CVE-2017-2606 Explained : Impact and Mitigation

Jenkins, prior to versions 2.44 and 2.32.2, has a vulnerability in its internal API that exposes information to unauthorized users. This impacts anonymous users, allowing them to access item lists through an UnprotectedRootAction.

Understanding CVE-2017-2606

This CVE involves a security vulnerability in Jenkins that affects specific versions and allows unauthorized access to sensitive information.

What is CVE-2017-2606?

CVE-2017-2606 is a vulnerability in Jenkins versions 2.44 and 2.32.2 that exposes information to anonymous users, enabling them to retrieve a list of items through an UnprotectedRootAction.

The Impact of CVE-2017-2606

Confidentiality Impact: Low
Integrity Impact: None
Base Score: 4.3 (Medium Severity)
Attack Vector: Network
Privileges Required: Low

Technical Details of CVE-2017-2606

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in Jenkins versions 2.44 and 2.32.2 exposes information that should not be visible to anonymous users, allowing them to access item lists.

Affected Systems and Versions

Affected Systems: Jenkins
Vulnerable Versions:
Jenkins 2.44
Jenkins 2.32.2

Exploitation Mechanism

The vulnerability can be exploited by anonymous users to obtain a list of items through an UnprotectedRootAction in Jenkins.

Mitigation and Prevention

Protecting systems from CVE-2017-2606 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Jenkins to versions 2.44 or higher to mitigate the vulnerability.
Restrict access to sensitive information for anonymous users.

Long-Term Security Practices

Regularly monitor and update Jenkins to the latest secure versions.
Implement access controls to prevent unauthorized access to sensitive data.

Patching and Updates

Apply patches provided by Jenkins to address the vulnerability and enhance system security.