CVE-2023-48694

Azure RTOS USBX Remote Code Execution Vulnerability

State: Published
Severity: 6.8 Medium
Published: Dec 5, 2023
Updated: Oct 15, 2024
Reserved: Nov 17, 2023

Description

Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure RTOS ThreadX. An attacker can cause remote code execution due to expired pointer dereference and type confusion vulnerabilities in Azure RTOS USBX. The affected components include functions/processes in host stack and host class, related to device linked classes, ASIX, Prolific, SWAR, audio, CDC ECM in RTOS v6.2.1 and below. The fixes have been included in USBX release 6.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Scores

CVSS	Score	Vector	Source
3.1	6.8 Medium	CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-825 Expired Pointer Dereference
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')

Affected Products

Product	Versions
usbxazure-rtos	< 6.3.0Affected

References

https://github.com/azure-rtos/usbx/security/advisories/GHSA-qjw8-7w86-44qj

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