CVE-2017-1000093 : Security Advisory and Response

The Poll SCM Plugin in Jenkins was vulnerable to Cross-Site Request Forgery attacks due to not enforcing the requirement for API requests to be sent via the POST method.

Understanding CVE-2017-1000093

What is CVE-2017-1000093?

The Poll SCM Plugin in Jenkins allowed attackers to initiate polling of projects with a known name by not enforcing the POST method for API requests, making it susceptible to Cross-Site Request Forgery attacks.

The Impact of CVE-2017-1000093

This vulnerability could be exploited by malicious actors to manipulate the polling functionality of Jenkins projects, potentially leading to unauthorized access or data manipulation.

Technical Details of CVE-2017-1000093

Vulnerability Description

The Poll SCM Plugin in Jenkins did not require API requests to be sent via the POST method, enabling Cross-Site Request Forgery attacks and compromising the security of Jenkins projects.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: Not applicable

Exploitation Mechanism

Attackers could exploit this vulnerability to trigger polling of Jenkins projects with known names, bypassing security measures.

Mitigation and Prevention

Immediate Steps to Take

Update the Poll SCM Plugin to the latest version to patch the vulnerability.
Monitor Jenkins logs for any suspicious polling activities.

Long-Term Security Practices

Implement strict API request methods and authentication mechanisms in Jenkins configurations.
Regularly review and update Jenkins plugins to address security vulnerabilities.

Patching and Updates

Jenkins users should regularly check for plugin updates and apply patches promptly to mitigate security risks.