CVE-2018-1000112 : Vulnerability Insights and Analysis

The Jenkins Mercurial Plugin version 2.2 and earlier contains a vulnerability that could be exploited by an unauthorized individual to acquire a roster of nodes and users.

Understanding CVE-2018-1000112

This CVE identifies an improper authorization vulnerability in the Jenkins Mercurial Plugin.

What is CVE-2018-1000112?

This CVE refers to a security flaw in the MercurialStatus.java file of Jenkins Mercurial Plugin versions 2.2 and earlier. It allows attackers with network access to gather information about nodes and users.

The Impact of CVE-2018-1000112

The vulnerability could be exploited by unauthorized individuals to access sensitive information within the Jenkins environment, potentially leading to further security breaches.

Technical Details of CVE-2018-1000112

The technical aspects of this CVE are as follows:

Vulnerability Description

The vulnerability lies in the improper authorization implementation within the MercurialStatus.java file of Jenkins Mercurial Plugin versions 2.2 and earlier.

Affected Systems and Versions

Product: Jenkins Mercurial Plugin
Vendor: Jenkins
Versions affected: 2.2 and earlier

Exploitation Mechanism

Attackers with network access can exploit this vulnerability to gather a list of nodes and users within the Jenkins environment.

Mitigation and Prevention

To address CVE-2018-1000112, consider the following steps:

Immediate Steps to Take

Upgrade Jenkins Mercurial Plugin to a non-vulnerable version.
Restrict network access to Jenkins to trusted entities.

Long-Term Security Practices

Regularly monitor and audit access logs within Jenkins.
Implement the principle of least privilege to restrict unauthorized access.

Patching and Updates

Stay informed about security advisories from Jenkins.
Apply patches and updates promptly to mitigate known vulnerabilities.