SB2024081207 - Multiple vulnerabilities in Jenkins and Jenkins LTS

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Improper access control (CVE-ID: CVE-2024-43044)

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions within the "ClassLoaderProxy#fetchJar" method in the Remoting library. A remote attacker can read arbitrary files on the Jenkins controller file system, leading to arbitrary code execution.

2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2024-43045)

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

The vulnerability exists due to application does not perform a permission check in an HTTP endpoint. A remote user can access or change other users' "My Views".

Remediation

Install update from vendor's website.

References

• https://www.jenkins.io/security/advisory/2024-08-07/#SECURITY-3430
• https://www.jenkins.io/security/advisory/2024-08-07/#SECURITY-3349