CVE-2018-1000410 : What You Need to Know

Jenkins versions 2.145 and earlier, LTS versions 2.138.1 and earlier, as well as the Stapler framework used by these releases, have a vulnerability that exposes information to attackers with specific permissions.

Understanding CVE-2018-1000410

This CVE involves an information exposure vulnerability in Jenkins and the Stapler framework, potentially allowing unauthorized access to user credentials.

What is CVE-2018-1000410?

This vulnerability in Jenkins and Stapler framework versions prior to 2.145 and 2.138.1, respectively, enables attackers with certain permissions to retrieve user-entered credentials if form submissions fail.

The Impact of CVE-2018-1000410

The vulnerability allows attackers with Overall/Administer permissions or local file system access to obtain user credentials entered during unsuccessful form submissions.

Technical Details of CVE-2018-1000410

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The vulnerability exists in specific files within Jenkins and Stapler framework, enabling unauthorized access to user credentials.

Affected Systems and Versions

Jenkins versions 2.145 and earlier
LTS versions 2.138.1 and earlier

Exploitation Mechanism

Attackers with Overall/Administer permissions or access to the local file system can exploit the vulnerability to retrieve user credentials.

Mitigation and Prevention

To address CVE-2018-1000410, consider the following steps:

Immediate Steps to Take

Upgrade Jenkins to versions beyond 2.145 and LTS versions beyond 2.138.1
Restrict Overall/Administer permissions to trusted users
Monitor and restrict access to the local file system

Long-Term Security Practices

Regularly review and update permissions and access controls
Implement multi-factor authentication for enhanced security

Patching and Updates

Apply security patches and updates promptly to Jenkins and Stapler framework to mitigate the vulnerability.