CVE-2019-16562 : Vulnerability Insights and Analysis
Learn about CVE-2019-16562 affecting Jenkins buildgraph-view Plugin version 1.8 and earlier, allowing stored XSS attacks. Find mitigation steps and best practices for prevention.
Jenkins buildgraph-view Plugin version 1.8 and below is susceptible to a stored XSS vulnerability due to inadequate security measures in handling build descriptions.
Understanding CVE-2019-16562
The vulnerability in the Jenkins buildgraph-view Plugin can allow malicious users to exploit stored XSS vulnerabilities by manipulating build descriptions.
What is CVE-2019-16562?
The buildgraph-view Plugin in Jenkins, specifically versions 1.8 and earlier, fails to properly secure build descriptions displayed in its view, creating a potential avenue for stored XSS attacks.
The Impact of CVE-2019-16562
This vulnerability could be exploited by users with the ability to modify build descriptions, leading to potential XSS attacks within the Jenkins environment.
Technical Details of CVE-2019-16562
The technical aspects of the CVE-2019-16562 vulnerability are as follows:
Vulnerability Description
The buildgraph-view Plugin version 1.8 and below does not escape build descriptions, leaving them vulnerable to stored XSS attacks.
Affected Systems and Versions
- Product: Jenkins buildgraph-view Plugin
- Vendor: Jenkins project
- Vulnerable Versions:
- Version <= 1.8 (status: affected)
- Version < 1.5.2 (status: affected)
- Version next of 1.8 (status: unknown)
Exploitation Mechanism
Malicious users can exploit this vulnerability by manipulating build descriptions, injecting malicious scripts that can execute within the Jenkins environment.
Mitigation and Prevention
To address CVE-2019-16562, consider the following steps:
Immediate Steps to Take
- Upgrade the Jenkins buildgraph-view Plugin to a secure version.
- Restrict access to users who can modify build descriptions.
Long-Term Security Practices
- Regularly monitor and audit build descriptions for any suspicious content.
- Educate users on secure coding practices to prevent XSS vulnerabilities.
Patching and Updates
- Stay informed about security advisories from Jenkins project.
- Apply patches and updates promptly to mitigate known vulnerabilities.