: Windows Server 2012 August 2020 Security Update vulnerability:
- Metasploit: exploit/windows/local/cve_2020_1048_printerdemon
[Microsoft Spooler Local Privilege Elevation Vulnerability] - Metasploit: exploit/windows/local/cve_2020_1337_printerdemon
[Microsoft Spooler Local Privilege Elevation Vulnerability] - Metasploit: auxiliary/admin/dcerpc/cve_2020_1472_zerologon
[Netlogon Weak Cryptographic Authentication] - Exploit-DB: exploits/windows/remote/49071.py
[EDB-49071: ZeroLogon - Netlogon Elevation of Privilege] - GitHub: https://github.com/Al1ex/WindowsElevation
[CVE-2020-1337] - GitHub: https://github.com/Ascotbe/Kernelhub
[CVE-2020-1337] - GitHub: https://github.com/Mr-xn/Penetration_Testing_POC
[CVE-2020-1337] - GitHub: https://github.com/SafeBreach-Labs/Spooler
[CVE-2020-1337] - GitHub: https://github.com/bhassani/Recent-CVE
[CVE-2020-1337] - GitHub: https://github.com/password520/cve-2020-1337-poc
[CVE-2020-1337] - GitHub: https://github.com/ycdxsb/WindowsPrivilegeEscalation
[CVE-2020-1337] - GitHub: https://github.com/zer0yu/Intranet_Penetration_CheetSheets
[CVE-2020-1337] - GitHub: https://github.com/punishell/WindowsLegacyCVE
[CVE-2020-1377] - GitHub: https://github.com/punishell/WindowsLegacyCVE
[CVE-2020-1378] - GitHub: https://github.com/SexyBeast233/SecBooks
[CVE-2020-1380] - GitHub: https://github.com/ijatrom/searchcve
[CVE-2020-1467] - GitHub: https://github.com/0x727/usefull-elevation-of-privilege
[CVE-2020-1472] - GitHub: https://github.com/0xsyr0/OSCP
[CVE-2020-1472] - GitHub: https://github.com/61106960/adPEAS
[CVE-2020-1472] - GitHub: https://github.com/Anonymous-Family/CVE-2020-1472
[CVE-2020-1472: Test tool for CVE-2020-1472] - GitHub: https://github.com/Anonymous-Family/Zero-day-scanning
[CVE-2020-1472: Zero-day-scanning is a Domain Controller vulnerability scanner, that currently ...] - GitHub: https://github.com/Ascotbe/Kernelhub
[CVE-2020-1472] - GitHub: https://github.com/Astrogeorgeonethree/Starred
[CVE-2020-1472] - GitHub: https://github.com/BC-SECURITY/Invoke-ZeroLogon
[CVE-2020-1472] - GitHub: https://github.com/CasperGN/ActiveDirectoryEnumeration
[CVE-2020-1472] - GitHub: https://github.com/DNTYO/F5_Vulnerability
[CVE-2020-1472] - GitHub: https://github.com/ErdemOzgen/ActiveDirectoryAttacks
[CVE-2020-1472] - GitHub: https://github.com/EvilAnne/2020-Read-article
[CVE-2020-1472] - GitHub: https://github.com/Exploitspacks/CVE-2020-1472
[CVE-2020-1472: Fancy Zerologon Beta] - GitHub: https://github.com/Fa1c0n35/CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/Fa1c0n35/CVE-2020-1472-02-
[CVE-2020-1472] - GitHub: https://github.com/Fa1c0n35/SecuraBV-CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/Flangvik/SharpCollection
[CVE-2020-1472] - GitHub: https://github.com/H0j3n/EzpzCheatSheet
[CVE-2020-1472] - GitHub: https://github.com/JayP232/The_big_Zero
[CVE-2020-1472: The following is the outcome of playing with CVE-2020-1472 and attempting to ...] - GitHub: https://github.com/Jean-Francois-C/Windows-Penetration-Testing
[CVE-2020-1472] - GitHub: https://github.com/Kecatoca/Zerologon_Poc
[CVE-2020-1472] - GitHub: https://github.com/Kecatoca/Zerologon_test
[CVE-2020-1472] - GitHub: https://github.com/Ken-Abruzzi/cve-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/LuemmelSec/Pentest-Tools-Collection
[CVE-2020-1472] - GitHub: https://github.com/Mathankumar2701/ALL-PENTESTING-BIBLE
[CVE-2020-1472] - GitHub: https://github.com/Mikasazero/Cobalt-Strike
[CVE-2020-1472] - GitHub: https://github.com/Mr-xn/Penetration_Testing_POC
[CVE-2020-1472] - GitHub: https://github.com/Nekoox/zerologon
