Authorization bypass through user-controlled key in Gitlab Community Edition - CVE-2019-15581

 

Authorization bypass through user-controlled key in Gitlab Community Edition - CVE-2019-15581

Published: January 28, 2020 / Updated: July 17, 2020


Vulnerability identifier: #VU30412
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-15581
CWE-ID:
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GitLab, Inc
Affected software:
Gitlab Community Edition

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

An IDOR exists in < 12.3.2, < 12.2.6, and < 12.1.12 for GitLab Community Edition (CE) and Enterprise Edition (EE) that allowed a project owner or maintainer to see the members of any private group via merge request approval rules.


How to mitigate CVE-2019-15581

Install update from vendor's website.

Sources