Microsoft Open Management Infrastructure RCE (CVE-2021-38647) - Nessus

Critical   Plugin ID: 153486

This page contains detailed information about the Microsoft Open Management Infrastructure RCE (CVE-2021-38647) Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

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Plugin Overview

ID: 153486
Name: Microsoft Open Management Infrastructure RCE (CVE-2021-38647)
Filename: omi_cve-2021-38647.nbin
Vulnerability Published: 2021-09-14
This Plugin Published: 2021-09-20
Last Modification Time: 2022-05-03
Plugin Version: 1.21
Plugin Type: remote
Plugin Family: Web Servers
Dependencies: wsman_server_detect.nasl

Vulnerability Information

Severity: Critical
Vulnerability Published: 2021-09-14
Patch Published: 2021-09-08
CVE [?]: CVE-2021-38647
CPE [?]: x-cpe:/a:microsoft:open_management_infrastructure
Exploited by Malware: True

Synopsis

Open Management Infrastructure is affected by a remote code execution vulnerability.

Description

The Microsoft Open Management Infrastructure service detected on the remote host is affected by a remote code execution vulnerability due to insufficient authentication validation. An unauthenticated, remote attacker can exploit this to execute code on the remote host as root.

Solution

Upgrade to Microsoft Open Management Infrastructure version 1.6.8-1 or later.

Public Exploits

Target Network Port(s): N/A
Target Asset(s): N/A
Exploit Available: True (Metasploit Framework, GitHub)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the Microsoft Open Management Infrastructure RCE (CVE-2021-38647) vulnerability:

  1. Metasploit: exploit/linux/local/cve_2021_38648_omigod
    [Microsoft OMI Management Interface Authentication Bypass]
  2. Metasploit: exploit/linux/misc/cve_2021_38647_omigod
    [Microsoft OMI Management Interface Authentication Bypass]
  3. GitHub: https://github.com/AlteredSecurity/CVE-2021-38647
    [CVE-2021-38647]
  4. GitHub: https://github.com/Astrogeorgeonethree/Starred
    [CVE-2021-38647]
  5. GitHub: https://github.com/FDlucifer/firece-fish
    [CVE-2021-38647]
  6. GitHub: https://github.com/Iveco/xknow_infosec
    [CVE-2021-38647]
  7. GitHub: https://github.com/Metarget/awesome-cloud-security
    [CVE-2021-38647]
  8. GitHub: https://github.com/Vulnmachines/OMIGOD_cve-2021-38647
    [CVE-2021-38647]
  9. GitHub: https://github.com/abousteif/cve-2021-38647
    [CVE-2021-38647]
  10. GitHub: https://github.com/cisagov/Malcolm
    [CVE-2021-38647]
  11. GitHub: https://github.com/fr34kyy/omigod
    [CVE-2021-38647]
  12. GitHub: https://github.com/hetmehtaa/bug-bounty-noob
    [CVE-2021-38647]
  13. GitHub: https://github.com/joshhighet/omi
    [CVE-2021-38647]
  14. GitHub: https://github.com/m1thryn/CVE-2021-38647
    [CVE-2021-38647]
  15. GitHub: https://github.com/marcosimioni/omigood
    [CVE-2021-38647]
  16. GitHub: https://github.com/nday-ldgz/ZoomEye-dork
    [CVE-2021-38647]
  17. GitHub: https://github.com/neolin-ms/AzureDocLinks
    [CVE-2021-38647]
  18. GitHub: https://github.com/r0eXpeR/supplier
    [CVE-2021-38647]
  19. GitHub: https://github.com/rcarboneras/OMIGOD-OMSAgentInfo
    [CVE-2021-38647]
  20. GitHub: https://github.com/sbiqbe/omigod-check
    [CVE-2021-38647]
  21. GitHub: https://github.com/corelight/CVE-2021-38647
    [CVE-2021-38647: CVE-2021-38647 AKA "OMIGOD" vulnerability in Windows OMI]
  22. GitHub: https://github.com/craig-m-unsw/omigod-lab
    [CVE-2021-38647: A Vagrant VM test lab to learn about CVE-2021-38647 in the Open Management ...]
  23. GitHub: https://github.com/horizon3ai/CVE-2021-38647
    [CVE-2021-38647: Proof on Concept Exploit for CVE-2021-38647 (OMIGOD)]
  24. GitHub: https://github.com/Immersive-Labs-Sec/cve-2021-38647
    [CVE-2021-38647: A PoC exploit for CVE-2021-38647 RCE in OMI]
  25. GitHub: https://github.com/midoxnet/CVE-2021-38647
    [CVE-2021-38647: CVE-2021-38647 POC for RCE]
  26. GitHub: https://github.com/SimenBai/CVE-2021-38647-POC-and-Demo-environment
    [CVE-2021-38647: OMIGod / CVE-2021-38647 POC and Demo environment]

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-2021-38647
CVSS V2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:H/RL:OF/RC:C
CVSS Base Score:7.5 (High)
Impact Subscore:6.4
Exploitability Subscore:10.0
CVSS Temporal Score:6.5 (Medium)
CVSS Environmental Score:NA (None)
Modified Impact Subscore:NA
Overall CVSS Score:6.5 (Medium)
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 omi_cve-2021-38647.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/omi_cve-2021-38647.nbin
  • Windows:
    C:\ProgramData\Tenable\Nessus\nessus\plugins\omi_cve-2021-38647.nbin
  • Mac OS X:
    /Library/Nessus/run/lib/nessus/plugins/omi_cve-2021-38647.nbin

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How to Run

Here is how to run the Microsoft Open Management Infrastructure RCE (CVE-2021-38647) 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 Web Servers plugin family.
  6. On the right side table select Microsoft Open Management Infrastructure RCE (CVE-2021-38647) plugin ID 153486.
  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 omi_cve-2021-38647.nbin -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a omi_cve-2021-38647.nbin -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - omi_cve-2021-38647.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 omi_cve-2021-38647.nbin -t <IP/HOST>

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References

IAVA | Information Assurance Vulnerability Alert:
  • 2021-A-0433
See also: Similar and related Nessus plugins:
  • 153474 - Microsoft Open Management Infrastructure < 1.6.8.1 Multiple Vulnerabilities
  • 153475 - Microsoft Open Management Infrastructure (OMI) package < 1.6.8-1 Multiple Vulnerabilities
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  • 64588 - Microsoft ASP.NET MS-DOS Device Name DoS
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  • 10497 - Microsoft FrontPage Extensions MS-DOS Device Request DoS
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  • 38808 - Microsoft IIS WebDAV Unicode Request Directory Security Bypass
  • 144969 - Apache Unomi RCE (Direct Check)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file omi_cve-2021-38647.nbin version 1.21. For more plugins, visit the Nessus Plugin Library.

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