[CVE-2020-1472: Set of scripts, to test and exploit the zerologon vulnerability (CVE-2020-1472).] - GitHub: https://github.com/Ondrik8/extra
[CVE-2020-1472] - GitHub: https://github.com/Qazeer/OffensivePythonPipeline
[CVE-2020-1472] - GitHub: https://github.com/Qazeer/dirkjanm_CVE-2020-1472_static_binaries
[CVE-2020-1472: Static standalone binaries for Windows and Linux (both x64) of dirkjanm's ...] - GitHub: https://github.com/R0B1NL1N/CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/RyanNgCT/EH-Assignment
[CVE-2020-1472] - GitHub: https://github.com/S3cur3Th1sSh1t/WinPwn
[CVE-2020-1472] - GitHub: https://github.com/SaharAttackit/CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/Sajuwithgithub/CVE2020-1472
[CVE-2020-1472: Snort rule for CVE 2020-1472 Detection] - GitHub: https://github.com/SexyBeast233/SecBooks
[CVE-2020-1472] - GitHub: https://github.com/Spacial/awesome-csirt
[CVE-2020-1472] - GitHub: https://github.com/Spacial/awesome-systools
[CVE-2020-1472] - GitHub: https://github.com/Tengrom/Python_nmap
[CVE-2020-1472] - GitHub: https://github.com/TheJoyOfHacking/SecuraBV-CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/TheJoyOfHacking/dirkjanm-CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/Thomashighbaugh/stars
[CVE-2020-1472] - GitHub: https://github.com/Tobey123/CVE-2020-1472-visualizer
[CVE-2020-1472] - GitHub: https://github.com/Udyz/Zerologon
[CVE-2020-1472: Exploit Code for CVE-2020-1472 aka Zerologon] - GitHub: https://github.com/WillOram/ADReset
[CVE-2020-1472] - GitHub: https://github.com/YangSirrr/YangsirStudyPlan
[CVE-2020-1472] - GitHub: https://github.com/YossiSassi/hAcKtive-Directory-Forensics
[CVE-2020-1472] - GitHub: https://github.com/aRustyDev/C844
[CVE-2020-1472] - GitHub: https://github.com/alexverboon/MDATP
[CVE-2020-1472] - GitHub: https://github.com/b1ack0wl/CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/b4rtik/SharpKatz
[CVE-2020-1472] - GitHub: https://github.com/bhassani/Recent-CVE
[CVE-2020-1472] - GitHub: https://github.com/bhdresh/SnortRules
[CVE-2020-1472] - GitHub: https://github.com/boh/RedCsharp
[CVE-2020-1472] - GitHub: https://github.com/bollwarm/SecToolSet
[CVE-2020-1472] - GitHub: https://github.com/cihatyildiz/Kenna-Automation
[CVE-2020-1472] - GitHub: https://github.com/corelight/zerologon
[CVE-2020-1472] - GitHub: https://github.com/cube0x0/CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/hectorgie/CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/hell-moon/ZeroLogon-Exploit
[CVE-2020-1472: Modified the test PoC from Secura, CVE-2020-1472, to change the machine password to ...] - GitHub: https://github.com/hunter32me/2020-1472
[CVE-2020-1472] - GitHub: https://github.com/iamrajivd/pentest
[CVE-2020-1472] - GitHub: https://github.com/ihebski/A-Red-Teamer-diaries
[CVE-2020-1472] - GitHub: https://github.com/ijatrom/searchcve
[CVE-2020-1472] - GitHub: https://github.com/infosecn1nja/AD-Attack-Defense
[CVE-2020-1472] - GitHub: https://github.com/itssmikefm/CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/izj007/wechat
[CVE-2020-1472] - GitHub: https://github.com/johnpathe/zerologon-cve-2020-1472-notes
[CVE-2020-1472] - GitHub: https://github.com/lawrenceamer/0xsp-Mongoose
[CVE-2020-1472] - GitHub: https://github.com/mingchen-script/CVE-2020-1472-visualizer
[CVE-2020-1472] - GitHub: https://github.com/mishmashclone/Flangvik-SharpCollection
[CVE-2020-1472] - GitHub: https://github.com/mishmashclone/infosecn1nja-AD-Attack-Defense
[CVE-2020-1472] - GitHub: https://github.com/mos165/CVE-20200-1472
