CVE-2020-2244: XSS vulnerability in Jenkins Build Failure Analyzer Plugin
Summary
CVE-2020-2244: XSS vulnerability in Jenkins Build Failure Analyzer Plugin. Affects com.sonyericsson.jenkins.plugins.bfa:build-failure-analyzer versions < 1.27.1. Fixed in 1.27.1. How to fix ↓
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Background
The Jenkins Build Failure Analyzer Plugin is a Maven ecosystem package developed by com.sonyericsson.jenkins.plugins.bfa:build-failure-analyzer. It is used in Jenkins to analyze build failures and provide insights into the causes of failures. The plugin allows users to define patterns in the build log that indicate failures and provides diagnostic information to help troubleshoot and fix issues. However, versions 1.27.0 and earlier of the plugin are vulnerable to a cross-site scripting (XSS) attack.
Vulnerability Detail
The XSS vulnerability in Jenkins Build Failure Analyzer Plugin (CVE-2020-2244) arises from a failure to properly escape matching text in a form validation response. Attackers who can provide console output for builds used to test build log indications can exploit this vulnerability. By injecting malicious scripts into the console output, an attacker can execute arbitrary code in the context of the user's browser, potentially leading to unauthorized access, data theft, or other malicious activities. The vulnerability has a CVSS score of 8.0, indicating a high severity level.
How To Fix
Minimum fixed version
1.27.1
This is the first release that contains the fix.
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Workaround
There is no specific workaround mentioned for this vulnerability. The recommended approach is to upgrade to the fixed version of the plugin.
Conclusion
The Jenkins Build Failure Analyzer Plugin version 1.27.0 and earlier are vulnerable to a cross-site scripting (XSS) attack. It is crucial to upgrade to version 1.27.1 or later to fix the vulnerability. Regularly updating software components and following secure coding practices are essential to maintain a secure environment. For additional support on vulnerability remediation, contact DevNack.com.
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FAQ
The vulnerability allows attackers to execute arbitrary code in the user's browser, potentially leading to unauthorized access, data theft, or other malicious activities.
You can use Vulert Playground (https://vulert.com/scanner) to check if your Jenkins installation is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities, using just the pom.xml file.
There are no known public exploits for this vulnerability at the time of this report. However, it is important to promptly update to the fixed version to mitigate the risk.
In addition to updating to the fixed version of the plugin, it is recommended to follow secure coding practices and regularly update all software components to minimize the risk of vulnerabilities.
For further support on vulnerability remediation, you can reach out to info@devnack.com. They can provide guidance and assistance in addressing this vulnerability.
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