Microsoft Open Management Infrastructure < 1.6.8.1 Multiple Vulnerabilities - Nessus

Critical Plugin ID: 153474

This page contains detailed information about the Microsoft Open Management Infrastructure < 1.6.8.1 Multiple Vulnerabilities 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: 153474
Name: Microsoft Open Management Infrastructure < 1.6.8.1 Multiple Vulnerabilities
Filename: azure_open_mgmt_infra_1_6_8_1.nasl
Vulnerability Published: 2021-09-15
This Plugin Published: 2021-09-17
Last Modification Time: 2021-12-29
Plugin Version: 1.9
Plugin Type: local
Plugin Family: Web Servers
Dependencies: microsoft_omi_nix_installed.nbin
Required KB Items [?]: installed_sw/omi

Vulnerability Information

Severity: Critical
Vulnerability Published: 2021-09-15
Patch Published: 2021-09-07
CVE [?]: CVE-2021-38645, CVE-2021-38647, CVE-2021-38648, CVE-2021-38649
CPE [?]: x-cpe:/a:microsoft:open_management_infrastructure
Exploited by Malware: True

Synopsis

The remote Azure Open Management Infrastructure server is affected by multiple vulnerabilities

Description

The version of Azure Open Management Intfrastructure installed on the remote host is prior to 1.6.8.1. It is, therefore, affected by multiple vulnerabilities:

- A remote code execution vulnerability exists in the OMI agent. An unauthenticated, remote attacker can exploit this to bypass authentication and execute arbitrary commands with root privileges. (CVE-2021-38647) - Multiple privilege escalation vulnerabilities exists in the OMI agent. An unauthenticated, remote attacker can exploit this, to gain priviledged access to the system. (CVE-2021-38645, CVE-2021-38648, CVE-2021-38649)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Azure 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 < 1.6.8.1 Multiple Vulnerabilities vulnerability:

Metasploit: exploit/linux/local/cve_2021_38648_omigod
[Microsoft OMI Management Interface Authentication Bypass]
Metasploit: exploit/linux/misc/cve_2021_38647_omigod
[Microsoft OMI Management Interface Authentication Bypass]
GitHub: https://github.com/joshhighet/omi
[CVE-2021-38645]
GitHub: https://github.com/rcarboneras/OMIGOD-OMSAgentInfo
[CVE-2021-38645]
GitHub: https://github.com/sbiqbe/omigod-check
[CVE-2021-38645]
GitHub: https://github.com/AlteredSecurity/CVE-2021-38647
[CVE-2021-38647]
GitHub: https://github.com/Astrogeorgeonethree/Starred
[CVE-2021-38647]
GitHub: https://github.com/FDlucifer/firece-fish
[CVE-2021-38647]
GitHub: https://github.com/Iveco/xknow_infosec
[CVE-2021-38647]
GitHub: https://github.com/Metarget/awesome-cloud-security
[CVE-2021-38647]
GitHub: https://github.com/Vulnmachines/OMIGOD_cve-2021-38647
[CVE-2021-38647]
GitHub: https://github.com/abousteif/cve-2021-38647
[CVE-2021-38647]
GitHub: https://github.com/cisagov/Malcolm
[CVE-2021-38647]
GitHub: https://github.com/fr34kyy/omigod
[CVE-2021-38647]
GitHub: https://github.com/hetmehtaa/bug-bounty-noob
[CVE-2021-38647]
GitHub: https://github.com/joshhighet/omi
[CVE-2021-38647]
GitHub: https://github.com/m1thryn/CVE-2021-38647
[CVE-2021-38647]
GitHub: https://github.com/marcosimioni/omigood
[CVE-2021-38647]
GitHub: https://github.com/nday-ldgz/ZoomEye-dork
[CVE-2021-38647]
GitHub: https://github.com/neolin-ms/AzureDocLinks
[CVE-2021-38647]
GitHub: https://github.com/r0eXpeR/supplier
[CVE-2021-38647]
GitHub: https://github.com/rcarboneras/OMIGOD-OMSAgentInfo
[CVE-2021-38647]
GitHub: https://github.com/sbiqbe/omigod-check
[CVE-2021-38647]
GitHub: https://github.com/joshhighet/omi
[CVE-2021-38648]
GitHub: https://github.com/rcarboneras/OMIGOD-OMSAgentInfo
[CVE-2021-38648]
GitHub: https://github.com/sbiqbe/omigod-check
[CVE-2021-38648]
GitHub: https://github.com/joshhighet/omi
[CVE-2021-38649]
GitHub: https://github.com/rcarboneras/OMIGOD-OMSAgentInfo
[CVE-2021-38649]
GitHub: https://github.com/sbiqbe/omigod-check
[CVE-2021-38649]
GitHub: https://github.com/corelight/CVE-2021-38647
[CVE-2021-38647: CVE-2021-38647 AKA "OMIGOD" vulnerability in Windows OMI]
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 ...]
GitHub: https://github.com/horizon3ai/CVE-2021-38647
[CVE-2021-38647: Proof on Concept Exploit for CVE-2021-38647 (OMIGOD)]
GitHub: https://github.com/Immersive-Labs-Sec/cve-2021-38647
[CVE-2021-38647: A PoC exploit for CVE-2021-38647 RCE in OMI]
GitHub: https://github.com/midoxnet/CVE-2021-38647
[CVE-2021-38647: CVE-2021-38647 POC for RCE]
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

