CVE-2019-10393 : Security Advisory and Response
Learn about CVE-2019-10393, a vulnerability in Jenkins Script Security Plugin version 1.62 and earlier allowing attackers to execute arbitrary code. Find mitigation steps and preventive measures here.
The Jenkins Script Security Plugin version 1.62 and earlier had a vulnerability that could allow attackers to execute arbitrary code within a sandboxed environment.
Understanding CVE-2019-10393
This CVE relates to a specific vulnerability in the Jenkins Script Security Plugin.
What is CVE-2019-10393?
This CVE involves a sandbox bypass vulnerability in the Jenkins Script Security Plugin version 1.62 and earlier, allowing attackers to run arbitrary code within scripts operating in a sandbox environment.
The Impact of CVE-2019-10393
The vulnerability could be exploited by malicious actors to execute unauthorized code within the restricted script environment, potentially leading to unauthorized access or data manipulation.
Technical Details of CVE-2019-10393
This section provides more technical insights into the CVE.
Vulnerability Description
The Jenkins Script Security Plugin version 1.62 and below had a vulnerability related to the handling of method names in method call expressions, enabling attackers to execute arbitrary code within sandboxed scripts.
Affected Systems and Versions
- Product: Jenkins Script Security Plugin
- Vendor: Jenkins project
- Vulnerable Versions: 1.62 and earlier
Exploitation Mechanism
The vulnerability stemmed from improper handling of method names in method call expressions, allowing threat actors to bypass the sandbox restrictions and execute unauthorized code.
Mitigation and Prevention
Protective measures to address and prevent exploitation of this vulnerability.
Immediate Steps to Take
- Update the Jenkins Script Security Plugin to a non-vulnerable version.
- Monitor and restrict script execution permissions within Jenkins environments.
Long-Term Security Practices
- Regularly review and update Jenkins plugins to ensure the latest security patches are applied.
- Conduct security audits and penetration testing to identify and address potential vulnerabilities.
Patching and Updates
- Apply security patches and updates provided by Jenkins to address the vulnerability and enhance overall system security.