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OpenAdvisories
Medium · 5.3 CVE-2024-23903 EUVD-2024-0341GHSA-f67f-2j6r-m4c9

Non-constant time webhook token comparison in Jenkins GitLab Branch Source Plugin

Published Jan 24, 2024 · Updated Feb 13, 2025 · Assigned by jenkins

Description

Jenkins GitLab Branch Source Plugin 684.vea_fa_7c1e2fe3 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

VendorProductAffectedFixed
Jenkins Project Jenkins GitLab Branch Source Plugin ≤ 684.vea_fa_7c1e2fe3 —

Affected packages

EcosystemPackageAffectedFixedRecord
Maven io.jenkins.plugins:gitlab-branch-source < 688.v5fa 688.v5fa GHSA-f67f-2j6r-m4c9

Advisories 1

References