CVE-2024-23903
Non-constant time webhook token comparison in Jenkins GitLab Branch Source Plugin
3.7
LOW
CVSS 3.1
EPSS 0.11%
Description
Jenkins GitLab Branch Source Plugin 684.vea_fa_7c1e2fe3 and earlier does not use a constant-time comparison function when checking whether the provided and expected webhook token are equal. This could potentially allow attackers to use statistical methods to obtain a valid webhook token. GitLab Branch Source Plugin 688.v5fa_356ee8520 uses a constant-time comparison function when validating the webhook token.
How to fix CVE-2024-23903
To remediate CVE-2024-23903, upgrade the affected package to a fixed version below.
- —upgrade to 688.v5fa or later
Is CVE-2024-23903 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 688.v5fa
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |