CVE-2019-16557 : Vulnerability Insights and Analysis
Learn about CVE-2019-16557 affecting Jenkins Redgate SQL Change Automation Plugin. Discover the impact, affected versions, and mitigation steps for this security vulnerability.
This CVE involves the Jenkins Redgate SQL Change Automation Plugin version 2.0.3 and earlier, which stores credentials in plain text within job config.xml files, potentially exposing them to unauthorized users.
Understanding CVE-2019-16557
This vulnerability allows users with Extended Read permission or access to the Jenkins master file system to view sensitive credentials stored in an insecure manner.
What is CVE-2019-16557?
The Jenkins Redgate SQL Change Automation Plugin versions 2.0.3 and below save credentials in plain text within job config.xml files on the Jenkins master, making them accessible to unauthorized users.
The Impact of CVE-2019-16557
The exposure of credentials in plain text poses a significant security risk as unauthorized users can potentially access sensitive information, leading to data breaches and unauthorized system access.
Technical Details of CVE-2019-16557
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The Jenkins Redgate SQL Change Automation Plugin 2.0.3 and earlier versions store credentials unencrypted in job config.xml files on the Jenkins master, allowing unauthorized users to view them.
Affected Systems and Versions
- Product: Jenkins Redgate SQL Change Automation Plugin
- Vendor: Jenkins project
- Versions Affected: <= 2.0.3
- Version Type: Custom
Exploitation Mechanism
Unauthorized users with Extended Read permission or access to the Jenkins master file system can exploit this vulnerability to view stored credentials.
Mitigation and Prevention
Protecting systems from CVE-2019-16557 requires immediate action and long-term security practices.
Immediate Steps to Take
- Upgrade the Jenkins Redgate SQL Change Automation Plugin to a secure version that addresses the vulnerability.
- Restrict access to the Jenkins master file system to authorized personnel only.
Long-Term Security Practices
- Implement secure credential storage mechanisms within Jenkins to prevent plaintext exposure.
- Regularly review and update security configurations to mitigate similar vulnerabilities.
Patching and Updates
Ensure that all software components, including plugins and dependencies, are regularly updated to the latest secure versions.