CVE-2020-2270 : What You Need to Know

Jenkins ClearCase Release Plugin 0.3 and earlier versions are susceptible to a stored cross-site scripting (XSS) vulnerability. Attackers with Job/Configure permission can exploit this issue.

Understanding CVE-2020-2270

Jenkins ClearCase Release Plugin 0.3 and earlier versions are affected by a stored XSS vulnerability that allows attackers with specific permissions to execute malicious scripts.

What is CVE-2020-2270?

This CVE refers to a security flaw in Jenkins ClearCase Release Plugin versions 0.3 and below, enabling stored cross-site scripting attacks.

The Impact of CVE-2020-2270

The vulnerability allows attackers with Job/Configure permission to execute arbitrary scripts, potentially compromising the integrity and security of the Jenkins environment.

Technical Details of CVE-2020-2270

Jenkins ClearCase Release Plugin 0.3 and earlier versions have the following technical details:

Vulnerability Description

The plugin fails to properly escape the composite baseline in the badge tooltip, leading to a stored cross-site scripting vulnerability.

Affected Systems and Versions

Product: Jenkins ClearCase Release Plugin
Vendor: Jenkins project
Versions Affected: 0.3 and earlier

Exploitation Mechanism

Attackers with Job/Configure permission can exploit the vulnerability by injecting malicious scripts through the composite baseline in the badge tooltip.

Mitigation and Prevention

To address CVE-2020-2270, consider the following mitigation strategies:

Immediate Steps to Take

Upgrade Jenkins ClearCase Release Plugin to a patched version.
Restrict Job/Configure permissions to trusted users.

Long-Term Security Practices

Regularly monitor and audit Jenkins plugins for security vulnerabilities.
Educate users on safe coding practices to prevent XSS attacks.

Patching and Updates

Apply security patches and updates promptly to mitigate known vulnerabilities in Jenkins plugins.