CVE-2022-28134 : Exploit Details and Defense Strategies

This article provides an overview of CVE-2022-28134, a vulnerability found in the Jenkins Bitbucket Server Integration Plugin.

Understanding CVE-2022-28134

CVE-2022-28134 is a security flaw identified in the Jenkins Bitbucket Server Integration Plugin that could be exploited by attackers with Overall/Read permission.

What is CVE-2022-28134?

The Jenkins Bitbucket Server Integration Plugin version 3.1.0 and earlier lacks proper permission checks in various HTTP endpoints, enabling unauthorized users to perform actions such as creating, viewing, and deleting BitBucket Server consumers.

The Impact of CVE-2022-28134

This vulnerability allows malicious actors with the required permissions to manipulate BitBucket Server consumers, potentially leading to unauthorized access to sensitive data or disruptions in the integrated workflow.

Technical Details of CVE-2022-28134

Vulnerability Description

The issue arises from the plugin's failure to enforce adequate access controls, creating an avenue for exploitation by individuals possessing specific permissions within the Jenkins environment.

Affected Systems and Versions

The Jenkins Bitbucket Server Integration Plugin versions equal to or less than 3.1.0 are confirmed to be impacted by this vulnerability.

Exploitation Mechanism

Attackers with Overall/Read permission in the Jenkins system can exploit the lack of permission checks in the plugin's HTTP endpoints to carry out unauthorized actions on BitBucket Server consumers.

Mitigation and Prevention

Immediate Steps to Take

Users are advised to upgrade the Jenkins Bitbucket Server Integration Plugin to a patched version that addresses this vulnerability.

Long-Term Security Practices

Implement a comprehensive access control policy in Jenkins instances to restrict permissions based on the principle of least privilege, minimizing the impact of potential security issues.

Patching and Updates

Regularly monitor security advisories from Jenkins and apply updates promptly to safeguard against known vulnerabilities.