SB20200716116 - Improper Authorization in Jenkins Gitlab Authentication plugin
Published: July 16, 2020
Security Bulletin ID
SB20200716116
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Authorization (CVE-ID: CVE-2020-2228)
CWE-ID: CWE-285 - Improper Authorization
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to bypass authorization process.
The vulnerability exists due to the affected plugin does not differentiate between user names and hierarchical group names when performing authorization. A remote attacker with permissions to create groups in GitLab can gain the privileges granted to another user or group.
Remediation
Install update from vendor's website.