CVE-2018-1000412 : Vulnerability Insights and Analysis

Jenkins Jira Plugin version 3.0.1 and earlier contain a vulnerability that allows unauthorized access, potentially leading to credential exposure.

Understanding CVE-2018-1000412

This CVE involves an improper authorization issue in the Jenkins Jira Plugin, enabling attackers to manipulate Jenkins to connect to a specified URL and obtain credentials.

What is CVE-2018-1000412?

This vulnerability in the Jenkins Jira Plugin version 3.0.1 and earlier allows individuals with Overall/Read access to manipulate Jenkins into connecting to a URL specified by the attacker. Attackers can also extract credential IDs from another source, potentially compromising stored credentials.

The Impact of CVE-2018-1000412

The vulnerability could result in unauthorized access to Jenkins and the exposure of sensitive credentials stored within the system.

Technical Details of CVE-2018-1000412

Vulnerability Description

An improper authorization vulnerability exists in Jenkins Jira Plugin 3.0.1 and earlier in JiraSite.java, enabling attackers to connect Jenkins to an attacker-specified URL using obtained credentials IDs.

Affected Systems and Versions

Product: Jenkins Jira Plugin
Vendor: Jenkins
Versions affected: 3.0.1 and earlier

Exploitation Mechanism

Attackers with Overall/Read access can manipulate Jenkins to connect to a specified URL and extract credential IDs from another source, potentially compromising stored credentials.

Mitigation and Prevention

Immediate Steps to Take

Update Jenkins Jira Plugin to the latest version.
Monitor Jenkins logs for any suspicious activities.
Restrict Overall/Read access to minimize the attack surface.

Long-Term Security Practices

Regularly review and update Jenkins plugins.
Implement least privilege access controls.
Conduct security training for Jenkins administrators and users.

Patching and Updates

Ensure timely installation of security patches and updates for Jenkins and its associated plugins.