CVE-2019-1003054 : Exploit Details and Defense Strategies

Jenkins Jira Issue Updater Plugin stores credentials unencrypted in job config.xml files, potentially exposing them to unauthorized users.

Understanding CVE-2019-1003054

This CVE involves a vulnerability in the Jenkins Jira Issue Updater Plugin that could lead to unauthorized access to sensitive credentials.

What is CVE-2019-1003054?

The Jenkins Jira Issue Updater Plugin fails to encrypt credentials stored in job config.xml files on the Jenkins master, allowing users with specific permissions to access them.

The Impact of CVE-2019-1003054

The vulnerability enables users with Extended Read permission or file system access to view unencrypted credentials, posing a significant security risk.

Technical Details of CVE-2019-1003054

The technical aspects of the CVE provide insight into the vulnerability's specifics.

Vulnerability Description

The Jenkins Jira Issue Updater Plugin exposes credentials without encryption in job config.xml files on the Jenkins master, facilitating unauthorized access.

Affected Systems and Versions

Product: Jenkins Jira Issue Updater Plugin
Vendor: Jenkins project
Versions: All versions as of 2019-04-03

Exploitation Mechanism

Unauthorized users with Extended Read permission or access to the master file system can exploit the vulnerability to retrieve unencrypted credentials.

Mitigation and Prevention

Effective measures to mitigate the risks associated with CVE-2019-1003054.

Immediate Steps to Take

Restrict access to job config.xml files to authorized personnel only.
Implement encryption mechanisms for sensitive credentials.
Regularly monitor and audit access to Jenkins master files.

Long-Term Security Practices

Conduct regular security training for Jenkins users on handling sensitive data.
Keep Jenkins and its plugins updated to the latest secure versions.

Patching and Updates

Apply patches provided by Jenkins project to address the vulnerability.