CVE-2024-23903

MEDIUM

Jenkins GitLab Branch Source Plugin <684 - Info Disclosure

Title source: llm

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.

References (2)

[Mailing List] http://www.openwall.com/lists/oss-security/2024/01/24/6

[Vendor Advisory] https://www.jenkins.io/security/advisory/2024-01-24/#SECURITY-2871

Scores

CVSS v3 5.3

EPSS 0.0008

EPSS Percentile 23.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-697

Status published

Products (2)

io.jenkins.plugins/gitlab-branch-source 0 - 688.v5faMaven

jenkins/github_branch_source < 684.vea_fa_7c1e2fe3

Published Jan 24, 2024

Tracked Since Feb 18, 2026