OpenAM RCE (CVE-2021-35464) - Nessus

Critical   Plugin ID: 152139

This page contains detailed information about the OpenAM RCE (CVE-2021-35464) 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

ID: 152139
Name: OpenAM RCE (CVE-2021-35464)
Filename: openam_cve-2021-35464.nbin
Vulnerability Published: 2021-06-29
This Plugin Published: 2021-07-29
Last Modification Time: 2022-05-03
Plugin Version: 1.16
Plugin Type: remote
Plugin Family: CGI abuses
Dependencies: openam_web_detect.nbin
Required KB Items [?]: installed_sw/OpenAM

Vulnerability Information

Severity: Critical
Vulnerability Published: 2021-06-29
Patch Published: 2021-06-29
CVE [?]: CVE-2021-35464
CPE [?]: cpe:/a:forgerock:openam

Synopsis

Open Access Management (OpenAM) is affected by a remote code execution vulnerability.

Description

The version of Open Access Management (OpenAM) detected on the remote host is affected by a remote code execution vulnerability due to unsafe object deserialization. An unauthenticated, remote attacker can exploit this to execute code on the remote host.

Solution

Upgrade to the relevant fixed version referenced in the vendor advisory.

Public Exploits

Target Network Port(s): 80
Target Asset(s): Services/www
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 OpenAM RCE (CVE-2021-35464) vulnerability:

  1. Metasploit: exploit/multi/http/cve_2021_35464_forgerock_openam
    [ForgeRock / OpenAM Jato Java Deserialization]
  2. Exploit-DB: exploits/java/webapps/50131.py
    [EDB-50131: ForgeRock Access Manager 14.6.3 - Remote Code Execution (RCE) (Unauthenticated)]
  3. GitHub: https://github.com/gkhan496/WDIR
    [CVE-2021-35464]
  4. GitHub: https://github.com/harsh-bothra/learn365
    [CVE-2021-35464]
  5. GitHub: https://github.com/n1sh1th/CVE-POC
    [CVE-2021-35464]
  6. GitHub: https://github.com/rood8008/CVE-2021-35464
    [CVE-2021-35464]
  7. GitHub: https://github.com/rudrapwn/source-code-review
    [CVE-2021-35464]
  8. GitHub: https://github.com/Y4er/openam-CVE-2021-35464
    [CVE-2021-35464: openam-CVE-2021-35464 tomcat 执行命令回显]

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-2021-35464
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)
STIG Severity [?]: I
STIG Risk Rating: High

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Plugin Source

The openam_cve-2021-35464.nbin Nessus plugin is distributed in a propriatory binary format and its source code is protected. This script is Copyright (C) 2021-2022 and is owned by Tenable, Inc. or an Affiliate thereof.

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

  • Linux / Unix:
    /opt/nessus/lib/nessus/plugins/openam_cve-2021-35464.nbin
  • Windows:
    C:\ProgramData\Tenable\Nessus\nessus\plugins\openam_cve-2021-35464.nbin
  • Mac OS X:
    /Library/Nessus/run/lib/nessus/plugins/openam_cve-2021-35464.nbin

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How to Run

Here is how to run the OpenAM RCE (CVE-2021-35464) as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

  1. Click to start a New Scan.
  2. Select Advanced Scan.
  3. Navigate to the Plugins tab.
  4. On the top right corner click to Disable All plugins.
  5. On the left side table select CGI abuses plugin family.
  6. On the right side table select OpenAM RCE (CVE-2021-35464) plugin ID 152139.
  7. Specify the target on the Settings tab and click to Save the scan.
  8. 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 openam_cve-2021-35464.nbin -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a openam_cve-2021-35464.nbin -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - openam_cve-2021-35464.nbin -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 openam_cve-2021-35464.nbin -t <IP/HOST>

