CVE-2022-39311 Explained : Impact and Mitigation
Learn about CVE-2022-39311 affecting GoCD versions prior to 21.1.0. Understand the impact, technical details, and mitigation steps for this critical remote code execution vulnerability.
GoCD versions prior to 21.1.0 are vulnerable to remote code execution on the server from a malicious or compromised agent. This article provides an overview of CVE-2022-39311, its impact, technical details, and mitigation steps.
Understanding CVE-2022-39311
GoCD, a continuous delivery server, is susceptible to remote code execution due to a deserialization vulnerability in versions before 21.1.0.
What is CVE-2022-39311?
The vulnerability in GoCD allows a compromised agent to execute remote code on the server through the Spring RemoteInvocation endpoint, enabling the deserialization of arbitrary Java objects leading to remote code execution.
The Impact of CVE-2022-39311
The impact of this CVE is critical, with a CVSS base score of 9.1 (Critical). Attackers can exploit the vulnerability to compromise the server's confidentiality, integrity, and availability.
Technical Details of CVE-2022-39311
Vulnerability Description
The vulnerability arises from the exposure of the Spring RemoteInvocation endpoint, allowing malicious agents to deserialize Java objects and execute remote code on the GoCD server.
Affected Systems and Versions
All GoCD versions prior to 21.1.0 are affected by this vulnerability, putting servers at risk of remote code execution from compromised agents.
Exploitation Mechanism
Exploiting this vulnerability requires agent-level authentication. Attackers must compromise an existing agent, manipulate its network communication, or register a new agent to exploit the security flaw.
Mitigation and Prevention
Immediate Steps to Take
To mitigate the risk associated with CVE-2022-39311, it is essential to update GoCD to version 21.1.0 or later. Regular monitoring of agent activities and network traffic can help detect any suspicious behavior.
Long-Term Security Practices
Implement secure coding practices to prevent deserialization vulnerabilities. Regularly update GoCD and apply security patches promptly to protect the server from potential threats.
Patching and Updates
GoCD has released version 21.1.0, which addresses the CVE-2022-39311 vulnerability. Ensure timely patching and updates to maintain a secure deployment.