CVE-2017-12634 : Exploit Details and Defense Strategies
Learn about CVE-2017-12634 affecting Apache Camel. Understand the Java object deserialization vulnerability in Camel's Castor component, its impact, affected versions, and mitigation steps.
Apache Camel's Castor unmarshalling operation vulnerability
Understanding CVE-2017-12634
What is CVE-2017-12634?
The vulnerability in the camel-castor component in Apache Camel 2.x versions prior to 2.19.4 and 2.20.x versions before 2.20.1 involves the deserialization of Java objects, which can lead to security vulnerabilities when deserializing data from untrusted sources.
The Impact of CVE-2017-12634
The vulnerability allows for Remote Code Execution attacks through Apache Camel's Castor unmarshalling operation.
Technical Details of CVE-2017-12634
Vulnerability Description
The camel-castor component in Apache Camel 2.x versions before 2.19.4 and 2.20.x before 2.20.1 is vulnerable to Java object deserialization, posing a security risk when processing untrusted data.
Affected Systems and Versions
- Product: Apache Camel
- Vendor: Apache Software Foundation
- Affected Versions:
- 2.19.0 to 2.19.3
- 2.20.0
- The unsupported Camel 2.x (2.18 and earlier) versions may also be affected.
Exploitation Mechanism
The vulnerability arises from the deserialization of Java objects in the camel-castor component, potentially allowing attackers to execute remote code by manipulating the deserialized data.
Mitigation and Prevention
Immediate Steps to Take
- Update Apache Camel to version 2.19.4 or 2.20.1 to mitigate the vulnerability.
- Avoid deserializing data from untrusted sources.
Long-Term Security Practices
- Implement input validation to ensure data integrity.
- Regularly monitor security advisories and updates from Apache Camel.
Patching and Updates
- Apply patches and updates provided by Apache Camel to address security vulnerabilities.