MS09-050: Microsoft Windows SMB2 _Smb2ValidateProviderCallback() Vulnerability (975497) (EDUCATEDSCHOLAR) (uncredentialed check) - Nessus

Critical Plugin ID: 40887

This page contains detailed information about the MS09-050: Microsoft Windows SMB2 _Smb2ValidateProviderCallback() Vulnerability (975497) (EDUCATEDSCHOLAR) (uncredentialed check) Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

Table Of Contents

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Plugin Overview
Vulnerability Information

Synopsis
Description
Solution

Public Exploits
Risk Information
Plugin Source
How to Run
References
Version

Plugin Overview

ID: 40887
Name: MS09-050: Microsoft Windows SMB2 _Smb2ValidateProviderCallback() Vulnerability (975497) (EDUCATEDSCHOLAR) (uncredentialed check)
Filename: smb2_pid_high_vuln.nasl
Vulnerability Published: 2009-09-08
This Plugin Published: 2009-09-08
Last Modification Time: 2019-11-26
Plugin Version: 1.36
Plugin Type: remote
Plugin Family: Windows
Dependencies: None

Vulnerability Information

Severity: Critical
Vulnerability Published: 2009-09-08
Patch Published: 2009-10-13
CVE [?]: CVE-2009-2532, CVE-2009-3103
CPE [?]: cpe:/o:microsoft:windows
Exploited by Malware: True
In the News: True

Synopsis

Arbitrary code may be executed on the remote host through the SMB port

Description

The remote host is running a version of Microsoft Windows Vista or Windows Server 2008 that contains a vulnerability in its SMBv2 implementation. An attacker can exploit this flaw to disable the remote host or to execute arbitrary code on it.

EDUCATEDSCHOLAR is one of multiple Equation Group vulnerabilities and exploits disclosed on 2017/04/14 by a group known as the Shadow Brokers.

Solution

Microsoft has released a patch for Windows Vista and Windows Server 2008.

Public Exploits

Target Network Port(s): 139, 445
Target Asset(s): N/A
Exploit Available: True (Metasploit Framework, Exploit-DB, GitHub, Immunity Canvas, Core Impact)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the MS09-050: Microsoft Windows SMB2 _Smb2ValidateProviderCallback() Vulnerability (975497) (EDUCATEDSCHOLAR) (uncredentialed check) vulnerability:

Metasploit: exploit/windows/smb/ms09_050_smb2_negotiate_func_index
[MS09-050 Microsoft SRV2.SYS SMB Negotiate ProcessID Function Table Dereference]
Metasploit: auxiliary/dos/windows/smb/ms09_050_smb2_negotiate_pidhigh
[Microsoft SRV2.SYS SMB Negotiate ProcessID Function Table Dereference]
Metasploit: auxiliary/dos/windows/smb/ms09_050_smb2_session_logoff
[Microsoft SRV2.SYS SMB2 Logoff Remote Kernel NULL Pointer Dereference]
Exploit-DB: exploits/windows/dos/9594.txt
[EDB-9594: Microsoft Windows Vista/7 - SMB2.0 Negotiate Protocol Request Remote Blue Screen of Death (MS07-063)]
Exploit-DB: exploits/windows/dos/10005.py
[EDB-10005: Microsoft Windows 7/2008 R2 - Remote Kernel Crash]
Exploit-DB: exploits/windows/dos/12524.py
[EDB-12524: Microsoft Windows - SMB2 Negotiate Protocol '0x72' Response Denial of Service]
Exploit-DB: exploits/windows/remote/14674.txt
[EDB-14674: Microsoft Windows - 'srv2.sys' SMB Negotiate ProcessID Function Table Dereference (MS09-050)]
Exploit-DB: exploits/windows/remote/16363.rb
[EDB-16363: Microsoft Windows - 'srv2.sys' SMB Negotiate ProcessID Function Table Dereference (MS09-050) (Metasploit)]
GitHub: https://github.com/Al1ex/WindowsElevation
[CVE-2009-2532]
GitHub: https://github.com/Ascotbe/Kernelhub
[CVE-2009-2532]
GitHub: https://github.com/uroboros-security/SMB-CVE
[CVE-2009-2532]
GitHub: https://github.com/ycdxsb/WindowsPrivilegeEscalation
[CVE-2009-2532]
GitHub: https://github.com/ankh2054/python-exploits
[CVE-2009-3103]
GitHub: https://github.com/mazding/ms09050
[CVE-2009-3103: cve-2009-3103]
GitHub: https://github.com/notsag-dev/htb-blue
[CVE-2009-3103]
GitHub: https://github.com/rosonsec/Exploits
[CVE-2009-3103]
GitHub: https://github.com/uroboros-security/SMB-CVE
[CVE-2009-3103]
GitHub: https://github.com/offensive-security/exploitdb-bin-sploits/blob/master/bin-sploits/14674.zip
[EDB-14674]
GitHub: https://github.com/sooklalad/ms09050
[CVE-2009-3103: Cve-2009-3103]
Immunity Canvas: CANVAS

