CVE-2024-23903

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Published Jan 24, 2024 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed

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

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Jenkins Project

Jenkins GitLab Branch Source Plugin

unaffected

Version	Status	Constraints
`0`	affected	≤ 684.vea_fa_7c1e2fe3

Configuration 1 [-]

cpe:2.3:a:jenkins:github_branch_source:*:*:*:*:*:jenkins:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2024-0341	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.
Github GHSA	GHSA-f67f-2j6r-m4c9	Non-constant time webhook token comparison in Jenkins GitLab Branch Source Plugin

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.500% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2024/01/24/6
https://www.jenkins.io/security/advisory/2024-01-24/#SECURITY-2871

History

No history.

Subscriptions

Jenkins Github Branch Source

Weaknesses

CWE-697

Sources

CVE record Updated: Feb 13, 2025, 5:39 PM

Status: PUBLISHED
Assigner: jenkins
Published: Jan 24, 2024, 5:52 PM
Updated: Feb 13, 2025, 5:39 PM
Reserved: Jan 23, 2024, 12:46 PM

View source JSON

Vulnrichment Updated: Aug 1, 2024, 11:13 PM

Updated: Aug 1, 2024, 11:13 PM

NVD Updated: Jun 17, 2026, 7:13 AM

Status: Modified
Published: Jan 24, 2024, 6:15 PM
Modified: Jun 17, 2026, 7:13 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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