CVE-2020-2288 : Security Advisory and Response

Jenkins Audit Trail Plugin 3.6 and earlier versions are affected by a vulnerability that allows bypassing the default regular expression pattern, potentially leading to security issues.

Understanding CVE-2020-2288

This CVE involves a security vulnerability in the Jenkins Audit Trail Plugin that could be exploited to bypass the default regular expression pattern.

What is CVE-2020-2288?

In Jenkins Audit Trail Plugin 3.6 and earlier, a flaw exists where the default regular expression pattern can be circumvented by appending a suffix to the URL, which is disregarded during request processing.

The Impact of CVE-2020-2288

This vulnerability could be exploited by attackers to evade security measures and potentially perform unauthorized actions within the affected Jenkins environment.

Technical Details of CVE-2020-2288

The technical aspects of this CVE are as follows:

Vulnerability Description

The vulnerability in Jenkins Audit Trail Plugin allows malicious actors to bypass the default regular expression pattern by adding a suffix to the URL, which is not properly handled during request processing.

Affected Systems and Versions

Affected Product: Jenkins Audit Trail Plugin
Vendor: Jenkins project
Affected Versions: <= 3.6 (unspecified version type: custom)

Exploitation Mechanism

The vulnerability can be exploited by appending a specific suffix to the URL, which the system fails to validate correctly, enabling attackers to bypass security controls.

Mitigation and Prevention

To address CVE-2020-2288 and enhance security, consider the following measures:

Immediate Steps to Take

Update Jenkins Audit Trail Plugin to a patched version.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Regularly review and update security configurations.
Conduct security audits and penetration testing to identify vulnerabilities.

Patching and Updates

Apply security patches promptly to mitigate known vulnerabilities and enhance system security.