CVE-2017-2602 : Vulnerability Insights and Analysis

Jenkins versions prior to 2.44 and 2.32.2 have a vulnerability in the agent-to-master security subsystem, allowing malicious agents to write to Pipeline metadata files, posing security risks.

Understanding CVE-2017-2602

This CVE involves a security vulnerability in Jenkins versions before 2.44 and 2.32.2, impacting the agent-to-master security subsystem.

What is CVE-2017-2602?

Jenkins versions prior to 2.44 and 2.32.2 have a vulnerability in the agent-to-master security subsystem where the Pipeline metadata files are not properly blacklisted. As a result, malicious agents can potentially write to these metadata files, exposing them to security risks (SECURITY-358).

The Impact of CVE-2017-2602

CVSS Score: 3.1 (Low Severity)
Attack Vector: Network
Attack Complexity: High
Integrity Impact: Low
Privileges Required: Low
CWE ID: CWE-184

Technical Details of CVE-2017-2602

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability in Jenkins versions before 2.44 and 2.32.2 allows malicious agents to write to Pipeline metadata files due to improper blacklisting, leading to potential security risks.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by malicious agents to write to Pipeline metadata files, compromising the security of the system.

Mitigation and Prevention

Protect your systems from CVE-2017-2602 with the following steps:

Immediate Steps to Take

Update Jenkins to version 2.44 or newer to mitigate the vulnerability.
Monitor and restrict access to Pipeline metadata files.

Long-Term Security Practices

Regularly update Jenkins and apply security patches promptly.
Implement access controls and monitoring mechanisms to detect unauthorized access.

Patching and Updates

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