CVE-2021-40146: Remote Code Execution in Any23
Summary
CVE-2021-40146: Remote Code Execution in Any23. Affects org.apache.any23:apache-any23 versions < 2.5. Fixed in 2.5. How to fix ↓
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Background
The Apache Any23 package is a Java library that extracts structured data from various sources, including HTML, XML, and RDF. It provides functionality for parsing and analyzing data to generate semantic annotations. Any23 is commonly used in web scraping, data integration, and data analysis applications. However, versions prior to 2.5 are vulnerable to a Remote Code Execution (RCE) exploit.
Vulnerability Detail
The RCE vulnerability in Any23 arises from a flaw in the YAMLExtractor.java file. This vulnerability allows an attacker to execute arbitrary code on a remote machine over a network connection. By exploiting this vulnerability, an attacker can gain unauthorized access to the target system and potentially perform malicious activities. The severity of this vulnerability is rated as CRITICAL with a CVSS score of 9.8.
How To Fix
Minimum fixed version
2.5
This is the first release that contains the fix.
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Workaround
As a temporary workaround, if upgrading to the latest version is not immediately feasible, you can disable the YAMLExtractor functionality in your application. This can be achieved by removing or commenting out the code that invokes the YAMLExtractor class. However, this workaround should only be considered as a temporary measure until the package can be updated to a secure version.
Conclusion
The Remote Code Execution vulnerability in Any23 poses a significant risk to applications utilizing vulnerable versions of the package. It is crucial to upgrade to Any23 version 2.5 or later to mitigate this vulnerability. Alternatively, disabling the YAMLExtractor functionality can serve as a temporary workaround. For further assistance and support in vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability allows an attacker to execute arbitrary code on a remote machine, potentially leading to unauthorized access, data theft, or further compromise of the system.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your application is affected by this vulnerability. Simply provide your pom.xml file, and Vulert will analyze it in real-time and alert you if any open-source vulnerabilities, including this one, are detected.
No, only versions prior to 2.5 are affected by this vulnerability. It is recommended to upgrade to the latest secure version to mitigate the risk.
At the time of this advisory, there are no known public exploits targeting this vulnerability. However, it is crucial to apply the recommended fixes promptly to prevent potential exploitation.
This vulnerability was discovered by an undisclosed researcher and reported to the Apache Any23 project. The details were subsequently disclosed through the GitHub Security Advisory (GHSA) database.
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