Vulnerability · Published Dec 5, 2023 · Assigned by GitHub_M

CVE-2023-48695Azure RTOS USBX Remote Code Execution Vulnerability

High 7.2

In plain English

A high-severity out-of-bounds write in usbx from azure-rtos. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High

Exploit odds (30 days)1.2%top 31.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 out of bounds write vulnerabilities in Azure RTOS USBX. The affected components include functions/processes in host and device classes, related to CDC ECM and RNDIS 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.

Affected products (as reported)

Vendor	Product	Versions
azure-rtos	usbx	< 6.3.0

Weakness: CWE-787 · Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

References

https://github.com/azure-rtos/usbx/security/advisories/GHSA-mwj9-rpph-v8wc x_refsource_CONFIRM