CVE-2024-23898: jenkins — Fix

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.

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CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-346 CWE-346

Affected Products

Vendor	Product	Versions
jenkins	jenkins	2.217 — 2.441
jenkins	jenkins	2.222.1 — 2.426.2

References

Advisories & Patches

https://www.jenkins.io/security/advisory/2024-01-24/#SECURITY-3315 https://www.jenkins.io/security/advisory/2024-01-24/#SECURITY-3315

Other References

http://www.openwall.com/lists/oss-security/2024/01/24/6 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://www.sonarsource.com/blog/excessive-expansion-uncovering-critical-security-vulnerabilities-in-jenkins/

Frequently Asked Questions

What is CVE-2024-23898? +

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. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2024-23898? +

CVE-2024-23898 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-23898? +

CVE-2024-23898 affects products from jenkins, specifically: jenkins. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-23898? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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