CVE-2018-1000011 Explained : Impact and Mitigation

Jenkins FindBugs Plugin versions prior to 4.71 are vulnerable to XML external entity processing, enabling attackers with user privileges to extract sensitive data, launch server-side request forgery attacks, or conduct denial-of-service attacks.

Understanding CVE-2018-1000011

This CVE entry describes a security vulnerability in Jenkins FindBugs Plugin versions before 4.71 that could be exploited by malicious users with Jenkins user privileges.

What is CVE-2018-1000011?

Jenkins FindBugs Plugin versions prior to 4.71 mishandle XML external entities during the build process, creating a security risk for Jenkins instances.

The Impact of CVE-2018-1000011

The vulnerability allows attackers with user permissions in Jenkins to:

Extract sensitive information from the Jenkins master
Launch server-side request forgery attacks
Conduct denial-of-service attacks

Technical Details of CVE-2018-1000011

This section provides more in-depth technical insights into the CVE-2018-1000011 vulnerability.

Vulnerability Description

Jenkins FindBugs Plugin versions before 4.71 process XML external entities in files parsed during the build process, leading to security implications.

Affected Systems and Versions

Affected Product: Jenkins FindBugs Plugin
Vulnerable Versions: Prior to 4.71

Exploitation Mechanism

Attackers with user privileges in Jenkins can exploit this vulnerability to manipulate XML external entities, enabling various malicious activities.

Mitigation and Prevention

To address CVE-2018-1000011, follow these mitigation strategies:

Immediate Steps to Take

Update Jenkins FindBugs Plugin to version 4.71 or later
Restrict user privileges in Jenkins to minimize the impact of potential attacks

Long-Term Security Practices

Regularly monitor Jenkins security advisories and update plugins promptly
Implement least privilege principles for Jenkins users to limit exposure to vulnerabilities

Patching and Updates

Apply security patches and updates for Jenkins and its plugins regularly to address known vulnerabilities