[CVE-2020-1472] - GitHub: https://github.com/mtthwstffrd/SecuraBV-CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/mtthwstffrd/dirkjanm-CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/ommadawn46/CFB8-Zero-IV-Attack
[CVE-2020-1472] - GitHub: https://github.com/penetrarnya-tm/WeaponizeKali.sh
[CVE-2020-1472] - GitHub: https://github.com/preempt/ntlm-scanner
[CVE-2020-1472] - GitHub: https://github.com/puckiestyle/CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/pwninx/WinPwn
[CVE-2020-1472] - GitHub: https://github.com/r0eXpeR/supplier
[CVE-2020-1472] - GitHub: https://github.com/rth0pper/zerologon
[CVE-2020-1472] - GitHub: https://github.com/s0wr0b1ndef/CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/shanfenglan/cve-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/sinfulz/JustGetDA
[CVE-2020-1472] - GitHub: https://github.com/spiegel-im-spiegel/go-cvss
[CVE-2020-1472] - GitHub: https://github.com/stanfrbd/searchcve
[CVE-2020-1472] - GitHub: https://github.com/striveben/CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/t31m0/CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/t31m0/Zero
[CVE-2020-1472] - GitHub: https://github.com/technion/ZeroLogonAssess
[CVE-2020-1472: Patch and enforcement key assessment for CVE 2020-1472] - GitHub: https://github.com/thatonesecguy/zerologon-CVE-2020-1472
[CVE-2020-1472: PoC for Zerologon (CVE-2020-1472) - Exploit] - GitHub: https://github.com/tonypurdy/Vulnerabilities
[CVE-2020-1472] - GitHub: https://github.com/victim10wq3/CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/zer010bs/zeroscan
[CVE-2020-1472] - GitHub: https://github.com/gitaramos/links
[CVE-2020-1488] - GitHub: https://github.com/punishell/WindowsLegacyCVE
[CVE-2020-1509] - GitHub: https://github.com/math1as/CVE-2020-1337-exploit
[CVE-2020-1337: CVE-2020-1337 Windows Print Spooler Privilege Escalation] - GitHub: https://github.com/neofito/CVE-2020-1337
[CVE-2020-1337: CVE-2020-1048 bypass: binary planting PoC] - GitHub: https://github.com/VoidSec/CVE-2020-1337
[CVE-2020-1337: CVE-2020-1337 a bypass of (PrintDemon) CVE-2020-1048’s patch] - GitHub: https://github.com/0xkami/CVE-2020-1472
[CVE-2020-1472: CVE-2020-1472漏洞复现过程] - GitHub: https://github.com/422926799/CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/bb00/zer0dump
[CVE-2020-1472: Abuse CVE-2020-1472 (Zerologon) to take over a domain and then repair the local ...] - GitHub: https://github.com/CanciuCostin/CVE-2020-1472
[CVE-2020-1472: CVE-2020-1472 - Zero Logon vulnerability Python implementation] - GitHub: https://github.com/CPO-EH/CVE-2020-1472_ZeroLogonChecker
[CVE-2020-1472: C# Vulnerability Checker for CVE-2020-1472 Aka Zerologon] - GitHub: https://github.com/grupooruss/CVE-2020-1472
[CVE-2020-1472: CVE 2020-1472 Script de validación] - GitHub: https://github.com/harshil-shah004/zerologon-CVE-2020-1472
[CVE-2020-1472: PoC for Zerologon (CVE-2020-1472) - Exploit] - GitHub: https://github.com/k8gege/CVE-2020-1472-EXP
[CVE-2020-1472: Ladon Moudle CVE-2020-1472 Exploit 域控提权神器] - GitHub: https://github.com/maikelnight/zerologon
[CVE-2020-1472: Check for events that indicate non compatible devices -> CVE-2020-1472] - GitHub: https://github.com/midpipps/CVE-2020-1472-Easy
[CVE-2020-1472: A simple implementation/code smash of a bunch of other repos] - GitHub: https://github.com/murataydemir/CVE-2020-1472
[CVE-2020-1472: [CVE-2020-1472] Netlogon Remote Protocol Call (MS-NRPC) Privilege Escalation ...] - GitHub: https://github.com/NAXG/CVE-2020-1472
[CVE-2020-1472: CVE-2020-1472复现流程] - GitHub: https://github.com/rhymeswithmogul/Set-ZerologonMitigation
