CVE-2020-2245: XXE vulnerability in Jenkins Valgrind Plugin
Summary
CVE-2020-2245: XXE vulnerability in Jenkins Valgrind Plugin. Affects org.jenkins-ci.plugins:valgrind versions < 0.28. No fix is published. How to fix ↓
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Background
The Jenkins Valgrind Plugin is a Maven package (org.jenkins-ci.plugins:valgrind) that provides integration with the Valgrind memory debugging and profiling tool. It allows users to analyze and improve the memory usage of their Jenkins projects. The plugin parses XML files generated by Valgrind for analysis. However, versions 0.28 and earlier of the Valgrind Plugin do not properly configure their XML parser, making them vulnerable to XML external entity (XXE) attacks.
Vulnerability Detail
The XXE vulnerability in the Jenkins Valgrind Plugin allows an attacker who can control the input files for the plugin's parser to exploit XML external entities. By crafting a malicious XML file, an attacker can extract sensitive information from the Jenkins controller or perform server-side request forgery. This can lead to unauthorized access to confidential data or the execution of arbitrary commands on the server.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is crucial to update the Jenkins Valgrind Plugin to the latest version to mitigate the risk of exploitation.
Conclusion
The XXE vulnerability in the Jenkins Valgrind Plugin (CVE-2020-2245) poses a significant risk to Jenkins installations using versions 0.28 and earlier of the plugin. It is crucial to update the plugin to version 0.29 or later to prevent exploitation. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability allows an attacker to extract sensitive information from the Jenkins controller or perform server-side request forgery, potentially leading to unauthorized access to confidential data or the execution of arbitrary commands on the server.
Versions 0.28 and earlier of the Valgrind Plugin are affected by this vulnerability.
There are no known public exploits for this vulnerability at the time of this report.
Yes, the vulnerability can be fixed by upgrading the Jenkins Valgrind Plugin to version 0.29 or later.
No, updating the plugin to the latest version is the only known mitigation for this vulnerability.
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