CVE-2021-42553

EUVD-2021-29521
A buffer overflow vulnerability in stm32_mw_usb_host of STMicroelectronics in versions before 3.5.1 allows an attacker to execute arbitrary code when the descriptor contains more endpoints than USBH_MAX_NUM_ENDPOINTS. The library is typically integrated when using a RTOS such as FreeRTOS on STM32 MCUs.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.8 MEDIUM
PHYSICAL
LOW
NONE
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NCSC.chCNA
6.8 MEDIUM
PHYSICAL
LOW
NONE
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 80%
Affected Products (NVD)
VendorProductVersion
ststm32_mw_usb_host
-
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
micropython
bionic
dne
focal
needs-triage
jammy
needs-triage
kinetic
ignored
lunar
ignored
mantic
ignored
noble
needs-triage
trusty
ignored
xenial
ignored
Common Weakness Enumeration
References
https://github.com/STMicroelectronics/stm32_mw_usb_host
https://github.com/STMicroelectronics/stm32_mw_usb_host/pull/4
https://github.com/STMicroelectronics/stm32_mw_usb_host
https://github.com/STMicroelectronics/stm32_mw_usb_host/pull/4