CVE-2018-1000055 : What You Need to Know

Jenkins Android Lint Plugin 2.5 and earlier versions are susceptible to XML external entity attacks, potentially leading to data extraction, server-side request forgery, and denial-of-service threats.

Understanding CVE-2018-1000055

This CVE highlights a vulnerability in Jenkins Android Lint Plugin versions 2.5 and prior that could be exploited by attackers with user permissions in Jenkins.

What is CVE-2018-1000055?

The vulnerability allows attackers to manipulate XML external entities in files processed during the build process, enabling them to extract sensitive data from the Jenkins master and launch server-side request forgery or denial-of-service attacks.

The Impact of CVE-2018-1000055

Exploitation of this vulnerability can result in severe consequences, including unauthorized access to confidential information, potential server manipulation, and service disruption.

Technical Details of CVE-2018-1000055

Jenkins Android Lint Plugin 2.5 and earlier versions are affected by this vulnerability.

Vulnerability Description

The plugin mishandles XML external entities during the build process, allowing attackers to exploit user permissions in Jenkins for malicious activities.

Affected Systems and Versions

Product: Jenkins Android Lint Plugin
Vendor: Jenkins
Versions: 2.5 and earlier

Exploitation Mechanism

Attackers with user permissions in Jenkins can leverage the vulnerability to extract secrets from the Jenkins master, conduct server-side request forgery, or launch denial-of-service attacks.

Mitigation and Prevention

To address CVE-2018-1000055, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Update Jenkins Android Lint Plugin to the latest secure version.
Restrict user permissions in Jenkins to minimize the attack surface.
Monitor Jenkins logs for any suspicious activities.

Long-Term Security Practices

Regularly review and update Jenkins plugins to patch known vulnerabilities.
Implement network segmentation to isolate Jenkins servers from critical systems.

Patching and Updates

Apply security patches promptly to Jenkins and associated plugins.
Stay informed about security advisories from Jenkins to proactively address emerging threats.