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CVE-2024-23898

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Date: January 24, 2024

Jenkins 2.217 through 2.441 (both inclusive), LTS 2.222.1 through 2.426.2 (both inclusive) does not perform origin validation of requests made through the CLI WebSocket endpoint, resulting in a cross-site WebSocket hijacking (CSWSH) vulnerability, allowing attackers to execute CLI commands on the Jenkins controller.

Language: Java

Severity Score

Related Resources (8)

https://www.sonarsource.com/blog/excessive-expansion-uncovering-critical-security-vulnerabilities-in-jenkins/
http://www.openwall.com/lists/oss-security/2024/01/24/6
https://github.com/jenkinsci/jenkins/commit/de450967f38398169650b55c002f1229a3fcdb1b
https://www.sonarsource.com/blog/excessive-expansion-uncovering-critical-security-vulnerabilities-in-jenkins
https://nvd.nist.gov/vuln/detail/CVE-2024-23898
https://www.jenkins.io/security/advisory/2024-01-24/#SECURITY-3315
https://github.com/jenkinsci/jenkins
https://www.mend.io/vulnerability-database/CVE-2024-23898

Severity Score

Weakness Type (CWE)

Origin Validation Error

CWE-346

Top Fix

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Upgrade Version

Upgrade to version org.jenkins-ci.main:jenkins-core:2.426.3;org.jenkins-ci.main:jenkins-core:2.442

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CVSS v3.1

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

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