CVE-2022-27205 : What You Need to Know

This article provides insights into CVE-2022-27205, a vulnerability in Jenkins Extended Choice Parameter Plugin that could be exploited by attackers to connect to malicious URLs.

Understanding CVE-2022-27205

CVE-2022-27205 is a security flaw in the Jenkins Extended Choice Parameter Plugin that allows attackers with Overall/Read permission to connect to a URL specified by the attacker.

What is CVE-2022-27205?

The vulnerability in Jenkins Extended Choice Parameter Plugin versions 346.vd87693c5a_86c and earlier arises from a missing permission check, enabling unauthorized users to access specified URLs.

The Impact of CVE-2022-27205

Attackers with malicious intent could exploit this vulnerability to establish connections to URLs of their choice, potentially leading to unauthorized data access or system compromise.

Technical Details of CVE-2022-27205

Here are the technical aspects of CVE-2022-27205:

Vulnerability Description

A missing permission check in Jenkins Extended Choice Parameter Plugin versions 346.vd87693c5a_86c and earlier exposes a security loophole allowing attackers with Overall/Read permission to connect to attacker-specified URLs.

Affected Systems and Versions

The vulnerability impacts Jenkins Extended Choice Parameter Plugin versions less than or equal to 346.vd87693c5a_86c, with an unknown impact on versions beyond this range.

Exploitation Mechanism

Exploiting this vulnerability requires an attacker to have Overall/Read permission, giving them the ability to establish connections to URLs they specify.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-27205, consider the following preventive measures:

Immediate Steps to Take

Update the Jenkins Extended Choice Parameter Plugin to a patched version that addresses the permission check issue.
Restrict Overall/Read permissions to authorized users only.

Long-Term Security Practices

Regularly monitor and update Jenkins plugins to stay protected against emerging vulnerabilities.
Conduct security training for users with elevated permissions to prevent unauthorized access.

Patching and Updates

Stay informed about security advisories from Jenkins project and promptly apply recommended patches to safeguard your systems against known vulnerabilities.