SB2020031134 - Multiple vulnerabilities in Jenkins P4 Plugin

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Cross-site request forgery (CVE-ID: CVE-2020-2141)

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

The vulnerability exists due to several HTTP endpoints do not require POST requests. 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.

2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-2142)

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to the affected plugin does not perform permission checks in several HTTP endpoints. A remote user with Overall/Read access can trigger builds or add labels in the Perforce repository.

Remediation

Install update from vendor's website.

References

• http://www.openwall.com/lists/oss-security/2020/03/09/1
• https://jenkins.io/security/advisory/2020-03-09/#SECURITY-1765