Ubuntu.comUB:CVE-2021-42553CVE-2021-42553
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
69.9%
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.
Notes
| Author | Note |
|---|---|
| ccdm94 | it seems like the micropython package contains the code which is vulnerable under ports/stm32/usbhost/Core/Src/usbh_ctlreq.c. |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 20.04 | noarch | micropython | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | micropython | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | micropython | < any | UNKNOWN |
Related
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
69.9%