#VU85796 Information disclosure in GitLab Branch Source - CVE-2024-23903
Published: January 25, 2024
Vulnerability identifier: #VU85796
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-23903
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
GitLab Branch Source
GitLab Branch Source
Software vendor:
Jenkins
Jenkins
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to the affected plugin uses a non-constant time comparison function when checking whether the provided and expected webhook token are equal. A remote attacker can use statistical methods to obtain a valid webhook token.
Remediation
Install updates from vendor's website.