Permissions, Privileges, and Access Controls in Gitlab Community Edition - CVE-2020-8795

 

Permissions, Privileges, and Access Controls in Gitlab Community Edition - CVE-2020-8795

Published: February 13, 2020


Vulnerability identifier: #VU25341
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-8795
CWE-ID: CWE-264
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 attacker to gain unauthorized access to projects.

The vulnerability exists due to incorrect membership handling of group sharing feature. Sharing a group with another group could grant project access to unauthorized users.


How to mitigate CVE-2020-8795

Install updates from vendor's website.

Sources