CVE-2019-10466 Explained : Impact and Mitigation

The Jenkins 360 FireLine Plugin has a vulnerability that allows attackers with specific access to exploit XML external entities (XXE) to extract confidential information or launch denial-of-service attacks.

Understanding CVE-2019-10466

This CVE involves a security flaw in the Jenkins 360 FireLine Plugin that can be abused by attackers with Overall/Read access.

What is CVE-2019-10466?

The vulnerability in the Jenkins 360 FireLine Plugin permits attackers to manipulate XML external entities, potentially leading to data extraction and other malicious activities.

The Impact of CVE-2019-10466

Attackers can exploit this vulnerability to extract sensitive data from the Jenkins agent, execute server-side request forgery, or conduct denial-of-service attacks.

Technical Details of CVE-2019-10466

This section delves into the specifics of the vulnerability.

Vulnerability Description

The XXE vulnerability in the Jenkins 360 FireLine Plugin allows malicious actors to abuse external entities, compromising data confidentiality and system integrity.

Affected Systems and Versions

Product: Jenkins 360 FireLine Plugin
Vendor: Jenkins project
Vulnerable Versions: 1.7.2 and earlier

Exploitation Mechanism

Attackers with Overall/Read access can trigger the vulnerability, forcing Jenkins to resolve external entities and enabling data extraction or attacks.

Mitigation and Prevention

Protecting systems from CVE-2019-10466 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update the Jenkins 360 FireLine Plugin to a non-vulnerable version.
Restrict access rights to minimize the risk of exploitation.

Long-Term Security Practices

Regularly monitor and audit Jenkins configurations and plugins.
Educate users on secure coding practices and the risks of XXE vulnerabilities.

Patching and Updates

Stay informed about security advisories from Jenkins project and promptly apply patches to address known vulnerabilities.