Main Vulnerability Database Vulnerabilities #VU85321

Improper Authorization in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2023-5356

Published: January 12, 2024

Vulnerability identifier: #VU85321

CSH Severity: Medium

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-5356

CWE-ID: CWE-285

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to incorrect authorization checks. A remote user can abuse Slack/Mattermost integrations to execute slash commands as another user.

Affected software

Gitlab Community Edition
GitLab Enterprise Edition

How to mitigate CVE-2023-5356

Install updates from vendor's website.

Gitlab Community Edition - addressed in versions 16.5.6, 16.6.4, 16.7.2
GitLab Enterprise Edition - addressed in versions 16.5.6, 16.6.4, 16.7.2

External References

https://about.gitlab.com/releases/2024/01/11/critical-security-release-gitlab-16-7-2-released/

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