CVE-2023-50764 : Exploit Details and Defense Strategies

A detailed overview of the CVE-2023-50764 vulnerability in the Jenkins Scriptler Plugin.

Understanding CVE-2023-50764

In this section, we will delve into the particulars of CVE-2023-50764.

What is CVE-2023-50764?

The CVE-2023-50764 vulnerability affects Jenkins Scriptler Plugin version 342.v6a_89fd40f466 and earlier. It enables attackers with Scriptler/Configure permission to delete arbitrary files on the Jenkins controller file system.

The Impact of CVE-2023-50764

The exploitation of this vulnerability could lead to unauthorized modification or deletion of critical files, potentially resulting in a compromised Jenkins environment.

Technical Details of CVE-2023-50764

In this section, we will explore the technical aspects of CVE-2023-50764.

Vulnerability Description

The vulnerability lies in the Jenkins Scriptler Plugin's failure to restrict a file name query parameter in an HTTP endpoint, allowing malicious actors to manipulate file deletion operations.

Affected Systems and Versions

The vulnerability impacts Jenkins Scriptler Plugin versions prior to 342.v6a_89fd40f466.

Exploitation Mechanism

Attackers with Scriptler/Configure permission can exploit this vulnerability to delete files on the Jenkins controller file system.

Mitigation and Prevention

Safeguarding strategies and best practices to mitigate the risks associated with CVE-2023-50764.

Immediate Steps to Take

Administrators should update Jenkins Scriptler Plugin to a non-impacted version, restrict access to Scriptler/Configure permissions, and monitor file system activities for suspicious behavior.

Long-Term Security Practices

Implementing the principle of least privilege, conducting regular security audits, and educating users on secure coding practices can enhance the overall security posture.

Patching and Updates

Stay informed about security advisories from Jenkins Project, apply patches promptly, and keep Jenkins and its plugins up-to-date to address known vulnerabilities.