CVE-2017-2601 Explained : Impact and Mitigation

CVE-2017-2601, a vulnerability in Jenkins versions 2.44 and 2.32.2, allowed users with job configuration privileges to inject JavaScript into parameter names and descriptions.

Understanding CVE-2017-2601

What is CVE-2017-2601?

The vulnerability (SECURITY-353) in Jenkins versions 2.44 and 2.32.2 enabled users to perform cross-site scripting attacks by injecting JavaScript into parameter names and descriptions.

The Impact of CVE-2017-2601

This vulnerability could be exploited by users with job configuration privileges to execute malicious scripts, potentially leading to unauthorized access or data manipulation within Jenkins environments.

Technical Details of CVE-2017-2601

Vulnerability Description

The security flaw in Jenkins versions 2.44 and 2.32.2 allowed for cross-site scripting attacks, posing a risk to the integrity and confidentiality of Jenkins instances.

Affected Systems and Versions

Vendor: Unspecified
Product: Jenkins
Affected Versions: Jenkins 2.44, Jenkins 2.32.2

Exploitation Mechanism

The vulnerability could be exploited by users with job configuration privileges to inject malicious JavaScript code into parameter names and descriptions, potentially compromising the security of Jenkins instances.

Mitigation and Prevention

Immediate Steps to Take

Update Jenkins to versions beyond 2.44 and 2.32.2 to mitigate the vulnerability.
Restrict job configuration privileges to trusted users to prevent unauthorized script injections.

Long-Term Security Practices

Regularly monitor and audit Jenkins configurations for any unauthorized changes.
Educate users on secure coding practices to prevent cross-site scripting vulnerabilities.

Patching and Updates

Apply security patches and updates provided by Jenkins to address known vulnerabilities and enhance the overall security posture of Jenkins environments.