CVE-2024-29195

CVSS 3.1 Score 6.0 of 10 (medium)

Details

Published Mar 26, 2024
CWE ID 120

Summary

CVE-2024-29195 is a vulnerability affecting the azure-c-shared-utility library used in the Azure IoT C SDK for communication between IoT Hub and IoT Hub devices. The issue lies in the parameter checking mechanism, which can result in integer wraparound, under-allocation, or heap buffer overflow when processing malformed payloads. An attacker can leverage this vulnerability to execute remote code by sending compromised messages to the device via the IoT Hub service, bypassing the service's max message payload limit of 128KB and overwriting the code space. The vulnerability was addressed in commit 1129147c38ac02ad974c4c701a1e01b2141b9fe2 on the Azure C Shared Utility GitHub repository.

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