CVE-2019-10341 Explained : Impact and Mitigation

The Jenkins Docker Plugin version 1.1.6 and earlier had a vulnerability related to a missing permission check in the DockerAPI.DescriptorImpl#doTestConnection function, allowing unauthorized access to URLs and credentials.

Understanding CVE-2019-10341

This CVE involves a security vulnerability in the Jenkins Docker Plugin version 1.1.6 and earlier.

What is CVE-2019-10341?

This CVE identifies a flaw in the Jenkins Docker Plugin that could be exploited by users with Overall/Read access to connect to a specified URL provided by an attacker, potentially compromising credentials stored in Jenkins.

The Impact of CVE-2019-10341

The vulnerability could lead to unauthorized access to URLs and credentials stored in Jenkins, posing a risk of data exposure and potential misuse by malicious actors.

Technical Details of CVE-2019-10341

The technical aspects of the vulnerability in the Jenkins Docker Plugin version 1.1.6 and earlier.

Vulnerability Description

The vulnerability stemmed from a missing permission check in the DockerAPI.DescriptorImpl#doTestConnection function, enabling users with Overall/Read access to connect to attacker-specified URLs and credentials IDs.

Affected Systems and Versions

Product: Jenkins Docker Plugin
Vendor: Jenkins project
Vulnerable Versions: 1.1.6 and earlier

Exploitation Mechanism

The attacker could exploit the vulnerability by leveraging Overall/Read access to connect to a specified URL provided by the attacker, potentially capturing sensitive credentials stored in Jenkins.

Mitigation and Prevention

Steps to mitigate and prevent the exploitation of CVE-2019-10341.

Immediate Steps to Take

Update the Jenkins Docker Plugin to a non-vulnerable version.
Restrict access permissions to prevent unauthorized users from connecting to URLs.
Monitor and audit connections to detect any suspicious activities.

Long-Term Security Practices

Regularly review and update security configurations in Jenkins.
Educate users on secure credential management practices.
Implement multi-factor authentication for enhanced security.

Patching and Updates

Apply patches and updates provided by Jenkins project to address the vulnerability and enhance the security of the Docker Plugin.