Improper Authentication in GitLab Enterprise Edition and Gitlab Community Edition - #VU49939
Published: January 24, 2021
Vulnerability identifier: #VU49939
CSH Severity: Medium
CVSS v4: 8.4 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to bypass authentication process.
The vulnerability exists due to incorrect patch for #VU49353. A remote user can steal a user's API access token through Gitlab pages, bypass the authentication process and gain unauthorized access to the application.
Affected software
GitLab Enterprise Edition
Gitlab Community Edition
Gitlab Community Edition
Remediation
Install updates from vendor's website.
GitLab Enterprise Edition - addressed in versions 13.5.7, 13.6.5, 13.7.4
Gitlab Community Edition - addressed in versions 13.5.7, 13.6.5, 13.7.4
Gitlab Community Edition - addressed in versions 13.5.7, 13.6.5, 13.7.4