[CVE-2020-1472: Protect your domain controllers against Zerologon (CVE-2020-1472).] - GitHub: https://github.com/risksense/zerologon
[CVE-2020-1472: Exploit for zerologon cve-2020-1472] - GitHub: https://github.com/scv-m/zabbix-template-CVE-2020-1472
[CVE-2020-1472: Zabbix Template to monitor for Windows Event Viewer event's related to Netlogon ...] - GitHub: https://github.com/SecuraBV/CVE-2020-1472
[CVE-2020-1472: Test tool for CVE-2020-1472] - GitHub: https://github.com/sv3nbeast/CVE-2020-1472
[CVE-2020-1472: CVE-2020-1472复现时使用的py文件整理打包] - GitHub: https://github.com/VoidSec/CVE-2020-1472
[CVE-2020-1472: Exploit Code for CVE-2020-1472 aka Zerologon] - GitHub: https://github.com/Whippet0/CVE-2020-1472
[CVE-2020-1472] - GitHub: https://github.com/WiIs0n/Zerologon_CVE-2020-1472
[CVE-2020-1472: POC for checking multiple hosts for Zerologon vulnerability] - GitHub: https://github.com/wrathfulDiety/zerologon
[CVE-2020-1472: Zerologon script to exploit CVE-2020-1472 CVSS 10/10] - GitHub: https://github.com/zeronetworks/zerologon
[CVE-2020-1472: Test script for CVE-2020-1472 for both RPC/TCP and RPC/SMB] - GitHub: https://github.com/sailay1996/cve-2020-1337-poc
[CVE-2020-1337: Poc for CVE-2020-1337 (Windows Print Spooler Elevation of Privilege)] - GitHub: https://github.com/0xcccc666/cve-2020-1472_Tool-collection
[CVE-2020-1472: Cve-2020-1472_Tool collection] - GitHub: https://github.com/dirkjanm/CVE-2020-1472
[CVE-2020-1472: PoC for Zerologon - all research credits go to Tom Tervoort of Secura] - GitHub: https://github.com/mstxq17/cve-2020-1472
[CVE-2020-1472: Cve-2020-1472 复现利用及其exp] - GitHub: https://github.com/NickSanzotta/zeroscan
[CVE-2020-1472: Zeroscan is a Domain Controller vulnerability scanner, that currently includes ...] - GitHub: https://github.com/npocmak/CVE-2020-1472
[CVE-2020-1472: https://github.com/dirkjanm/CVE-2020-1472] - GitHub: https://github.com/Privia-Security/ADZero
[CVE-2020-1472: Zerologon AutoExploit Tool | CVE-2020-1472] - GitHub: https://github.com/YossiSassi/ZeroLogon-Exploitation-Check
[CVE-2020-1472: Quick'n'dirty automated checks for potential exploitation of CVE-2020-1472 (aka ...] - GitHub: https://github.com/sho-luv/zerologon
[CVE-2020-1472: Zerologon Check and Exploit - Discovered by Tom Tervoort of Secura and expanded on ...]
Before running any exploit against any system, make sure you are authorized by the owner of the target system(s) to perform such activity. In any other case, this would be considered as an illegal activity.
WARNING: Beware of using unverified exploits from sources such as GitHub or Exploit-DB. These exploits and PoCs could contain malware. For more information, see how to use exploits safely.
Risk Information
CVSS Score Source [?]: CVE-2020-1564
CVSS V2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C/E:H/RL:OF/RC:C
CVSS Base Score: | 9.3 (High) |
Impact Subscore: | 10.0 |
Exploitability Subscore: | 8.6 |
CVSS Temporal Score: | 8.1 (High) |
CVSS Environmental Score: | NA (None) |
Modified Impact Subscore: | NA |
Overall CVSS Score: | 8.1 (High) |
CVSS Base Score: | 7.8 (High) |
Impact Subscore: | 5.9 |
Exploitability Subscore: | 1.8 |
CVSS Temporal Score: | 7.5 (High) |
CVSS Environmental Score: | NA (None) |
Modified Impact Subscore: | NA |
Overall CVSS Score: | 7.5 (High) |
STIG Risk Rating: High
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Plugin Source
This is the smb_nt_ms20_aug_4571736.nasl nessus plugin source code. This script is Copyright (C) 2020-2022 and is owned by Tenable, Inc. or an Affiliate thereof.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from the Microsoft Security Updates API. The text
