CVE-2023-46655 : What You Need to Know

A detailed overview of CVE-2023-46655 focusing on the impact, technical details, and mitigation strategies.

Understanding CVE-2023-46655

Exploring the vulnerability identified as CVE-2023-46655 and its implications.

What is CVE-2023-46655?

The vulnerability exists in the Jenkins CloudBees CD Plugin where version 1.1.32 and earlier allow symbolic links to external locations during artifact publication, potentially enabling attackers to upload arbitrary files to the configured CloudBees CD server.

The Impact of CVE-2023-46655

This vulnerability could be leveraged by malicious actors with job configuration privileges to compromise the integrity of the Jenkins controller file system by publishing unauthorized files to the CloudBees CD server.

Technical Details of CVE-2023-46655

Delving into the specifics of the CVE-2023-46655 vulnerability to better understand its scope.

Vulnerability Description

Jenkins CloudBees CD Plugin versions 1.1.32 and earlier are susceptible to a security flaw that permits the following of symbolic links to directories beyond the intended artifact publication directory, allowing unauthorized file uploads to the CloudBees CD server.

Affected Systems and Versions

The impacted systems include instances running Jenkins with the CloudBees CD Plugin version less than or equal to 1.1.32.

Exploitation Mechanism

Attackers who can configure Jenkins jobs could potentially exploit this vulnerability to manipulate artifact publishing, transferring unauthorized files to the CloudBees CD server.

Mitigation and Prevention

Guidance on addressing the CVE-2023-46655 vulnerability to enhance system security and prevent exploitation.

Immediate Steps to Take

Administrators should consider updating the Jenkins CloudBees CD Plugin to a patched version beyond 1.1.32 to mitigate the risk of unauthorized file uploads.

Long-Term Security Practices

Implementing least privilege access controls, monitoring job configurations, and conducting regular security audits can help fortify Jenkins instances against similar vulnerabilities.

Patching and Updates

Stay informed about security advisories from Jenkins, promptly apply patches, and prioritize routine updates to safeguard the Jenkins environment from potential threats.