CVE-2020-2175 : What You Need to Know
Learn about CVE-2020-2175 affecting Jenkins FitNesse Plugin versions <= 1.31. Understand the impact, exploitation, and mitigation steps for this XSS vulnerability.
Jenkins FitNesse Plugin 1.31 and earlier versions are affected by a stored cross-site scripting (XSS) vulnerability due to improper handling of report contents. This vulnerability can be exploited by users controlling XML input files.
Understanding CVE-2020-2175
Jenkins FitNesse Plugin 1.31 and earlier versions are susceptible to a stored XSS vulnerability, allowing attackers to execute malicious scripts in the context of a user's session.
What is CVE-2020-2175?
The vulnerability arises from the plugin's failure to properly escape report contents displayed on the Jenkins UI, enabling attackers to inject and execute arbitrary scripts.
The Impact of CVE-2020-2175
Exploitation of this vulnerability could lead to unauthorized access, data theft, and potential compromise of the Jenkins environment by malicious actors.
Technical Details of CVE-2020-2175
Jenkins FitNesse Plugin's vulnerability details and affected systems.
Vulnerability Description
The issue stems from the plugin's inability to correctly sanitize report contents, allowing malicious users to inject and execute scripts within the Jenkins UI.
Affected Systems and Versions
- Product: Jenkins FitNesse Plugin
- Vendor: Jenkins project
- Versions Affected: <= 1.31 (unspecified version type: custom)
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating XML input files processed by the plugin to inject malicious scripts, potentially leading to XSS attacks.
Mitigation and Prevention
Steps to mitigate and prevent the CVE-2020-2175 vulnerability.
Immediate Steps to Take
- Update Jenkins FitNesse Plugin to a patched version beyond 1.31 to mitigate the XSS vulnerability.
- Regularly monitor and review XML input files processed by the plugin for any suspicious content.
Long-Term Security Practices
- Implement input validation mechanisms to sanitize user-generated content within the Jenkins environment.
- Educate users on secure coding practices to prevent XSS vulnerabilities in plugins.
Patching and Updates
- Stay informed about security advisories and updates from Jenkins project to promptly apply patches addressing known vulnerabilities.