CVE-2019-10317 : Vulnerability Insights and Analysis
Learn about CVE-2019-10317 affecting Jenkins SiteMonitor Plugin version 0.5 and earlier, allowing SSL/TLS and hostname verification bypass. Find mitigation steps and best practices.
In previous versions, the Jenkins SiteMonitor Plugin 0.5 and earlier had a global setting that disabled SSL/TLS and hostname verification for the JVM of the Jenkins master.
Understanding CVE-2019-10317
The Jenkins SiteMonitor Plugin version 0.5 and earlier vulnerability.
What is CVE-2019-10317?
This CVE refers to a vulnerability in the Jenkins SiteMonitor Plugin versions 0.5 and earlier that globally disabled SSL/TLS and hostname verification for the Jenkins master JVM.
The Impact of CVE-2019-10317
The vulnerability could allow attackers to intercept and modify communications between the Jenkins master and other systems, leading to potential security breaches.
Technical Details of CVE-2019-10317
Details of the vulnerability in the Jenkins SiteMonitor Plugin.
Vulnerability Description
The Jenkins SiteMonitor Plugin version 0.5 and earlier disabled SSL/TLS and hostname verification globally for the Jenkins master JVM, exposing it to potential man-in-the-middle attacks.
Affected Systems and Versions
- Product: Jenkins SiteMonitor Plugin
- Vendor: Jenkins project
- Versions affected: 0.5 and earlier
Exploitation Mechanism
Attackers could exploit this vulnerability to intercept and manipulate data transmitted between the Jenkins master and other systems due to the lack of SSL/TLS and hostname verification.
Mitigation and Prevention
Steps to mitigate and prevent the CVE-2019-10317 vulnerability.
Immediate Steps to Take
- Upgrade the Jenkins SiteMonitor Plugin to a version that addresses the SSL/TLS and hostname verification issue.
- Enable SSL/TLS and hostname verification on the Jenkins master to secure communications.
Long-Term Security Practices
- Regularly update and patch all Jenkins plugins to prevent known vulnerabilities.
- Implement network monitoring and intrusion detection systems to detect and respond to suspicious activities.
Patching and Updates
- Stay informed about security advisories from Jenkins project and promptly apply patches to fix vulnerabilities.