CVE-2017-1000400 : What You Need to Know

This CVE involves a vulnerability in Jenkins versions 2.73.1 and earlier, as well as 2.83 and earlier, related to the remote API endpoint. The issue allowed unauthorized access to certain project details.

Understanding CVE-2017-1000400

This CVE addresses a security flaw in Jenkins that exposed sensitive project information through the remote API.

What is CVE-2017-1000400?

The Jenkins versions mentioned had a remote API endpoint that disclosed details about projects, including inaccessible tasks, due to permission limitations. The updated API now only reveals authorized project information.

The Impact of CVE-2017-1000400

The vulnerability could potentially lead to unauthorized access to project data, compromising confidentiality and integrity.

Technical Details of CVE-2017-1000400

This section delves into the specifics of the vulnerability.

Vulnerability Description

The Jenkins remote API at /job/(job-name)/api exposed project details, including tasks inaccessible to users lacking proper permissions. The updated API restricts information to authorized projects.

Affected Systems and Versions

Jenkins versions 2.73.1 and earlier
Jenkins versions 2.83 and earlier

Exploitation Mechanism

Unauthorized users could exploit the vulnerability by accessing the remote API endpoint to view sensitive project information.

Mitigation and Prevention

Protecting systems from this vulnerability is crucial.

Immediate Steps to Take

Update Jenkins to the latest version to ensure the patched API is in place.
Review and adjust user permissions to limit access to sensitive project data.

Long-Term Security Practices

Regularly monitor and audit API endpoints for unauthorized access.
Educate users on proper data access protocols to prevent inadvertent exposure.

Patching and Updates

Apply security patches promptly to Jenkins to mitigate the vulnerability and enhance system security.