CVE-2022-20617 : Vulnerability Insights and Analysis

A critical vulnerability has been identified in Jenkins Docker Commons Plugin version 1.17 and earlier. This vulnerability could allow attackers with specific permissions to execute arbitrary OS commands, posing a serious security risk.

Understanding CVE-2022-20617

This CVE-2022-20617 affects the Jenkins Docker Commons Plugin, specifically version 1.17 and earlier. The vulnerability arises due to improper sanitization of image or tag names, enabling attackers to execute malicious commands.

What is CVE-2022-20617?

The Jenkins Docker Commons Plugin version 1.17 and earlier lack proper sanitization of image or tag names, leading to an OS command execution vulnerability. This flaw could be exploited by malicious actors with specific permissions.

The Impact of CVE-2022-20617

The vulnerability allows attackers with Item/Configure permission or control over a job's SCM repository contents to execute arbitrary OS commands. This could result in unauthorized access, data theft, or system compromise.

Technical Details of CVE-2022-20617

The technical aspects of CVE-2022-20617 involve:

Vulnerability Description

The Jenkins Docker Commons Plugin version 1.17 and earlier do not sanitize the name of an image or tag properly, creating an avenue for OS command injection attacks.

Affected Systems and Versions

Affected systems include those running Jenkins Docker Commons Plugin versions 1.17 and earlier, where the vulnerability resides. Users of these versions are at risk of exploitation.

Exploitation Mechanism

Attackers with Item/Configure permissions or control over a job's SCM repository can exploit this vulnerability by injecting malicious commands into the image or tag names.

Mitigation and Prevention

To address CVE-2022-20617, consider the following steps:

Immediate Steps to Take

Update Jenkins Docker Commons Plugin to version 1.18 or later, where the vulnerability is patched.
Restrict permissions to mitigate the risk of unauthorized access and command execution.

Long-Term Security Practices

Regularly monitor security advisories from Jenkins and apply patches promptly to protect against known vulnerabilities.
Implement least privilege access controls to limit the impact of potential security breaches.

Patching and Updates

Stay informed about security updates for Jenkins Docker Commons Plugin and promptly apply patches to secure your systems against known vulnerabilities.