Incorrect default permissions in GitLab Enterprise Edition - CVE-2020-7977
Published: February 10, 2020
Vulnerability identifier: #VU25100
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-7977
CWE-ID: CWE-276
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a emote attacker to escalate privileges on the system.
The vulnerability exists due to incorrect default permissions for files and folders that are set by the application. A remote developer of a project can change the pipeline status of a protected branch to any value.
Affected software
GitLab Enterprise Edition
How to mitigate CVE-2020-7977
Install updates from vendor's website.
GitLab Enterprise Edition - addressed in versions 12.5.9, 12.6.6, 12.7.4