Check Point Advisories

GitLab Remote Code Execution (CVE-2021-39906)

Check Point Reference: CPAI-2021-1727
Date Published: 7 May 2023
Severity: Medium
Last Updated: Sunday 07 May, 2023
Source:
Industry Reference:CVE-2021-39906
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? GitLab 13.5.0 and later, prior to 14.2.6
GitLab 13.5.0 and later, prior to 14.2.6
GitLab 14.3.0 and later, prior to 14.3.4
GitLab 14.3.0 and later, prior to 14.3.4
GitLab 14.4.0 and later, prior to 14.4.1
GitLab 14.4.0 and later, prior to 14.4.1
Vulnerability Description A remote code execution vulnerability exists in GitLab. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the GitLab Remote Code Execution (CVE-2021-39906) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  GitLab Remote Code Execution (CVE-2021-39906)

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