CVE-2017-3202 : Vulnerability Insights and Analysis
Learn about CVE-2017-3202 affecting Flamingo amf-serializer version 2.2.0 by Exadel. Understand the vulnerability allowing arbitrary class instantiation and remote code execution.
Flamingo amf-serializer by Exadel, version 2.2.0, has a vulnerability that allows the instantiation of arbitrary classes, potentially leading to remote code execution.
Understanding CVE-2017-3202
The vulnerability in Flamingo amf-serializer version 2.2.0 allows the creation of any class using its public constructor without parameters and calling setter methods of Java Beans, potentially enabling arbitrary code execution.
What is CVE-2017-3202?
The flaw in the AMF3 deserializers implementation in Flamingo amf-serializer by Exadel, version 2.2.0, permits the instantiation of arbitrary classes, posing a risk of executing malicious code during deserialization.
The Impact of CVE-2017-3202
The vulnerability may be exploited by attackers who can manipulate serialized Java objects with predefined properties, potentially leading to the execution of arbitrary code during the deserialization process.
Technical Details of CVE-2017-3202
The technical aspects of the vulnerability in Flamingo amf-serializer version 2.2.0.
Vulnerability Description
The flaw allows the creation of any class using its public constructor without parameters and calling setter methods of Java Beans, potentially enabling arbitrary code execution.
Affected Systems and Versions
- Product: Flamingo amf-serializer
- Vendor: Exadel
- Version: 2.2.0
Exploitation Mechanism
- Attackers can exploit the vulnerability by manipulating or faking information remotely to send serialized Java objects with predefined properties, leading to arbitrary code execution.
Mitigation and Prevention
Steps to address and prevent the CVE-2017-3202 vulnerability.
Immediate Steps to Take
- Update Flamingo amf-serializer to a patched version that addresses the vulnerability.
- Implement proper input validation to prevent malicious object serialization.
Long-Term Security Practices
- Regularly monitor and update dependencies to ensure the latest security patches are applied.
- Conduct security audits and code reviews to identify and mitigate similar vulnerabilities.
Patching and Updates
- Apply security patches provided by Exadel promptly to mitigate the vulnerability and enhance system security.