CVE-2018-1000068 : Security Advisory and Response

A vulnerability in Jenkins versions 2.106 and older, as well as LTS 2.89.3 and older, allows unauthorized access to plugin resource files in specific directories.

Understanding CVE-2018-1000068

This CVE involves improper input validation in Jenkins, potentially leading to unauthorized access to sensitive files.

What is CVE-2018-1000068?

The vulnerability allows attackers to gain unauthorized access to plugin resource files in directories not meant to be accessible.
The exploit requires the Jenkins home directory to be on a case-insensitive file system.

The Impact of CVE-2018-1000068

Attackers can access plugin resource files in directories META-INF and WEB-INF, compromising sensitive information.

Technical Details of CVE-2018-1000068

This section provides technical insights into the vulnerability.

Vulnerability Description

Jenkins versions 2.106 and earlier, and LTS 2.89.3 and earlier, are affected.

Affected Systems and Versions

Jenkins versions 2.106 and older, as well as LTS 2.89.3 and older.

Exploitation Mechanism

Unauthorized access to plugin resource files in the directories META-INF and WEB-INF.

Mitigation and Prevention

Protect your systems from CVE-2018-1000068 with these measures.

Immediate Steps to Take

Update Jenkins to a non-vulnerable version.
Restrict access to sensitive directories.

Long-Term Security Practices

Regularly monitor and audit file system access.
Implement secure file system configurations.

Patching and Updates

Apply patches provided by Jenkins to fix the vulnerability.