CVSS: 7.2EPSS: 0%CPEs: 6EXPL: 0CVE-2021-40831 – Missing SNI validation and inconsistent CA override function behavior within AWS IoT Device SDKs on Apple devices
https://notcve.org/view.php?id=CVE-2021-40831
22 Nov 2021 — The AWS IoT Device SDK v2 for Java, Python, C++ and Node.js appends a user supplied Certificate Authority (CA) to the root CAs instead of overriding it on macOS systems. Additionally, SNI validation is also not enabled when the CA has been “overridden”. TLS handshakes will thus succeed if the peer can be verified either from the user-supplied CA or the system’s default trust-store. Attackers with access to a host’s trust stores or are able to compromise a certificate authority already in the host's trust st... • https://github.com/aws/aws-iot-device-sdk-cpp-v2 • CWE-295: Improper Certificate Validation •
CVSS: 8.8EPSS: 0%CPEs: 7EXPL: 0CVE-2021-40830 – Inconsistent CA override function behavior within AWS IoT Device SDKs on Unix systems
https://notcve.org/view.php?id=CVE-2021-40830
22 Nov 2021 — The AWS IoT Device SDK v2 for Java, Python, C++ and Node.js appends a user supplied Certificate Authority (CA) to the root CAs instead of overriding it on Unix systems. TLS handshakes will thus succeed if the peer can be verified either from the user-supplied CA or the system’s default trust-store. Attackers with access to a host’s trust stores or are able to compromise a certificate authority already in the host's trust store (note: the attacker must also be able to spoof DNS in this case) may be able to u... • https://github.com/aws/aws-iot-device-sdk-cpp-v2 • CWE-295: Improper Certificate Validation •
CVSS: 8.8EPSS: 0%CPEs: 6EXPL: 0CVE-2021-40828 – TLS hostname validation issues within AWS IoT Device SDKs on Windows
https://notcve.org/view.php?id=CVE-2021-40828
22 Nov 2021 — 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 Mi... • https://github.com/aws/aws-iot-device-sdk-cpp-v2 • CWE-295: Improper Certificate Validation •