CVE-2024-23898

Description

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.

References

• https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-0256
• https://www.jenkins.io/security/advisory/2024-01-24/#SECURITY-3315
• https://www.sonarsource.com/blog/excessive-expansion-uncovering-critical-security-vulnerabilities-in-jenkins/
• http://www.openwall.com/lists/oss-security/2024/01/24/6