CVE-2021-40828 – TLS hostname validation issues within AWS IoT Device SDKs on Windows

https://notcve.org/view.php?id=CVE-2021-40828

Connections initialized by the AWS IoT Device SDK v2 for Java (versions prior to 1.3.3), Python (versions prior to 1.5.18), C++ (versions prior to 1.12.7) and Node.js (versions prior to 1.5.1) did not verify server certificate hostname during TLS handshake when overriding Certificate Authorities (CA) in their trust stores on Windows. This issue has been addressed in aws-c-io submodule versions 0.9.13 onward. This issue affects: Amazon Web Services AWS IoT Device SDK v2 for Java versions prior to 1.3.3 on Microsoft Windows. Amazon Web Services AWS IoT Device SDK v2 for Python versions prior to 1.5.18 on Microsoft Windows. Amazon Web Services AWS IoT Device SDK v2 for C++ versions prior to 1.12.7 on Microsoft Windows. • https://github.com/aws/aws-iot-device-sdk-cpp-v2 https://github.com/aws/aws-iot-device-sdk-java-v2 https://github.com/aws/aws-iot-device-sdk-js-v2 https://github.com/aws/aws-iot-device-sdk-python-v2 https://github.com/awslabs/aws-c-io • CWE-295: Improper Certificate Validation •