SB2021012409 - Security restrictions bypass in GitLab
Published: January 24, 2021
Security Bulletin ID
SB2021012409
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Authentication (CVE-ID: N/A)
CWE-ID: CWE-287 - Improper Authentication
CVSSv4: 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/E:U/U:Green
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.
Remediation
Install update from vendor's website.