CVE-2017-1000395 : What You Need to Know

Jenkins versions prior to 2.73.1 and 2.83 had a vulnerability that allowed users with Overall/Read permissions to access sensitive information about user accounts. This CVE addresses the issue and provides details on mitigation.

Understanding CVE-2017-1000395

This CVE pertains to a security vulnerability in Jenkins that exposed user account information to unauthorized users.

What is CVE-2017-1000395?

Jenkins versions before 2.73.1 and 2.83 allowed users with specific permissions to access user account details, including email addresses, through the /user/(username)/api remote API.

The Impact of CVE-2017-1000395

The vulnerability could lead to unauthorized access to sensitive user information, potentially compromising user privacy and security.

Technical Details of CVE-2017-1000395

This section provides more in-depth technical information about the CVE.

Vulnerability Description

Jenkins versions prior to 2.73.1 and 2.83 exposed user account information, such as email addresses, to users with Overall/Read permissions via the /user/(username)/api remote API.

Affected Systems and Versions

Jenkins versions before 2.73.1
Jenkins versions before 2.83

Exploitation Mechanism

Unauthorized users with Overall/Read permissions could exploit the vulnerability by accessing the /user/(username)/api remote API to retrieve sensitive user information.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent vulnerabilities like CVE-2017-1000395.

Immediate Steps to Take

Update Jenkins to version 2.73.1 or later.
Disable access to the /user/(username)/api remote API for non-administrative users.

Long-Term Security Practices

Regularly review and adjust user permissions in Jenkins.
Educate users on the importance of data privacy and security.

Patching and Updates

Stay informed about security advisories and updates from Jenkins.