Apache Xerces Java XML Parser Vulnerability in libxerces2-java: Infinite Loop Issue
Summary
UBUNTU-CVE-2022-23437: There's a vulnerability within the Apache Xerces Java (XercesJ) XML parser when handling specially crafted XML document payloads. Affects libxerces2-java versions 2.11.0-7. No fix is published. How to fix ↓
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Background
libxerces2-java is an open-source XML parser developed by the Apache Software Foundation, designed to facilitate the parsing and manipulation of XML documents in Java applications. It is widely used in various software projects due to its robust features and compliance with XML standards. However, a vulnerability has been identified in this package that affects its stability and resource management.
Vulnerability Detail
The vulnerability, identified as CVE-2022-23437, arises from an issue within the Apache Xerces Java XML parser when processing specially crafted XML document payloads. This flaw can cause the parser to enter an infinite loop, leading to excessive consumption of system resources. The vulnerability is present in XercesJ version 2.12.1 and earlier versions, potentially impacting applications that rely on this library for XML processing.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can avoid processing untrusted or specially crafted XML documents until the package is updated. This can help mitigate the risk of resource exhaustion caused by the vulnerability.
Conclusion
The CVE-2022-23437 vulnerability in libxerces2-java poses a significant risk due to its potential to cause infinite loops and resource exhaustion. Users are strongly advised to update to the latest patched version of the package to mitigate this risk. Utilizing tools like Vulert can help monitor and manage vulnerabilities effectively.
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FAQ
CVE-2022-23437 is a vulnerability in the Apache Xerces Java XML parser that can cause an infinite loop when handling specially crafted XML documents.
The vulnerability affects libxerces2-java versions 2.12.1 and earlier.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without needing to sign up.
Exploitation of this vulnerability can lead to excessive resource consumption, potentially causing application slowdowns or crashes.
Yes, updating to the latest version of libxerces2-java will resolve the vulnerability. Use 'sudo apt-get update && sudo apt-get install libxerces2-java' to update.
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