PT-2021-20416 · Stmicroelectronics · Stm32Cube Middleware

Thesilentdawn · Published 2021-07-22 · Updated 2021-08-03 · CVE-2021-34267

Positive Technologies (AI Summary)

CVSS v3.1

4.6

Medium

Base vector

AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: STMicroelectronics STM32Cube Middleware versions 1.8.0 and below

Description: The issue is caused by a problem in the USBH MSC InterfaceInit() function, leading to a denial of service (DOS) when the system attempts to communicate with the connected endpoint.

Recommendations: For versions 1.8.0 and below, consider disabling the USBH MSC InterfaceInit() function as a temporary workaround to prevent potential denial of service attacks until a patch is available.

Exploit

Fix

Related Identifiers

CVE-2021-34267

Affected Products

Stm32Cube Middleware

References · 5

• 🔥 https://github.com/STMicroelectronics/STM32CubeH7/issues/80 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-34267 · Security Note
• https://osv.dev/vulnerability/CVE-2021-34267 · Vendor Advisory
• https://t.me/cibsecurity/26427 · Telegram Post
• https://t.me/cvenotify/18017 · Telegram Post