SB2020021340 - Unauthorized access to projects in GitLab
Published: February 13, 2020
Security Bulletin ID
SB2020021340
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-8795)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: 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
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.
Remediation
Install update from vendor's website.