CVE-2013-4271: Restlet Arbitrary Java Code Execution via a serialized object
Summary
CVE-2013-4271: Restlet Arbitrary Java Code Execution via a serialized object. Affects org.restlet.jse:org.restlet versions < 2.1.4. Fixed in 2.1.4. How to fix ↓
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Background
The Restlet package is a Java framework for building lightweight, scalable, and RESTful web services. It provides a simple and intuitive API for handling HTTP requests and responses. The ObjectRepresentation class in Restlet before version 2.1.4 is affected by a vulnerability that allows remote attackers to execute arbitrary Java code via a serialized object. This vulnerability arises from the default configuration of the ObjectRepresentation class, which deserializes objects from untrusted sources. It is important to note that this vulnerability is different from CVE-2013-4221.
Vulnerability Detail
The vulnerability in the ObjectRepresentation class of Restlet allows an attacker to execute arbitrary Java code by exploiting the deserialization of objects from untrusted sources. By sending a specially crafted serialized object, an attacker can trigger the execution of arbitrary code on the target system. This can lead to various security risks, including remote code execution, privilege escalation, and unauthorized access to sensitive data. It is crucial to address this vulnerability promptly to prevent potential exploitation.
How To Fix
Minimum fixed version
2.1.4
This is the first release that contains the fix.
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Workaround
As a workaround, if upgrading to the latest version is not immediately feasible, it is recommended to disable the deserialization of objects from untrusted sources in the ObjectRepresentation class. This can be achieved by modifying the configuration or code to enforce strict deserialization policies. By implementing proper input validation and filtering, the risk of deserializing malicious objects can be mitigated.
Conclusion
The vulnerability in the ObjectRepresentation class of Restlet allows remote attackers to execute arbitrary Java code by exploiting the deserialization of objects from untrusted sources. To mitigate this risk, it is crucial to upgrade to Restlet version 2.1.4 or later. Alternatively, strict input validation and filtering can be implemented as a temporary workaround. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability allows remote attackers to execute arbitrary Java code on the target system. This can lead to various security risks, including remote code execution, privilege escalation, and unauthorized access to sensitive data.
While specific exploits may not be publicly available, the vulnerability itself is well-documented. It is important to address this vulnerability promptly to prevent potential exploitation.
No, only versions before 2.1.4 are affected by this vulnerability. It is recommended to upgrade to the latest version to ensure the security of your application.
Yes, this vulnerability can be exploited remotely. Attackers can send a specially crafted serialized object to trigger the execution of arbitrary code on the target system.
The recommended mitigation is to upgrade to Restlet version 2.1.4 or later. If immediate upgrade is not feasible, strict input validation and filtering can be implemented to mitigate the risk of deserializing malicious objects.
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