CVE-2022-43411

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-10-19 · updated 2026-06-17
Weakness: CWE-203

Description

Jenkins GitLab Plugin 1.5.35 and earlier uses a non-constant time comparison function when checking whether the provided and expected webhook token are equal, potentially allowing attackers to use statistical methods to obtain a valid webhook token.

Affected products

Jenkins project Jenkins GitLab Plugin: before 1.5.36 — fixed in 1.5.36

How to fix

Upgrade to a fixed version: Jenkins project Jenkins GitLab Plugin 1.5.36. Check the vendor advisory for mitigations.

References

http://www.openwall.com/lists/oss-security/2022/10/19/3
https://www.jenkins.io/security/advisory/2022-10-19/#SECURITY-2877
http://www.openwall.com/lists/oss-security/2022/10/19/3
https://www.jenkins.io/security/advisory/2022-10-19/#SECURITY-2877

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