Input validation error in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2020-13354
Published: November 3, 2020
Vulnerability identifier: #VU48113
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-13354
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the container registry name check can cause exponential number of backtracks for certain user supplied values. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Affected software
GitLab Enterprise Edition
Gitlab Community Edition
Gitlab Community Edition
How to mitigate CVE-2020-13354
Install updates from vendor's website.
GitLab Enterprise Edition - addressed in versions 13.3.9, 13.4.5, 13.5.2
Gitlab Community Edition - addressed in versions 13.3.9, 13.4.5, 13.5.2
Gitlab Community Edition - addressed in versions 13.3.9, 13.4.5, 13.5.2