SB2023051130 - Security restrictions bypass in GitLab



SB2023051130 - Security restrictions bypass in GitLab

Published: May 11, 2023

Security Bulletin ID SB2023051130
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Security features bypass (CVE-ID: CVE-2023-2181)

CWE-ID: CWE-254 - Security Features

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due in the refs/replace feature. A malicious developer can smuggle content into a merge request which would not be visible during review in the UI.


Remediation

Install update from vendor's website.