CVE-2024-23903

2024-01-2418:15:09

Alpine Linux Development Team

security.alpinelinux.org

jenkins

gitlab

branch source plugin

684.vea_fa_7c1e2fe3

non-constant time

comparison

webhook token

statistical methods

security issue

unix

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

6.9

Confidence

Low

EPSS

0.001

Percentile

17.0%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Alpine3.19-communitynoarchjenkins= 2.440.3-r0UNKNOWN
Alpine3.20-communitynoarchjenkins= 2.440.2-r0UNKNOWN
Alpineedge-communitynoarchjenkins= 2.462.1-r0UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Alpine	3.19-community	noarch	jenkins	= 2.440.3-r0	UNKNOWN
Alpine	3.20-community	noarch	jenkins	= 2.440.2-r0	UNKNOWN
Alpine	edge-community	noarch	jenkins	= 2.462.1-r0	UNKNOWN