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References

IAVA | Information Assurance Vulnerability Alert:
  • 2021-A-0359
See also: Similar and related Nessus plugins:
  • 151291 - ForgeRock Access Management < 7.0 RCE
  • 151278 - openSUSE 15 Security Update : opera (openSUSE-SU-2021:0949-1)
  • 151291 - ForgeRock Access Management < 7.0 RCE
  • 151588 - KB5004244: Windows 10 version 1809 / Windows Server 2019 Security Update (July 2021)
  • 151592 - KB5004238: Windows 10 Version 1607 / Windows Server 2016 Security Update (July 2021)
  • 151596 - KB5004249: Windows 10 1507 LTS Security Update (July 2021)
  • 151598 - KB5004298: Windows Server 2012 R2 Security Update (July 2021)
  • 151599 - KB5004302: Windows Server 2012 Security Update (July 2021)
  • 151601 - KB5004305: Windows Server 2008 Security Update (July 2021)
  • 151604 - KB5004245: Windows 10 1909 Security Update (July 2021)
  • 151606 - KB5004237: Windows 10 Version 2004 / Windows 10 Version 20H2 / Windows 10 Version 21H1 Security Update (July 2021)
  • 151611 - KB5004307: Windows 7 and Windows Server 2008 R2 Security Update (July 2021)
  • 151646 - Serv-U FTP Server <= 15.2.3 Hotfix 1 Memory Escape Vulnerability
  • 152102 - Microsoft Windows EFSRPC NTLM Reflection Elevation of Privilege (PetitPotam) (Remote)
  • 152127 - Apple iOS < 14.7.1 Vulnerability (HT212623)
  • 152129 - macOS 11.x < 11.5.1 (HT212622)
  • 152135 - Ubuntu 18.04 LTS / 20.04 LTS / 21.04 : WebKitGTK vulnerabilities (USN-5024-1)
  • 152138 - Debian DSA-4945-1 : webkit2gtk - security update
  • 152196 - openSUSE 15 Security Update : webkit2gtk3 (openSUSE-SU-2021:2598-1)
  • 152201 - SUSE SLED12 / SLES12 Security Update : webkit2gtk3 (SUSE-SU-2021:2600-1)
  • 152202 - SUSE SLED15 / SLES15 Security Update : webkit2gtk3 (SUSE-SU-2021:2598-1)
  • 152391 - openSUSE 15 Security Update : webkit2gtk3 (openSUSE-SU-2021:1101-1)
  • 152421 - KB5005094: Windows Server 2012 Security Update (August 2021)
  • 152425 - KB5005095: Windows Server 2008 Security Update (August 2021)
  • 152430 - KB5005031: Windows 10 Version 1909 Security Update (August 2021)
  • 152431 - KB5005033: Windows 10 Version 2004 / Windows 10 Version 20H2 / Windows 10 Version 21H1 Security Update (August 2021)
  • 152433 - KB5005106: Windows Server 2012 R2 Security Update (August 2021)
  • 152434 - KB5005043: Windows 10 Version 1607 and Windows Server 2016 Security Update (August 2021)
  • 152435 - KB5005030: Windows 10 Version 1809 and Windows Server 2019 Security Update (August 2021)
  • 152436 - KB5005089: Windows Server 2008 R2 Security Update (August 2021)
  • 152458 - Microsoft Exchange Server RCE (ProxyShell)
  • 152473 - openSUSE 15 Security Update : python-CairoSVG, python-Pillow (openSUSE-SU-2021:1134-1)
  • 152656 - SUSE SLES15 Security Update : webkit2gtk3 (SUSE-SU-2021:2762-1)
  • 152864 - Atlassian Confluence < 6.13.23 / 6.14 < 7.4.11 / 7.5 < 7.11.6 / 7.12 < 7.12.5 Webwork OGNL Injection (CONFSERVER-67940)
  • 153087 - Atlassian Confluence Server Webwork OGNL Injection (CVE-2021-26084)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file openam_cve-2021-35464.nbin version 1.16. For more plugins, visit the Nessus Plugin Library.

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