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.
CVSS breakdown
CVSS 3.1
Attack Vector
Physical
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None
Affected products
- azure-rtos / usbx< 6.3.0 – < 6.3.0