CVE-2020-2152: Jenkins Subversion Release Manager Plugin XSS Vulnerability
Summary
CVE-2020-2152: Jenkins Subversion Release Manager Plugin vulnerable to cross-site scripting (XSS). Affects org.jvnet.hudson.plugins:svn-release-mgr versions < 1.2. No fix is published. How to fix ↓
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Background
The Subversion Release Manager Plugin is a plugin for the Jenkins automation server that allows users to manage Subversion repositories and perform release management tasks. It provides features such as tagging, branching, and merging of Subversion repositories. The plugin is commonly used in software development and release processes.
Vulnerability Detail
The Subversion Release Manager Plugin version 1.2 and earlier is vulnerable to a cross-site scripting (XSS) attack. The plugin fails to properly escape the error message for the Repository URL field form validation. This allows an attacker to inject malicious code into the error message, which is then reflected back to users with Job/Configure permission. This vulnerability can also be exploited similarly to a stored XSS vulnerability. An attacker with the ability to exploit this vulnerability can execute arbitrary JavaScript code in the context of the affected user's browser, potentially leading to session hijacking, data theft, or other malicious actions.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can disable the Subversion Release Manager Plugin if it is not essential for their workflow. This can be done by following these steps:
- Access the Jenkins administration interface.
- Navigate to the Manage Plugins page.
- Search for the Subversion Release Manager Plugin.
- Uncheck the checkbox next to the plugin.
- Click on the Apply Changes button.
Note: Disabling the plugin may impact workflows that rely on its functionality.
Conclusion
The Subversion Release Manager Plugin version 1.2 and earlier is vulnerable to a cross-site scripting (XSS) attack. Users are advised to upgrade to version 1.3 or later to mitigate this vulnerability. Alternatively, users can temporarily disable the plugin if it is not essential for their workflow. For further assistance or support in vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability allows an attacker to execute arbitrary JavaScript code in the context of the affected user's browser. This can lead to various malicious actions, such as session hijacking, data theft, or unauthorized access to sensitive information.
Users of the Subversion Release Manager Plugin version 1.2 and earlier are affected by this vulnerability. Specifically, users with Job/Configure permission are at risk.
At the time of this advisory, there are no known public exploits specifically targeting this vulnerability. However, it is always recommended to apply security patches and updates promptly to mitigate the risk of exploitation.
Yes, the CVSS score for this vulnerability is 6.1, indicating a moderate severity level.
For more information about this vulnerability, you can refer to the GitHub Advisory Database entry at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-wc2g-9j98-vcgw/GHSA-wc2g-9j98-vcgw.json
