🛡️ CVE-2024-29195
🟡 CVSS 6.0 — Medium ✅ No Known Exploit CWE-120 NVD
6.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

The azure-c-shared-utility is a C library for AMQP/MQTT communication to Azure Cloud Services. This library may be used by the Azure IoT C SDK for communication between IoT Hub and IoT Hub devices. An attacker can cause an integer wraparound or under-allocation or heap buffer overflow due to vulnerabilities in parameter checking mechanism, by exploiting the buffer length parameter in Azure C SDK, which may lead to remote code execution. Requirements for RCE are 1. Compromised Azure account allowing malformed payloads to be sent to the device via IoT Hub service, 2. By passing IoT hub service max message payload limit of 128KB, and 3. Ability to overwrite code space with remote code. Fixed in commit https://github.com/Azure/azure-c-shared-utility/commit/1129147c38ac02ad974c4c701a1e01b2141b9fe2.

Details

Severity MEDIUM
CVSS Score 6.0
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L
CWE CWE-120
Public Exploit ✅ No
Source NVD
Published 2024-03-26
Updated 2026-06-02
Modified 2025-12-15

Affected Packages

Software From version Fixed in
azure-c-shared-utility — 2023-12-01

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