CVE-2020-2243 : Security Advisory and Response
Learn about CVE-2020-2243 affecting Jenkins Cadence vManager Plugin 3.0.4 and earlier versions, allowing stored cross-site scripting attacks. Find mitigation steps and security practices.
Jenkins Cadence vManager Plugin 3.0.4 and earlier versions are affected by a stored cross-site scripting (XSS) vulnerability due to unescaped build descriptions in tooltips.
Understanding CVE-2020-2243
Jenkins Cadence vManager Plugin is susceptible to a stored XSS attack, allowing malicious actors with Run/Update permission to exploit the vulnerability.
What is CVE-2020-2243?
This CVE identifies a security flaw in Jenkins Cadence vManager Plugin versions 3.0.4 and below, enabling attackers to execute XSS attacks through unescaped build descriptions.
The Impact of CVE-2020-2243
The vulnerability can be exploited by threat actors with specific permissions, potentially leading to unauthorized access, data theft, and other malicious activities.
Technical Details of CVE-2020-2243
Jenkins Cadence vManager Plugin's vulnerability is detailed below:
Vulnerability Description
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Jenkins Cadence vManager Plugin 3.0.4 and earlier versions allow stored XSS attacks via unescaped build descriptions.
Affected Systems and Versions
- Product: Jenkins Cadence vManager Plugin
- Vendor: Jenkins project
- Versions Affected: <= 3.0.4
Exploitation Mechanism
- Attackers with Run/Update permission can exploit the unescaped build descriptions in tooltips to execute XSS attacks.
Mitigation and Prevention
Taking immediate steps and implementing long-term security practices are crucial to mitigate the risks associated with CVE-2020-2243.
Immediate Steps to Take
- Update Jenkins Cadence vManager Plugin to a patched version that addresses the XSS vulnerability.
- Restrict access permissions to minimize the impact of potential attacks.
Long-Term Security Practices
- Regularly monitor and audit plugins for security vulnerabilities.
- Educate users on safe coding practices to prevent XSS vulnerabilities.
Patching and Updates
- Stay informed about security advisories and promptly apply patches released by Jenkins project to secure the plugin.