CVE-2023-46654 : Exploit Details and Defense Strategies

A detailed overview of CVE-2023-46654 highlighting the impact, technical details, and mitigation strategies.

Understanding CVE-2023-46654

An examination of the vulnerability affecting Jenkins CloudBees CD Plugin versions 1.1.32 and earlier.

What is CVE-2023-46654?

The vulnerability allows attackers with job configuration capabilities to delete arbitrary files on the Jenkins controller file system by exploiting symbolic links during the cleanup process of the 'CloudBees CD - Publish Artifact' post-build step.

The Impact of CVE-2023-46654

This vulnerability poses a significant security risk as it enables unauthorized access to and deletion of critical files on the Jenkins controller file system, potentially leading to data loss or system compromise.

Technical Details of CVE-2023-46654

Exploring the specifics of the vulnerability, affected systems, and potential exploitation methods.

Vulnerability Description

Jenkins CloudBees CD Plugin 1.1.32 and earlier fail to properly handle symbolic links, allowing attackers to delete files outside the expected directory, compromising system integrity.

Affected Systems and Versions

The vulnerability impacts Jenkins CloudBees CD Plugin versions 1.1.32 and earlier, exposing systems with these versions to exploitation.

Exploitation Mechanism

By manipulating job configurations to utilize symbolic links during the 'CloudBees CD - Publish Artifact' post-build step, attackers can delete crucial files on the Jenkins controller file system.

Mitigation and Prevention

Strategies to mitigate the risks associated with CVE-2023-46654 and prevent potential attacks.

Immediate Steps to Take

Users are advised to update Jenkins CloudBees CD Plugin to a version beyond 1.1.32, implement access controls to restrict job configuration privileges, and monitor file system changes for suspicious activity.

Long-Term Security Practices

Practicing the principle of least privilege, conducting regular security assessments, and staying informed about the latest Jenkins security advisories are essential for bolstering long-term security.

Patching and Updates

Regularly applying security patches and updates provided by Jenkins Project is crucial to address known vulnerabilities and enhance system resilience.