CVE-2017-3206 Explained : Impact and Mitigation
Learn about CVE-2017-3206 affecting Flamingo amf-serializer version 2.2.0 by Exadel. Discover the XXE vulnerability allowing data exposure, denial of service, and server-side request forgery.
Flamingo amf-serializer by Exadel, version 2.2.0, is vulnerable to external entity references (XXEs) through XML documents embedded in AMF3 messages, potentially leading to data exposure, denial of service, or server-side request forgery.
Understanding CVE-2017-3206
This CVE involves a vulnerability in the AMF3 deserializers used by Flamingo amf-serializer version 2.2.0, allowing XXEs from XML documents within AMF3 messages.
What is CVE-2017-3206?
The vulnerability in Flamingo amf-serializer version 2.2.0 enables malicious actors to exploit XXEs through XML documents in AMF3 messages, posing risks of data exposure, denial of service, or server-side request forgery.
The Impact of CVE-2017-3206
Exploitation of this vulnerability can result in the exposure of sensitive data on the server, denial of service attacks, or server-side request forgery, potentially compromising the security and integrity of the system.
Technical Details of CVE-2017-3206
Flamingo amf-serializer version 2.2.0 vulnerability details.
Vulnerability Description
The Java implementation of AMF3 deserializers in Flamingo amf-serializer version 2.2.0 allows XXEs from XML documents within AMF3 messages, which, if not handled correctly, can lead to severe consequences.
Affected Systems and Versions
- Product: Flamingo amf-serializer
- Vendor: Exadel
- Version: 2.2.0
Exploitation Mechanism
The vulnerability allows attackers to embed malicious XML documents within AMF3 messages, exploiting XXEs to potentially access sensitive data, disrupt services, or forge server-side requests.
Mitigation and Prevention
Protective measures to address CVE-2017-3206.
Immediate Steps to Take
- Update Flamingo amf-serializer to a patched version that addresses the XXE vulnerability.
- Implement proper input validation and XML parsing to mitigate XXE attacks.
Long-Term Security Practices
- Regularly monitor and update software components to prevent vulnerabilities.
- Conduct security assessments and audits to identify and address potential weaknesses.
Patching and Updates
- Apply security patches and updates provided by Exadel for Flamingo amf-serializer to eliminate the XXE vulnerability.