CVE-2019-10436 Explained : Impact and Mitigation

The Jenkins Google OAuth Credentials Plugin 0.9 and earlier versions are affected by a vulnerability that allows attackers with job and credential configuration access to retrieve any file content stored on the Jenkins master.

Understanding CVE-2019-10436

This CVE identifies an arbitrary file read vulnerability in the Jenkins Google OAuth Credentials Plugin.

What is CVE-2019-10436?

The vulnerability in the Jenkins Google OAuth Credentials Plugin 0.9 and earlier versions enables attackers with specific access to read any file on the Jenkins master.

The Impact of CVE-2019-10436

Attackers with job and credential configuration access in Jenkins can exploit this vulnerability to access sensitive information stored on the Jenkins master.

Technical Details of CVE-2019-10436

The technical details of this CVE include:

Vulnerability Description

The Jenkins Google OAuth Credentials Plugin 0.9 and earlier versions allow attackers to read any file on the Jenkins master.

Affected Systems and Versions

Product: Jenkins Google OAuth Credentials Plugin
Vendor: Jenkins project
Versions Affected: 0.9 and earlier

Exploitation Mechanism

Attackers with job and credential configuration access in Jenkins can exploit this vulnerability to retrieve the content of any file on the Jenkins master.

Mitigation and Prevention

To address CVE-2019-10436, consider the following steps:

Immediate Steps to Take

Upgrade the Jenkins Google OAuth Credentials Plugin to a non-vulnerable version.
Restrict access to job and credential configurations in Jenkins.

Long-Term Security Practices

Regularly monitor and audit access controls in Jenkins.
Implement the principle of least privilege to limit access to sensitive information.

Patching and Updates

Apply security patches and updates provided by Jenkins to fix the vulnerability.