CVE-2019-10306 Explained : Impact and Mitigation
Learn about CVE-2019-10306, a Jenkins ontrack Plugin vulnerability allowing attackers to execute arbitrary code on the Jenkins master JVM. Find mitigation steps and prevention measures.
The Jenkins ontrack Plugin version 3.4 and earlier had a vulnerability that allowed attackers to execute arbitrary code on the Jenkins master JVM.
Understanding CVE-2019-10306
This CVE involves a sandbox bypass vulnerability in the Jenkins ontrack Plugin, enabling attackers to execute unauthorized code on the Jenkins master JVM.
What is CVE-2019-10306?
This CVE refers to a security flaw in the Jenkins ontrack Plugin version 3.4 and earlier, permitting attackers with control over ontrack DSL definitions to run any code on the Jenkins master JVM.
The Impact of CVE-2019-10306
The vulnerability could be exploited by malicious actors to bypass sandbox security measures, leading to unauthorized code execution on the Jenkins master JVM.
Technical Details of CVE-2019-10306
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The Jenkins ontrack Plugin version 3.4 and earlier were susceptible to a sandbox bypass vulnerability, allowing attackers to execute arbitrary code on the Jenkins master JVM.
Affected Systems and Versions
- Product: Jenkins ontrack Plugin
- Vendor: Jenkins project
- Vulnerable Versions: 3.4 and earlier
Exploitation Mechanism
Attackers with control over ontrack DSL definitions could exploit this vulnerability to execute any desired code on the Jenkins master JVM.
Mitigation and Prevention
Protecting systems from CVE-2019-10306 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update the Jenkins ontrack Plugin to a non-vulnerable version.
- Monitor and restrict access to ontrack DSL definitions.
Long-Term Security Practices
- Regularly update Jenkins and its plugins to the latest secure versions.
- Implement least privilege access controls to limit potential attack surfaces.
- Conduct security audits and penetration testing to identify and address vulnerabilities.
Patching and Updates
Ensure timely patching of Jenkins ontrack Plugin and other software components to mitigate security risks.