Jenkins Arbitrary File Read Vulnerability (CVE-2024-23897)

Fortiguard Security Advisory

What is the Vulnerability?
Cyber threat actors are actively targeting Jenkins which is a Java-based open-source automation server widely used by application developers. The critical vulnerability tracked as CVE-2024-23897 could enable remote code execution (RCE) potentially leading to unauthorized access and data compromise. Exploiting this vulnerability allows attackers to read any files on the Jenkins controller file system.FortiRecon ACI service has observed active and recent discussions in the Dark Web. Also, a Proof of Concept (PoC) exploit has been made publicly available which makes this vulnerability crucial for continuous monitoring and more exploitation activities.

What is the Vendor Solution?

Jenkins released a security advisory on January 24, 2024 about this vulnerability. [ Link ]

What FortiGuard Coverage is available?

FortiGuard Labs has provided protection via the IPS signature “Jenkins.LTS.Command.Line.Interface.Arbitrary.File.Read” which was released in early February to detect and block any attack attempts targeting the vulnerability (CVE-2024-23897).

FortiGuard Labs advises organizations to apply the latest Jenkins security updates and patches.