CVE-2022-34784: Cross-Site Scripting in Jenkins build-metrics Plugin
Summary
CVE-2022-34784: Cross site scripting in Jenkins build-metrics Plugin. Affects org.jenkins-ci.plugins:build-metrics versions < 1.3. No fix is published. How to fix ↓
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Background
The Jenkins build-metrics Plugin is a Maven package that provides functionality for analyzing and visualizing build metrics in Jenkins. It allows users to view and track various metrics related to builds, such as build duration, success rate, and test coverage. This plugin is widely used in Jenkins environments to gain insights into build performance and quality. However, version 1.3 of the plugin is vulnerable to a stored cross-site scripting (XSS) attack.
Vulnerability Detail
The vulnerability in the Jenkins build-metrics Plugin 1.3 arises from the lack of proper escaping of the build description on one of its views. This allows attackers with Build/Update permission to inject malicious scripts into the build description field, which will be executed when viewed by other users. The impact of this vulnerability is significant, as it can lead to unauthorized access, data theft, and further exploitation of the affected Jenkins instance. The vulnerability has a CVSS score of 8.0, indicating a high severity level.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can disable the affected view or restrict access to it. By limiting the permissions of users who can view and modify build descriptions, the risk of exploitation can be reduced. However, this is not a permanent solution, and upgrading to the patched version is strongly recommended.
Conclusion
The Jenkins build-metrics Plugin version 1.3 is vulnerable to a stored cross-site scripting (XSS) attack. This can lead to unauthorized access, data theft, and further exploitation of the affected Jenkins instance. It is recommended to upgrade to a patched version of the plugin and regularly update all Jenkins plugins to ensure a secure environment. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for org.jenkins-ci.plugins:build-metrics →
FAQ
The vulnerability allows attackers to execute arbitrary scripts in the context of other users, potentially leading to unauthorized access, data theft, and further exploitation of the Jenkins instance.
You can use the Vulert Playground at Vulert Scanner to check if your Jenkins instance is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities, using just the pom.xml file.
Yes, the maintainers of the Jenkins build-metrics Plugin have released a fix in a subsequent version. It is recommended to upgrade to the latest version (post 1.3) to address the vulnerability.
As a temporary workaround, you can disable the affected view or restrict access to it. By limiting the permissions of users who can view and modify build descriptions, the risk of exploitation can be reduced. However, upgrading to the patched version is strongly recommended.
Regularly updating all Jenkins plugins, including the build-metrics Plugin, is crucial to mitigate the risk of potential vulnerabilities. Additionally, following security best practices, such as enforcing strong passwords and limiting user permissions, can help maintain a secure Jenkins environment.
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