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-2009-3103
CVSS V2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C/E:H/RL:OF/RC:C

CVSS Base Score:	10.0 (High)
Impact Subscore:	10.0
Exploitability Subscore:	10.0
CVSS Temporal Score:	8.7 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	8.7 (High)

CVSS V3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CVSS Base Score:	9.8 (Critical)
Impact Subscore:	5.9
Exploitability Subscore:	3.9
CVSS Temporal Score:	9.4 (Critical)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	9.4 (Critical)

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Plugin Source

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(40887);
  script_version("1.36");
  script_cvs_date("Date: 2019/11/26");

  script_cve_id("CVE-2009-2532", "CVE-2009-3103");
  script_bugtraq_id(36299, 36594);
  script_xref(name:"MSFT", value:"MS09-050");
  script_xref(name:"CERT", value:"135940");
  script_xref(name:"EDB-ID", value:"9594");
  script_xref(name:"EDB-ID", value:"10005");
  script_xref(name:"EDB-ID", value:"12524");
  script_xref(name:"EDB-ID", value:"14674");
  script_xref(name:"EDB-ID", value:"16363");
  script_xref(name:"MSKB", value:"975497");

  script_name(english:"MS09-050: Microsoft Windows SMB2 _Smb2ValidateProviderCallback() Vulnerability (975497) (EDUCATEDSCHOLAR) (uncredentialed check)");
  script_summary(english:"Determines if the remote host is affected by a SMBv2 vulnerability");

  script_set_attribute(attribute:"synopsis", value:
"Arbitrary code may be executed on the remote host through the SMB
port");
  script_set_attribute(attribute:"description", value:
"The remote host is running a version of Microsoft Windows Vista or
Windows Server 2008 that contains a vulnerability in its SMBv2
implementation. An attacker can exploit this flaw to disable the
remote host or to execute arbitrary code on it.

EDUCATEDSCHOLAR is one of multiple Equation Group vulnerabilities and
exploits disclosed on 2017/04/14 by a group known as the Shadow
Brokers.");
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?0f72ec72");
  # https://docs.microsoft.com/en-us/security-updates/SecurityBulletins/2009/ms09-050
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?3e7748a1");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released a patch for Windows Vista and Windows Server
2008.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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:N/AC:L/PR:N/UI:N/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-2009-3103");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'MS09-050 Microsoft SRV2.SYS SMB Negotiate ProcessID Function Table Dereference');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
  script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
  script_set_attribute(attribute:"canvas_package", value:'CANVAS');
  script_cwe_id(94, 399);

  script_set_attribute(attribute:"vuln_publication_date", value:"2009/09/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2009/10/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2009/09/08");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows");
  script_set_attribute(attribute:"in_the_news", value:"true");
  script_end_attributes();

  script_category(ACT_ATTACK);
  script_family(english:"Windows");
  script_copyright(english:"This script is Copyright (C) 2009-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_require_ports(139, 445);
  exit(0);
}