# itself is copyright (C) Microsoft Corporation.
#
include('compat.inc');
if (description)
{
script_id(139493);
script_version("1.18");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/02/25");
script_cve_id(
"CVE-2020-1046",
"CVE-2020-1337",
"CVE-2020-1339",
"CVE-2020-1377",
"CVE-2020-1378",
"CVE-2020-1379",
"CVE-2020-1380",
"CVE-2020-1383",
"CVE-2020-1464",
"CVE-2020-1466",
"CVE-2020-1467",
"CVE-2020-1472",
"CVE-2020-1473",
"CVE-2020-1474",
"CVE-2020-1475",
"CVE-2020-1476",
"CVE-2020-1477",
"CVE-2020-1478",
"CVE-2020-1485",
"CVE-2020-1486",
"CVE-2020-1488",
"CVE-2020-1489",
"CVE-2020-1509",
"CVE-2020-1513",
"CVE-2020-1515",
"CVE-2020-1517",
"CVE-2020-1518",
"CVE-2020-1519",
"CVE-2020-1520",
"CVE-2020-1529",
"CVE-2020-1530",
"CVE-2020-1537",
"CVE-2020-1538",
"CVE-2020-1554",
"CVE-2020-1557",
"CVE-2020-1558",
"CVE-2020-1562",
"CVE-2020-1564",
"CVE-2020-1565",
"CVE-2020-1567",
"CVE-2020-1570",
"CVE-2020-1577",
"CVE-2020-1579",
"CVE-2020-1584",
"CVE-2020-1587"
);
script_xref(name:"IAVA", value:"0001-A-0647");
script_xref(name:"IAVA", value:"2020-A-0367-S");
script_xref(name:"IAVA", value:"2020-A-0438-S");
script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2020/09/21");
script_xref(name:"IAVA", value:"2021-A-0429-S");
script_xref(name:"IAVA", value:"2021-A-0431-S");
script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/05/03");
script_xref(name:"MSKB", value:"4571702");
script_xref(name:"MSKB", value:"4571736");
script_xref(name:"MSFT", value:"MS20-4571702");
script_xref(name:"MSFT", value:"MS20-4571736");
script_xref(name:"CISA-NCAS", value:"AA22-011A");
script_name(english:"KB4571702: Windows Server 2012 August 2020 Security Update");
script_set_attribute(attribute:"synopsis", value:
"The remote Windows host is affected by multiple vulnerabilities.");
script_set_attribute(attribute:"description", value:
"The remote Windows host is missing security update 4571702
or cumulative update 4571736. It is, therefore, affected by
multiple vulnerabilities :
- A remote code execution vulnerability exists when
Windows Media Audio Codec improperly handles objects. An
attacker who successfully exploited the vulnerability
could take control of an affected system. There are
multiple ways an attacker could exploit the
vulnerability, such as by convincing a user to open a
specially crafted document, or by convincing a user to
visit a malicious webpage. The security update addresses
the vulnerability by correcting how Windows Media Audio
Codec handles objects. (CVE-2020-1339)
- An elevation of privilege vulnerability exists in the
way that the srmsvc.dll handles objects in memory. An
attacker who successfully exploited the vulnerability
could execute code with elevated permissions.
(CVE-2020-1475)
- An information disclosure vulnerability exists when
DirectWrite improperly discloses the contents of its
memory. An attacker who successfully exploited the
vulnerability could obtain information to further
compromise the users system. There are multiple ways an
attacker could exploit the vulnerability, such as by
convincing a user to open a specially crafted document,
or by convincing a user to visit an untrusted webpage.
The security update addresses the vulnerability by
correcting how DirectWrite handles objects in memory.
(CVE-2020-1577)
- An information disclosure vulnerability exists in RPC if
the server has Routing and Remote Access enabled. An
attacker who successfully exploited this vulnerability
could obtain information to further compromise the users
system (CVE-2020-1383)
- A memory corruption vulnerability exists when Windows
Media Foundation improperly handles objects in memory.
An attacker who successfully exploited the vulnerability
could install programs; view, change, or delete data; or
create new accounts with full user rights. There are
multiple ways an attacker could exploit the
vulnerability, such as by convincing a user to open a
specially crafted document, or by convincing a user to
visit a malicious webpage. The security update addresses
the vulnerability by correcting how Windows Media
Foundation handles objects in memory. (CVE-2020-1379,
CVE-2020-1477, CVE-2020-1478, CVE-2020-1554)
- An elevation of privilege vulnerability exists when the
Windows kernel fails to properly handle objects in
memory. An attacker who successfully exploited this
vulnerability could run arbitrary code in kernel mode.
An attacker could then install programs; view, change,
or delete data; or create new accounts with full user
rights. (CVE-2020-1486)
- An elevation of privilege vulnerability exists when the
Windows CSC Service improperly handles memory.
