CVE-2019-10399 : Exploit Details and Defense Strategies

An exploit was found in Jenkins Script Security Plugin versions 1.62 and before, enabling attackers to execute unauthorized code in sandboxed scripts.

Understanding CVE-2019-10399

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

What is CVE-2019-10399?

This vulnerability in Jenkins Script Security Plugin versions 1.62 and earlier allowed attackers to execute arbitrary code in sandboxed scripts by manipulating property names in property expressions.

The Impact of CVE-2019-10399

The vulnerability enabled unauthorized code execution in sandboxed scripts, posing a significant security risk to affected systems.

Technical Details of CVE-2019-10399

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability in Jenkins Script Security Plugin versions 1.62 and earlier was related to the handling of property names in property expressions within increment and decrement expressions.

Affected Systems and Versions

Product: Jenkins Script Security Plugin
Vendor: Jenkins project
Versions Affected: 1.62 and earlier

Exploitation Mechanism

Attackers could exploit this vulnerability by manipulating property names in property expressions within increment and decrement expressions to execute unauthorized code in sandboxed scripts.

Mitigation and Prevention

Protecting systems from CVE-2019-10399 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Jenkins Script Security Plugin to a non-vulnerable version.
Monitor for any unauthorized code execution in sandboxed scripts.

Long-Term Security Practices

Regularly update all Jenkins plugins to the latest secure versions.
Implement code review processes to detect and prevent vulnerabilities in scripts.

Patching and Updates

Ensure timely patching of Jenkins Script Security Plugin to address the vulnerability and prevent unauthorized code execution in sandboxed scripts.