PT-2021-20417 · Stmicroelectronics · Stm32Cube Middleware

Thesilentdawn · Published 2021-07-22 · Updated 2021-08-03 · CVE-2021-34268

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 ParseDevDesc() function, which can lead to a denial of service (DOS) when a malformed USB device packet is received.

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

Exploit

Fix

Related Identifiers

CVE-2021-34268

Affected Products

Stm32Cube Middleware

References · 5

• 🔥 https://github.com/STMicroelectronics/STM32CubeH7/issues/75 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-34268 · Security Note
• https://osv.dev/vulnerability/CVE-2021-34268 · Vendor Advisory
• https://t.me/cvenotify/18543 · Telegram Post
• https://t.me/cibsecurity/26423 · Telegram Post