(CVE-2020-1489, CVE-2020-1513)
- An elevation of privilege vulnerability exists when
Windows improperly handles hard links. An attacker who
successfully exploited this vulnerability could
overwrite a targeted file leading to an elevated status.
(CVE-2020-1467)
- A denial of service vulnerability exists in Windows
Remote Desktop Gateway (RD Gateway) when an attacker
connects to the target system using RDP and sends
specially crafted requests. An attacker who successfully
exploited this vulnerability could cause the RD Gateway
service on the target system to stop responding.
(CVE-2020-1466)
- An elevation of privilege vulnerability exists in the
Local Security Authority Subsystem Service (LSASS) when
an authenticated attacker sends a specially crafted
authentication request. A remote attacker who
successfully exploited this vulnerability could cause an
elevation of privilege on the target system's LSASS
service. The security update addresses the vulnerability
by changing the way that LSASS handles specially crafted
authentication requests. (CVE-2020-1509)
- A remote code execution vulnerability exists when the
Windows Font Driver Host improperly handles memory. An
attacker who successfully exploited the vulnerability
would gain execution on a victim system. The security
update addresses the vulnerability by correcting how the
Windows Font Driver Host handles memory. (CVE-2020-1520)
- An elevation of privilege vulnerability exists when the
Windows UPnP Device Host improperly handles memory.
(CVE-2020-1519, CVE-2020-1538)
- An elevation of privilege vulnerability exists when the
Windows Telephony Server improperly handles memory.
(CVE-2020-1515)
- An elevation of privilege vulnerability exists when the
Windows File Server Resource Management Service
improperly handles memory. (CVE-2020-1517,
CVE-2020-1518)
- An elevation of privilege vulnerability exists in the
way that the dnsrslvr.dll handles objects in memory. An
attacker who successfully exploited the vulnerability
could execute code with elevated permissions.
(CVE-2020-1584)
- An elevation of privilege vulnerability exists when the
"Public Account Pictures" folder improperly
handles junctions. (CVE-2020-1565)
- An elevation of privilege vulnerability exists when the
Windows Remote Access improperly handles file
operations. An attacker who successfully exploited this
vulnerability could gain elevated privileges.
(CVE-2020-1537)
- An elevation of privilege vulnerability exists when an
attacker establishes a vulnerable Netlogon secure
channel connection to a domain controller, using the
Netlogon Remote Protocol (MS-NRPC). An attacker who
successfully exploited the vulnerability could run a
specially crafted application on a device on the
network. (CVE-2020-1472)
- An elevation of privilege vulnerability exists when the
Windows Kernel API improperly handles registry objects
in memory. An attacker who successfully exploited the
vulnerability could gain elevated privileges on a
targeted system. A locally authenticated attacker could
exploit this vulnerability by running a specially
crafted application. The security update addresses the
vulnerability by helping to ensure that the Windows
Kernel API properly handles objects in memory.
(CVE-2020-1377, CVE-2020-1378)
- An elevation of privilege vulnerability exists when the
Windows Print Spooler service improperly allows
arbitrary writing to the file system. An attacker who
successfully exploited this vulnerability could run
arbitrary code with elevated system privileges. An
attacker could then install programs; view, change, or
delete data; or create new accounts with full user
rights. (CVE-2020-1337)
- An information disclosure vulnerability exists when the
Windows Image Acquisition (WIA) Service improperly
discloses contents of its memory. An attacker who
successfully exploited the vulnerability could obtain
information to further compromise the users system.
(CVE-2020-1474, CVE-2020-1485)
- An elevation of privilege vulnerability exists when the
Windows Ancillary Function Driver for WinSock improperly
handles memory. (CVE-2020-1587)
- A remote code execution vulnerability exists when the
Windows Jet Database Engine improperly handles objects
in memory. An attacker who successfully exploited this
vulnerability could execute arbitrary code on a victim
system. An attacker could exploit this vulnerability by
enticing a victim to open a specially crafted file. The
update addresses the vulnerability by correcting the way
the Windows Jet Database Engine handles objects in
memory. (CVE-2020-1473, CVE-2020-1557, CVE-2020-1558,
CVE-2020-1564)
- A remote code execution vulnerability exists when
Microsoft .NET Framework processes input. An attacker
who successfully exploited this vulnerability could take
control of an affected system. (CVE-2020-1046)
- A remote code execution vulnerability exists in the way
that the MSHTML engine improperly validates input. An
attacker could execute arbitrary code in the context of
the current user. (CVE-2020-1567)
- An elevation of privilege vulnerability exists in the
way that the Windows Graphics Device Interface (GDI)
handles objects in memory. An attacker who successfully
exploited this vulnerability could run arbitrary code in
kernel mode. An attacker could then install programs;
view, change, or delete data; or create new accounts
with full user rights. (CVE-2020-1529)
- A remote code execution vulnerability exists in the way
that the scripting engine handles objects in memory in
Internet Explorer. The vulnerability could corrupt
memory in such a way that an attacker could execute
arbitrary code in the context of the current user. An
attacker who successfully exploited the vulnerability
could gain the same user rights as the current user.
