CVE-2018-1000198 : Security Advisory and Response

Jenkins Black Duck Hub Plugin 3.1.0 and older versions contain a vulnerability that allows attackers to exploit XML external entity processing.

Understanding CVE-2018-1000198

This CVE involves a security vulnerability in Jenkins Black Duck Hub Plugin versions 3.1.0 and earlier, enabling attackers with specific permissions to manipulate XML documents.

What is CVE-2018-1000198?

A vulnerability in the PostBuildScanDescriptor.java file of Jenkins Black Duck Hub Plugin versions 3.1.0 and below allows attackers with Overall/Read permission to exploit XML external entity processing.

The Impact of CVE-2018-1000198

This vulnerability could be exploited by attackers with specific permissions to manipulate XML documents, potentially leading to unauthorized access or data manipulation.

Technical Details of CVE-2018-1000198

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Jenkins Black Duck Hub Plugin versions 3.1.0 and earlier allows attackers with Overall/Read permission to manipulate XML documents and exploit XML external entity processing.

Affected Systems and Versions

Affected Product: Jenkins Black Duck Hub Plugin
Affected Versions: 3.1.0 and older

Exploitation Mechanism

Attackers with Overall/Read permission can exploit the vulnerability in the PostBuildScanDescriptor.java file to manipulate XML documents and trigger XML external entity processing.

Mitigation and Prevention

Protecting systems from CVE-2018-1000198 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Jenkins Black Duck Hub Plugin to the latest version to patch the vulnerability.
Restrict permissions to minimize the risk of unauthorized access.

Long-Term Security Practices

Regularly monitor and audit permissions within Jenkins to ensure least privilege access.
Educate users on secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Apply security patches promptly to Jenkins Black Duck Hub Plugin to address known vulnerabilities and enhance system security.