Cross-site request forgery in Jenkins and LTS

1) Cross-site request forgery

EUVDB-ID: #VU59576

Risk: Low

CVSSv4.0: [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-20612

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin in build triggers. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Jenkins: 2.0 - 2.329

Jenkins LTS: 1.409.1 - 2.319.1

CPE2.3

• cpe:2.3:a:jenkins:jenkins:2.0:*:*:*:*:*:*:*
• cpe:2.3:a:jenkins:jenkins:2.1:*:*:*:*:*:*:*
• cpe:2.3:a:jenkins:jenkins:2.2:*:*:*:*:*:*:*
• cpe:2.3:a:jenkins:jenkins_lts:1.409.1:*:*:*:*:*:*:*
• cpe:2.3:a:jenkins:jenkins_lts:1.409.2:*:*:*:*:*:*:*
• cpe:2.3:a:jenkins:jenkins_lts:1.409.3:*:*:*:*:*:*:*

External links

http://jenkins.io/security/advisory/2022-01-12/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.