CVE-2022-23113 : Security Advisory and Response

Jenkins Publish Over SSH Plugin 1.22 and earlier versions have been found to have a path traversal vulnerability, allowing attackers with Item/Configure permission to discover the name of the Jenkins controller files.

Understanding CVE-2022-23113

This CVE affects the Jenkins Publish Over SSH Plugin, specifically versions 1.22 and earlier, due to improper validation of file names, resulting in a security issue that could be exploited by attackers.

What is CVE-2022-23113?

CVE-2022-23113 is a vulnerability in the Jenkins Publish Over SSH Plugin that enables attackers with certain permissions to perform a path traversal attack, potentially leading to unauthorized access to sensitive information.

The Impact of CVE-2022-23113

The impact of this CVE is significant as it allows malicious actors to gain insight into the Jenkins controller files, which may contain critical configuration details and other sensitive information.

Technical Details of CVE-2022-23113

The following technical details are associated with CVE-2022-23113:

Vulnerability Description

Jenkins Publish Over SSH Plugin 1.22 and earlier versions do not adequately validate file names, creating an opportunity for attackers to exploit a path traversal vulnerability.

Affected Systems and Versions

The vulnerability affects versions of the plugin equal to or less than 1.22, providing attackers with Item/Configure permission an avenue to extract Jenkins controller file names.

Exploitation Mechanism

By leveraging the path traversal vulnerability within the Jenkins Publish Over SSH Plugin, attackers can manipulate file name validations to access sensitive Jenkins controller files.

Mitigation and Prevention

To address CVE-2022-23113 and enhance security measures, consider the following mitigation strategies:

Immediate Steps to Take

Update the Jenkins Publish Over SSH Plugin to a non-vulnerable version.
Review and adjust user permissions to minimize the risk of unauthorized access.

Long-Term Security Practices

Regularly monitor Jenkins system logs for any unauthorized access attempts.
Conduct security training for personnel with access to Jenkins configurations.

Patching and Updates

Stay informed about security advisories related to Jenkins plugins and ensure timely application of patches and updates to prevent exploitation of known vulnerabilities.