#

include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("smb_func.inc");

port = 445;
if ( ! get_port_state(port) ) exit(0);
soc = open_sock_tcp(port);
if ( ! soc ) exit(0);
session_set_socket(socket:soc);


#---------------------------------------------------------#
# struct {                                                #
#   BYTE  Protocol[4];      # "\xFFSMB"                   #
#   BYTE  Command;                                        #
#   DWORD Status;           # Or BYTE ErrorClass;         #
#                           #    BYTE Reserved;           #
#                           #    WORD Error;              #
#   BYTE  Flags;                                          #
#   WORD  Flags2;                                         #
#   WORD  PidHigh;          			          #
#   BYTE  Signature[8];                                   #
#   WORD  Reserved;                                       #
#   WORD  Tid;              # Tree ID                     #
#   WORD  Pid;              # Process ID                  #
#   WORD  Uid;              # User ID                     #
#   WORD  Mid;              # Multiplex ID                #
# }                                                       #
#---------------------------------------------------------#


header = '\xFFSMB';
header += raw_byte(b:SMB_COM_NEGOTIATE);
header += nt_status(Status:STATUS_SUCCESS);
header += raw_byte (b:0x18);
header += raw_word (w:0xc853);
header += raw_word(w:0x0001); # Process ID high
header += raw_dword (d:session_get_sequencenumber()) + raw_dword (d:0);
header += raw_word (w:0);
header += raw_word (w:session_get_tid());
header += raw_word (w:session_get_pid());
header += raw_word (w:session_get_uid());
header += raw_word (w:session_get_mid());

parameters = smb_parameters(data:NULL);

ns = supported_protocol;

protocol[0] = "TENABLE_NETWORK_SECURITY";
data = NULL;
for (i = 0; i < ns; i++)
  data += raw_byte (b:0x02) + ascii (string:protocol[i]);
data = smb_data (data:data);


packet = netbios_packet (header:header, parameters:parameters, data:data);

r = smb_sendrecv(data:packet);
close(soc);

if ( !isnull(r) && "ORK_SECURITY" >< r )
{
  report = 'Sent:\n';
  report += ereg_replace(pattern:"([0-9a-f]{1,80})", replace:'\\1\n', string:hexstr(packet)) + '\n';
  report += 'Received:\n';
  report += ereg_replace(pattern:"([0-9a-f]{1,80})", replace:'\\1\n', string:hexstr(r));

  security_report_v4(port:port, severity:SECURITY_HOLE, extra:report);
}
else
  audit(AUDIT_RESP_BAD, port, 'the exploit request');

The latest version of this script can be found in these locations depending on your platform:

Linux / Unix:
/opt/nessus/lib/nessus/plugins/smb2_pid_high_vuln.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\smb2_pid_high_vuln.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/smb2_pid_high_vuln.nasl

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How to Run

Here is how to run the MS09-050: Microsoft Windows SMB2 _Smb2ValidateProviderCallback() Vulnerability (975497) (EDUCATEDSCHOLAR) (uncredentialed check) 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 plugin family.
On the right side table select MS09-050: Microsoft Windows SMB2 _Smb2ValidateProviderCallback() Vulnerability (975497) (EDUCATEDSCHOLAR) (uncredentialed check) plugin ID 40887.
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 smb2_pid_high_vuln.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a smb2_pid_high_vuln.nasl -t <IP/HOST>

Run the plugin with trace script execution written to the console (useful for debugging):

/opt/nessus/bin/nasl -T - smb2_pid_high_vuln.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 smb2_pid_high_vuln.nasl -t <IP/HOST>

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References

BID | SecurityFocus Bugtraq ID:

36299, 36594

MSKB | Microsoft Knowledge Base:

975497

MSFT | Microsoft Security Bulletin:

MS09-050

CERT | Computer Emergency Response Team:

135940

CWE | Common Weakness Enumeration:

CWE-94 (Weakness) Improper Control of Generation of Code ('Code Injection')
CWE-399 (Category) Resource Management Errors

See also:

Similar and related Nessus plugins:

42106 - MS09-050: Vulnerabilities in SMBv2 Could Allow Remote Code Execution (975517) (EDUCATEDSCHOLAR)
35362 - MS09-001: Microsoft Windows SMB Vulnerabilities Remote Code Execution (958687) (uncredentialed check)
35635 - MS09-004: Vulnerability in Microsoft SQL Server Could Allow Remote Code Execution (959420) (uncredentialed check)
40825 - MS09-053: Microsoft IIS FTPd NLST Command Remote Buffer Overflow (975191) (uncredentialed check)
50062 - MS09-017 / MS09-021 / MS09-027: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (967340 / 969462 / 969514) (Mac OS X)
50063 - MS09-067 / MS09-068: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (972652 / 976307) (Mac OS X)
39622 - MS09-032: Cumulative Security Update of ActiveX Kill Bits (973346)
39783 - MS09-043: Vulnerabilities in Microsoft Office Web Components Control Could Allow Remote Code Execution (973472)
35361 - MS09-001: Vulnerabilities in SMB Could Allow Remote Code Execution (958687)
35630 - MS09-002: Cumulative Security Update for Internet Explorer (961260)
35632 - MS09-004: Vulnerability in Microsoft SQL Server Could Allow Remote Code Execution (959420)
36148 - MS09-010: Vulnerabilities in WordPad and Office Text Converters Could Allow Remote Code Execution (960477)
36150 - MS09-012: Vulnerabilities in Windows Could Allow Elevation of Privilege (959454)
36152 - MS09-014: Cumulative Security Update for Internet Explorer (963027)
39341 - MS09-019: Cumulative Security Update for Internet Explorer (969897)
39342 - MS09-020: Vulnerabilities in Internet Information Services (IIS) Could Allow Elevation of Privilege (970483)
39344 - MS09-022: Vulnerabilities in Windows Print Spooler Could Allow Remote Code Execution (961501)
39349 - MS09-027: Vulnerabilities in Microsoft Office Word Could Allow Remote Code Execution (969514)
39791 - MS09-028: Vulnerabilities in Microsoft DirectShow Could Allow Remote Code Execution (971633)
40556 - MS09-037: Vulnerabilities in Microsoft Active Template Library (ATL) Could Allow Remote Code Execution (973908)
40562 - MS09-043: Vulnerabilities in Microsoft Office Web Components Could Allow Remote Code Execution (957638)
40891 - MS09-048: Vulnerabilities in Windows TCP/IP Could Allow Remote Code Execution (967723)
42107 - MS09-051: Vulnerabilities in Windows Media Runtime Could Allow Remote Code Execution (975682)
42109 - MS09-053: Vulnerabilities in FTP Service for Internet Information Services Could Allow Remote Code Execution (975254)
42110 - MS09-054: Cumulative Security Update for Internet Explorer (974455)
42112 - MS09-056: Vulnerabilities in Windows CryptoAPI Could Allow Spoofing (974571)
42117 - MS09-061: Vulnerabilities in the Microsoft .NET Common Language Runtime Could Allow Remote Code Execution (974378)
42439 - MS09-065: Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Remote Code Execution (969947)
42441 - MS09-067: Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (972652)
43064 - MS09-072: Cumulative Security Update for Internet Explorer (976325)
108811 - Windows Server 2008 Critical RCE Vulnerabilities (uncredentialed) (PCI/DSS)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file smb2_pid_high_vuln.nasl version 1.36. For more plugins, visit the Nessus Plugin Library.

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MS09-050: Microsoft Windows SMB2 _Smb2ValidateProviderCallback() Vulnerability (975497) (EDUCATEDSCHOLAR) (uncredentialed check) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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