CVE-2019-10421 Explained : Impact and Mitigation
Learn about CVE-2019-10421 affecting Jenkins Azure Event Grid Build Notifier Plugin. Discover the impact, affected versions, exploitation risks, and mitigation steps.
The Jenkins Azure Event Grid Build Notifier Plugin has a vulnerability that exposes unencrypted credentials, allowing unauthorized access to sensitive information.
Understanding CVE-2019-10421
This CVE involves a security issue in the Jenkins Azure Event Grid Build Notifier Plugin, potentially leading to unauthorized access to credentials.
What is CVE-2019-10421?
The Jenkins Azure Event Grid Build Notifier Plugin fails to encrypt credentials, storing them in an insecure manner in job config.xml files on the Jenkins master.
The Impact of CVE-2019-10421
The vulnerability allows users with Extended Read permission or access to the master file system to view sensitive credentials, posing a significant security risk.
Technical Details of CVE-2019-10421
The technical aspects of the vulnerability are crucial to understanding its implications.
Vulnerability Description
The Jenkins Azure Event Grid Build Notifier Plugin stores credentials in an unencrypted format in job config.xml files on the Jenkins master, enabling unauthorized access.
Affected Systems and Versions
- Product: Jenkins Azure Event Grid Build Notifier Plugin
- Vendor: Jenkins project
- Vulnerable Versions: 0.1 and earlier
Exploitation Mechanism
Unauthorized users with Extended Read permission or access to the master file system can exploit this vulnerability to view sensitive credentials.
Mitigation and Prevention
Taking immediate steps and implementing long-term security practices are essential to mitigate the risks associated with CVE-2019-10421.
Immediate Steps to Take
- Update the Jenkins Azure Event Grid Build Notifier Plugin to the latest secure version.
- Restrict access to the Jenkins master file system to authorized personnel only.
Long-Term Security Practices
- Implement encryption mechanisms for storing sensitive credentials.
- Regularly review and audit access permissions to prevent unauthorized viewing of credentials.
Patching and Updates
- Apply patches and updates provided by Jenkins project to address the vulnerability and enhance security measures.