Check Point Advisories

GitLab Community and Enterprise Cross-Site Scripting (CVE-2021-22241)

Check Point Reference: CPAI-2021-1015
Date Published: 30 Dec 2021
Severity: High
Last Updated: Thursday 30 December, 2021
Source:
Industry Reference:CVE-2021-22241
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? GitLab Community Edition (CE) and Enterprise Edition (EE)
Vulnerability Description A stored cross-site scripting vulnerability exists in the Community edition and Enterprise edition of GitLab. The vulnerability is due to improper input validation of the default branch name.

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 Community and Enterprise Cross-Site Scripting (CVE-2021-22241) 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:  ICMP Protocol Violation.
Attack Information:  GitLab Community and Enterprise Cross-Site Scripting (CVE-2021-22241)

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