Input validation error in GitLab Enterprise Edition - CVE-2023-4912
Published: December 1, 2023
Vulnerability identifier: #VU83612
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-4912
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 insufficient validation of user-supplied input within the Mermaid Flowchart. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Affected software
GitLab Enterprise Edition
How to mitigate CVE-2023-4912
Install updates from vendor's website.
GitLab Enterprise Edition - addressed in versions 16.4.3, 16.5.3, 16.6.1