CVE-2019-10355 : What You Need to Know

A vulnerability in Jenkins Script Security Plugin versions 1.61 and earlier allowed attackers to execute arbitrary code in sandboxed scripts. This CVE-2019-10355 impacts Jenkins project.

Understanding CVE-2019-10355

This CVE involves a sandbox bypass vulnerability in the Jenkins Script Security Plugin.

What is CVE-2019-10355?

This CVE refers to a security flaw in Jenkins Script Security Plugin versions 1.61 and earlier, enabling attackers to run arbitrary code within sandboxed scripts.

The Impact of CVE-2019-10355

The vulnerability could be exploited by attackers to execute unauthorized code within the context of sandboxed scripts, potentially leading to serious security breaches.

Technical Details of CVE-2019-10355

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability in Jenkins Script Security Plugin versions 1.61 and earlier allowed for the execution of arbitrary code within sandboxed scripts due to a flaw in how type casts were handled.

Affected Systems and Versions

Product: Jenkins Script Security Plugin
Vendor: Jenkins project
Versions Affected: 1.61 and earlier

Exploitation Mechanism

Attackers could exploit this vulnerability by manipulating type casts, enabling them to execute unauthorized code within sandboxed scripts.

Mitigation and Prevention

Protecting systems from CVE-2019-10355 requires immediate action and long-term security practices.

Immediate Steps to Take

Update Jenkins Script Security Plugin to the latest version that includes a patch for this vulnerability.
Monitor and restrict script execution permissions within Jenkins.

Long-Term Security Practices

Regularly review and update Jenkins plugins to ensure all security patches are applied promptly.
Implement strict access controls and permissions to limit the execution of potentially harmful scripts.

Patching and Updates

Apply all relevant security patches and updates provided by Jenkins to mitigate the risk of exploitation.