CVE-2018-1000191 Explained : Impact and Mitigation

A vulnerability in the Jenkins Black Duck Detect Plugin versions 1.4.0 and below allows attackers with Overall/Read access to expose sensitive information, leading to potential credential theft and unauthorized access.

Understanding CVE-2018-1000191

This CVE identifies a security flaw in the DetectPostBuildStepDescriptor.java file of the Jenkins Black Duck Detect Plugin.

What is CVE-2018-1000191?

The vulnerability enables attackers to exploit sensitive information exposure, allowing them to retrieve credentials IDs and connect to URLs specified by the attacker, potentially compromising Jenkins credentials.

The Impact of CVE-2018-1000191

The vulnerability poses a significant risk as it can lead to unauthorized access to sensitive information stored in Jenkins, potentially compromising the security and integrity of the system.

Technical Details of CVE-2018-1000191

This section provides detailed technical insights into the CVE.

Vulnerability Description

The vulnerability in DetectPostBuildStepDescriptor.java of Jenkins Black Duck Detect Plugin versions 1.4.0 and earlier exposes sensitive information, enabling attackers to access and misuse credentials stored in Jenkins.

Affected Systems and Versions

Product: Jenkins Black Duck Detect Plugin
Vendor: Jenkins
Versions affected: 1.4.0 and below

Exploitation Mechanism

Attackers with Overall/Read access can exploit the vulnerability to obtain credentials IDs.
By leveraging another method, attackers can connect to a URL specified by them, potentially leading to credential theft.

Mitigation and Prevention

Protecting systems from CVE-2018-1000191 is crucial to maintaining security.

Immediate Steps to Take

Update Jenkins Black Duck Detect Plugin to the latest version to patch the vulnerability.
Monitor and restrict access permissions to prevent unauthorized users from exploiting the vulnerability.

Long-Term Security Practices

Regularly review and update security configurations to address potential vulnerabilities promptly.
Conduct security training for users to enhance awareness of best practices and potential threats.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by Jenkins to address known vulnerabilities.