CVE-2019-10392 : Vulnerability Insights and Analysis

The Jenkins Git Client Plugin versions 2.8.4 and earlier, as well as 3.0.0-rc, had a vulnerability that allowed OS command injection due to inadequate restrictions on URL arguments.

Understanding CVE-2019-10392

This CVE pertains to a security issue in the Jenkins Git Client Plugin that could be exploited for OS command injection.

What is CVE-2019-10392?

CVE-2019-10392 is a vulnerability in the Jenkins Git Client Plugin versions 2.8.4 and earlier, and 3.0.0-rc, allowing malicious actors to execute arbitrary commands through URL arguments.

The Impact of CVE-2019-10392

The vulnerability could lead to unauthorized execution of commands on the underlying operating system, potentially compromising the integrity and security of the affected systems.

Technical Details of CVE-2019-10392

The technical aspects of the CVE provide insights into the nature of the vulnerability and its implications.

Vulnerability Description

The Jenkins Git Client Plugin versions 2.8.4 and earlier, as well as 3.0.0-rc, lacked proper validation of URL arguments passed to the 'git ls-remote' function, enabling malicious users to inject and execute arbitrary OS commands.

Affected Systems and Versions

Jenkins Git Client Plugin versions 2.8.4 and earlier
Jenkins Git Client Plugin version 3.0.0-rc

Exploitation Mechanism

The vulnerability stemmed from the lack of adequate input validation on URL arguments provided to the 'git ls-remote' function, allowing threat actors to insert malicious commands for execution.

Mitigation and Prevention

Addressing CVE-2019-10392 requires immediate actions and long-term security measures to prevent exploitation and enhance system resilience.

Immediate Steps to Take

Update the Jenkins Git Client Plugin to a patched version that addresses the vulnerability.
Implement strict input validation mechanisms to prevent unauthorized command execution.

Long-Term Security Practices

Regularly monitor and audit system logs for any suspicious activities.
Conduct security training for personnel to raise awareness about potential threats and best practices.

Patching and Updates

Apply security patches and updates promptly to ensure that known vulnerabilities are mitigated effectively.