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
##

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(153474);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/12/29");

  script_cve_id(
    "CVE-2021-38645",
    "CVE-2021-38647",
    "CVE-2021-38648",
    "CVE-2021-38649"
  );
  script_xref(name:"IAVA", value:"2021-A-0433");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2021/11/17");

  script_name(english:"Microsoft Open Management Infrastructure < 1.6.8.1 Multiple Vulnerabilities");

  script_set_attribute(attribute:"synopsis", value:
"The remote Azure Open Management Infrastructure server is affected by multiple vulnerabilities");
  script_set_attribute(attribute:"description", value:
"The version of Azure Open Management Intfrastructure installed on the remote host is prior to 1.6.8.1. It is, therefore,
affected by multiple vulnerabilities:

  - A remote code execution vulnerability exists in the OMI agent. An unauthenticated, remote attacker can exploit 
    this to bypass authentication and execute arbitrary commands with root privileges. (CVE-2021-38647)
    
  - Multiple privilege escalation vulnerabilities exists in the OMI agent. An unauthenticated, remote attacker can
    exploit this, to gain priviledged access to the system. (CVE-2021-38645, CVE-2021-38648, CVE-2021-38649)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://github.com/Microsoft/omi/releases/");
  script_set_attribute(attribute:"see_also", value:"https://www.wiz.io/blog/omigod-critical-vulnerabilities-in-omi-azure");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Azure Open Management Infrastructure version 1.6.8.1 or later.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  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-2021-38647");

  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 OMI Management Interface Authentication Bypass');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/09/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/09/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/09/17");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"x-cpe:/a:microsoft:open_management_infrastructure");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Web Servers");

  script_copyright(english:"This script is Copyright (C) 2021 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("microsoft_omi_nix_installed.nbin");
  script_require_keys("installed_sw/omi");

  exit(0);
}

include('vcf.inc');

vcf::add_separator('-'); # used in parsing version for vcf
app_info = vcf::combined_get_app_info(app:'omi');

vcf::check_granularity(app_info:app_info, sig_segments:3);

constraints = [
  { 'fixed_version' : '1.6.8.1' }
];

vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_HOLE);

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/azure_open_mgmt_infra_1_6_8_1.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\azure_open_mgmt_infra_1_6_8_1.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/azure_open_mgmt_infra_1_6_8_1.nasl

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How to Run

Here is how to run the Microsoft Open Management Infrastructure < 1.6.8.1 Multiple Vulnerabilities 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 Web Servers plugin family.
On the right side table select Microsoft Open Management Infrastructure < 1.6.8.1 Multiple Vulnerabilities plugin ID 153474.
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 azure_open_mgmt_infra_1_6_8_1.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a azure_open_mgmt_infra_1_6_8_1.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - azure_open_mgmt_infra_1_6_8_1.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 azure_open_mgmt_infra_1_6_8_1.nasl -t <IP/HOST>

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References

IAVA | Information Assurance Vulnerability Alert:

2021-A-0433

See also:

Similar and related Nessus plugins:

153475 - Microsoft Open Management Infrastructure (OMI) package < 1.6.8-1 Multiple Vulnerabilities
153486 - Microsoft Open Management Infrastructure RCE (CVE-2021-38647)
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Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file azure_open_mgmt_infra_1_6_8_1.nasl version 1.9. For more plugins, visit the Nessus Plugin Library.

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Microsoft Open Management Infrastructure < 1.6.8.1 Multiple Vulnerabilities - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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