CVE-2013-2160: Missing XML Validation in Apache CXF
Summary
CVE-2013-2160: Missing XML Validation in Apache CXF. Affects org.apache.cxf:cxf-rt-frontend-jaxrs across 3 version ranges.
>= 2.5.0, < 2.5.10
>= 2.6.0, < 2.6.7
>= 2.7.0, < 2.7.4
Fixed in 2.5.10, 2.6.7 or 2.7.4, depending on the release line you run. How to fix ↓
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Background
Apache CXF is an open-source services framework that helps build and develop web services using standard protocols such as SOAP and REST. It provides a comprehensive set of tools and libraries for creating and consuming web services. The 'org.apache.cxf:cxf-rt-frontend-jaxrs' package is a part of Apache CXF and is specifically responsible for the JAX-RS frontend implementation. This package allows developers to build RESTful web services using the JAX-RS specification.
Vulnerability Detail
The streaming XML parser in Apache CXF versions 2.5.x before 2.5.10, 2.6.x before 2.6.7, and 2.7.x before 2.7.4 is vulnerable to a denial-of-service attack. An attacker can exploit this vulnerability by sending crafted XML data with a large number of elements, attributes, nested constructs, or other vectors. This can lead to excessive consumption of CPU and memory resources, causing the service to become unresponsive or crash. The vulnerability is assigned CVE-2013-2160.
How To Fix
Fixed versions by release line
The minimum fixed version depends on the release line you run.
-
>= 2.5.0, < 2.5.102.5.10 -
>= 2.6.0, < 2.6.72.6.7 -
>= 2.7.0, < 2.7.42.7.4
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Workaround
There is no known workaround for this vulnerability. It is recommended to upgrade to the fixed version as soon as possible.
Conclusion
The streaming XML parser in Apache CXF is vulnerable to a denial-of-service attack. Upgrading to the fixed version of Apache CXF is the recommended solution to mitigate this vulnerability. It is important to promptly apply the necessary updates to ensure the proper validation of incoming XML data and prevent potential service disruptions. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
Apache CXF is an open-source services framework that helps build and develop web services using standard protocols such as SOAP and REST.
The 'org.apache.cxf:cxf-rt-frontend-jaxrs' package is a part of Apache CXF and is specifically responsible for the JAX-RS frontend implementation. It allows developers to build RESTful web services using the JAX-RS specification.
This vulnerability can be exploited by remote attackers to cause a denial-of-service attack, leading to excessive consumption of CPU and memory resources. This can result in the unresponsiveness or crashing of the affected service.
To fix this vulnerability, it is recommended to upgrade to a fixed version of Apache CXF. Users of 'org.apache.cxf:cxf-rt-frontend-jaxrs' should upgrade to version 2.5.10 if they are using Apache CXF 2.5.x, version 2.6.7 if they are using Apache CXF 2.6.x, or version 2.7.4 if they are using Apache CXF 2.7.x.
There is no known workaround for this vulnerability. It is recommended to upgrade to the fixed version as soon as possible.
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