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CVE-2024-23903

Date: January 24, 2024

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.

Language: Java

Severity Score

Related Resources (6)

https://github.com/jenkinsci/gitlab-branch-source-plugin
http://www.openwall.com/lists/oss-security/2024/01/24/6
https://nvd.nist.gov/vuln/detail/CVE-2024-23903
https://www.jenkins.io/security/advisory/2024-01-24/#SECURITY-2871
https://github.com/jenkinsci/gitlab-branch-source-plugin/commit/8bfe1046cf342b99419457b9336addbbf346f89a
https://www.mend.io/vulnerability-database/CVE-2024-23903

Severity Score

Weakness Type (CWE)

Incorrect Comparison

CWE-697

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

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