(CVE-2020-1380, CVE-2020-1570)
- An elevation of privilege vulnerability exists when the
Windows AppX Deployment Extensions improperly performs
privilege management, resulting in access to system
files. (CVE-2020-1488)
- An elevation of privilege vulnerability exists when the
Windows Function Discovery SSDP Provider improperly
handles memory. (CVE-2020-1579)
- An elevation of privilege vulnerability exists when
ASP.NET or .NET web applications running on IIS
improperly allow access to cached files. An attacker who
successfully exploited this vulnerability could gain
access to restricted files. (CVE-2020-1476)
- An elevation of privilege vulnerability exists when
Windows Remote Access improperly handles memory.
(CVE-2020-1530)
- A remote code execution vulnerability exists in the way
that Microsoft Graphics Components handle objects in
memory. An attacker who successfully exploited the
vulnerability could execute arbitrary code on a target
system. (CVE-2020-1562)
- A spoofing vulnerability exists when Windows incorrectly
validates file signatures. An attacker who successfully
exploited this vulnerability could bypass security
features and load improperly signed files. In an attack
scenario, an attacker could bypass security features
intended to prevent improperly signed files from being
loaded. The update addresses the vulnerability by
correcting how Windows validates file signatures.
(CVE-2020-1464)");
# https://support.microsoft.com/en-us/help/4571736/windows-server-2012-update
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?a0551e21");
# https://support.microsoft.com/en-us/help/4571702/windows-server-2012-update
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?1ece3db7");
script_set_attribute(attribute:"solution", value:
"Apply Security Only update KB4571702 or Cumulative Update KB4571736.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-1564");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"exploited_by_malware", value:"true");
script_set_attribute(attribute:"metasploit_name", value:'Microsoft Spooler Local Privilege Elevation Vulnerability');
script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/08/11");
script_set_attribute(attribute:"patch_publication_date", value:"2020/08/11");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/08/11");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows");
script_set_attribute(attribute:"stig_severity", value:"I");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows : Microsoft Bulletins");
script_copyright(english:"This script is Copyright (C) 2020-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("smb_check_rollup.nasl", "smb_hotfixes.nasl", "ms_bulletin_checks_possible.nasl");
script_require_keys("SMB/MS_Bulletin_Checks/Possible");
script_require_ports(139, 445, "Host/patch_management_checks");
exit(0);
}
include('smb_func.inc');
include('smb_hotfixes.inc');
include('smb_hotfixes_fcheck.inc');
include('smb_reg_query.inc');
include('install_func.inc');
get_kb_item_or_exit('SMB/MS_Bulletin_Checks/Possible');
bulletin = 'MS20-08';
kbs = make_list(
'4571736',
'4571702'
);
if (get_kb_item('Host/patch_management_checks')) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_HOLE);
get_kb_item_or_exit('SMB/Registry/Enumerated');
get_kb_item_or_exit('SMB/WindowsVersion', exit_code:1);
if (hotfix_check_sp_range(win8:'0') <= 0) audit(AUDIT_OS_SP_NOT_VULN);
# Windows 8 EOL
productname = get_kb_item_or_exit("SMB/ProductName", exit_code:1);
if ("Windows 8" >< productname) audit(AUDIT_OS_SP_NOT_VULN);
share = hotfix_get_systemdrive(as_share:TRUE, exit_on_fail:TRUE);
if (!is_accessible_share(share:share)) audit(AUDIT_SHARE_FAIL, share);
if (
smb_check_rollup(os:'6.2',
sp:0,
rollup_date:'08_2020',
bulletin:bulletin,
rollup_kb_list:[4571736, 4571702])
)
{
replace_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE);
hotfix_security_hole();
hotfix_check_fversion_end();
exit(0);
}
else
{
hotfix_check_fversion_end();
audit(AUDIT_HOST_NOT, hotfix_get_audit_report());
}
The latest version of this script can be found in these locations depending on your platform:
- Linux / Unix:
/opt/nessus/lib/nessus/plugins/smb_nt_ms20_aug_4571736.nasl
- Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\smb_nt_ms20_aug_4571736.nasl
- Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/smb_nt_ms20_aug_4571736.nasl
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How to Run
Here is how to run the KB4571702: Windows Server 2012 August 2020 Security Update as a standalone plugin via the Nessus web user interface (https://localhost:8834/):
- Click to start a New Scan.
- Select Advanced Scan.
- Navigate to the Plugins tab.
- On the top right corner click to Disable All plugins.
- On the left side table select Windows : Microsoft Bulletins plugin family.
- On the right side table select KB4571702: Windows Server 2012 August 2020 Security Update plugin ID 139493.
- Specify the target on the Settings tab and click to Save the scan.
- Run the scan.
Here are a few examples of how to run the plugin in the command line. Note that the examples below demonstrate the usage on the Linux / Unix platform.
Basic usage:
/opt/nessus/bin/nasl smb_nt_ms20_aug_4571736.nasl -t <IP/HOST>
Run the plugin with audit trail message on the console:
/opt/nessus/bin/nasl -a smb_nt_ms20_aug_4571736.nasl -t <IP/HOST>
Run the plugin with trace script execution written to the console (useful for debugging):
/opt/nessus/bin/nasl -T - smb_nt_ms20_aug_4571736.nasl -t <IP/HOST>
Run the plugin with using a state file for the target and updating it (useful for running multiple plugins on the target):
/opt/nessus/bin/nasl -K /tmp/state smb_nt_ms20_aug_4571736.nasl -t <IP/HOST>
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References
MSKB | Microsoft Knowledge Base: MSFT | Microsoft Security Bulletin:
- MS20-4571702, MS20-4571736
- 0001-A-0647, 2020-A-0367-S, 2020-A-0438-S, 2021-A-0429-S, 2021-A-0431-S
- https://www.tenable.com/plugins/nessus/139493
- http://www.nessus.org/u?1ece3db7
- http://www.nessus.org/u?a0551e21
- https://vulners.com/nessus/SMB_NT_MS20_AUG_4571736.NASL
- 139484 - KB4565349: Windows 10 Version 1809 and Windows Server 2019 August 2020 Security Update
- 139485 - KB4565351: Windows 10 Version 1903 and Windows 10 Version 1909 August 2020 Security Update
- 139486 - KB4566782: Windows 10 Version 2004 August 2020 Security Update
- 139487 - KB4571692: Windows 10 August 2020 Security Update
- 139488 - KB4571694: Windows 10 Version 1607 and Windows Server 2016 August 2020 Security Update
- 139489 - KB4571723: Windows 8.1 and Windows Server 2012 R2 August 2020 Security Update
- 139490 - KB4571709: Windows 10 Version 1803 August 2020 Security Update
- 139491 - KB4571719: Windows 7 and Windows Server 2008 R2 August 2020 Security Update
- 139492 - KB4571746: Windows Server 2008 August 2020 Security Update
- 139494 - KB4571741: Windows 10 Version 1709 August 2020 Security Update
- 139498 - Security Updates for Internet Explorer (August 2020)
- 140640 - Ubuntu 16.04 LTS / 18.04 LTS : Samba vulnerability (USN-4510-1)
- 140657 - Microsoft Netlogon Elevation of Privilege (Zerologon) (Remote)
- 140677 - FreeBSD : samba -- Unauthenticated domain takeover via netlogon (24ace516-fad7-11ea-8d8c-005056a311d1)
- 140760 - Fedora 32 : 2:samba (2020-0be2776ed3)
- 140797 - openSUSE Security Update : samba (openSUSE-2020-1513)
- 141072 - openSUSE Security Update : samba (openSUSE-2020-1526)
- 141112 - Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Samba update (USN-4559-1)
- 141144 - Fedora 31 : 2:samba (2020-a1d139381a)
- 141273 - Fedora 33 : 2:samba (2020-77c15664b0)
- 141328 - EulerOS 2.0 SP9 : samba (EulerOS-SA-2020-2171)
- 141331 - EulerOS 2.0 SP9 : samba (EulerOS-SA-2020-2181)
- 142110 - EulerOS 2.0 SP5 : samba (EulerOS-SA-2020-2299)
- 142333 - EulerOS 2.0 SP2 : samba (EulerOS-SA-2020-2396)
- 143186 - Debian DLA-2463-1 : samba security update
- 143641 - SUSE SLES15 Security Update : samba (SUSE-SU-2020:2719-1)
Version
This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file smb_nt_ms20_aug_4571736.nasl version 1.18. For more plugins, visit the Nessus Plugin Library.
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