CVE-2017-2604 : Exploit Details and Defense Strategies

Jenkins versions prior to 2.44 and 2.32.2 had a vulnerability (SECURITY-371) that allowed users with lower privileges to take action on administrative monitors due to inconsistent permission checks.

Understanding CVE-2017-2604

This CVE entry details a security vulnerability in Jenkins that could be exploited by users with lower privileges.

What is CVE-2017-2604?

CVE-2017-2604 is a vulnerability in Jenkins versions before 2.44 and 2.32.2 that enabled users with limited privileges to manipulate administrative monitors due to inadequate permission checks.

The Impact of CVE-2017-2604

The vulnerability could potentially lead to unauthorized actions by users with lower privileges, compromising the security and integrity of Jenkins instances.

Technical Details of CVE-2017-2604

This section provides technical insights into the vulnerability.

Vulnerability Description

Users with lower privileges in Jenkins versions prior to 2.44 and 2.32.2 could exploit a flaw (SECURITY-371) allowing them to interact with administrative monitors due to inconsistent permission checks.

Affected Systems and Versions

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

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: None
CVSS Base Score: 4.3 (Medium)

Mitigation and Prevention

Protecting systems from CVE-2017-2604 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Jenkins to version 2.44 or newer to mitigate the vulnerability.
Implement strict permission controls to limit user actions.

Long-Term Security Practices

Regularly review and update permission settings in Jenkins.
Educate users on security best practices to prevent unauthorized actions.

Patching and Updates

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