CVE-2016-5003: Apache XML-RPC vulnerable to Deserialization of Untrusted Data
Summary
CVE-2016-5003: Apache XML-RPC vulnerable to Deserialization of Untrusted Data. Affects org.apache.xmlrpc:xmlrpc versions < 3.1.3. No fix is published. How to fix ↓
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Background
The Apache XML-RPC library (ws-xmlrpc) version 3.1.3 is an open-source library used in Apache Archiva. It provides support for XML-RPC, a remote procedure call protocol encoded in XML. XML-RPC allows applications running on different operating systems and programming languages to communicate with each other. This vulnerability affects the Apache XML-RPC library version 3.1.3.
Vulnerability Detail
The Apache XML-RPC library version 3.1.3 is vulnerable to deserialization of untrusted data. This vulnerability allows remote attackers to execute arbitrary code by sending a crafted serialized Java object within an ex:serializable element. When the vulnerable library deserializes this object, it can lead to the execution of arbitrary code, potentially compromising the affected system. The severity of this vulnerability is rated as CRITICAL with a CVSS score of 9.8.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround provided for this vulnerability. However, as a general best practice, it is recommended to implement input validation and sanitization to prevent the exploitation of deserialization vulnerabilities. Additionally, network-level controls and access restrictions can be implemented to limit the exposure of the vulnerable application.
Conclusion
The Apache XML-RPC library version 3.1.3 is vulnerable to deserialization of untrusted data, which can allow remote attackers to execute arbitrary code. To mitigate this vulnerability, it is crucial to upgrade to a non-affected version of the library and follow secure coding practices. Implementing input validation and sanitization can help prevent the exploitation of deserialization vulnerabilities. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
Apache XML-RPC is a library that provides support for XML-RPC, a remote procedure call protocol encoded in XML. It allows applications running on different operating systems and programming languages to communicate with each other.
Deserialization of untrusted data refers to the process of converting serialized data into its original form. When untrusted data is deserialized without proper validation and sanitization, it can lead to the execution of arbitrary code, potentially compromising the system.
This vulnerability allows remote attackers to execute arbitrary code on the affected system. Depending on the privileges of the targeted application, this can lead to unauthorized access, data leakage, or complete system compromise.
You can use Vulert's playground (https://vulert.com/scanner) to check if your application is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities in software using just the pom.xml file.
The CVSS score of this vulnerability is 9.8, which indicates a critical severity level. It signifies a high risk of exploitation and potential impact on the affected system.
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