CVE-2020-2199 : Exploit Details and Defense Strategies
Learn about CVE-2020-2199 affecting Jenkins Subversion Partial Release Manager Plugin versions <= 1.0.1, allowing attackers to execute cross-site scripting attacks. Find mitigation steps here.
Jenkins Subversion Partial Release Manager Plugin 1.0.1 and earlier versions are affected by a reflected cross-site scripting vulnerability due to improper handling of the repository URL field.
Understanding CVE-2020-2199
This CVE identifies a security issue in the Jenkins Subversion Partial Release Manager Plugin that could allow attackers to execute cross-site scripting attacks.
What is CVE-2020-2199?
The vulnerability in Jenkins Subversion Partial Release Manager Plugin allows for reflected cross-site scripting attacks by not properly escaping error messages in the repository URL field form validation.
The Impact of CVE-2020-2199
The vulnerability could be exploited by attackers to inject malicious scripts into web pages viewed by users, potentially leading to unauthorized actions or data theft.
Technical Details of CVE-2020-2199
The technical aspects of the CVE include:
Vulnerability Description
Jenkins Subversion Partial Release Manager Plugin 1.0.1 and earlier versions do not escape the error message for the repository URL field form validation, enabling reflected cross-site scripting.
Affected Systems and Versions
- Product: Jenkins Subversion Partial Release Manager Plugin
- Vendor: Jenkins project
- Versions Affected: <= 1.0.1, next of 1.0.1
Exploitation Mechanism
The vulnerability can be exploited by injecting malicious scripts into the repository URL field, which are then executed when the error message is displayed.
Mitigation and Prevention
To address CVE-2020-2199, consider the following steps:
Immediate Steps to Take
- Update the Jenkins Subversion Partial Release Manager Plugin to a version that includes a fix for the vulnerability.
- Monitor for any unusual activities or unauthorized access on the affected systems.
Long-Term Security Practices
- Regularly review and update all plugins and extensions used in Jenkins to ensure they are secure.
- Educate users on safe browsing practices to minimize the risk of cross-site scripting attacks.
Patching and Updates
- Stay informed about security advisories from Jenkins project and promptly apply patches or updates to address known vulnerabilities.