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githubGitHub Advisory DatabaseGHSA-HJ7P-H74J-6GXJ
HistorySep 06, 2023 - 3:30 p.m.

Non-constant time nonce comparison in Jenkins Microsoft Entra ID (previously Azure AD) Plugin

2023-09-0615:30:26
CWE-697
GitHub Advisory Database
github.com
3
jenkins
azure ad
plugin
csrf protection
non-constant time
security vulnerability

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

37.3%

Jenkins Azure AD Plugin 396.v86ce29279947 and earlier, except 378.380.v545b_1154b_3fb_, uses a non-constant time comparison function when checking whether the provided and expected CSRF protection nonce are equal, potentially allowing attackers to use statistical methods to obtain a valid nonce.

Affected configurations

Vulners
Node
org.jenkins-ci.plugins\Matchazure-keyvault
OR
org.jenkins-ci.plugins\Matchazure-keyvault

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

37.3%

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