CVE-2019-14236: Critical severity st stm32 firmware vulnerability

Published Sep 12, 2019
·
Updated

On STMicroelectronics STM32L0, STM32L1, STM32L4, STM32F4, STM32F7, and STM32H7 devices, Proprietary Code Read Out Protection (PCROP) (a software IP protection method) can be defeated by observing CPU registers and the effect of code/instruction execution.

Affected Software

12 affected components
ST Stm32l0 Firmware
ST STM32L0
ST Stm32l1 Firmware
ST STM32L1
ST Stm32f4 Firmware
ST STM32F4
ST Stm32l4 Firmware
ST STM32L4
ST Stm32f7 Firmware
ST STM32F7
ST Stm32h7 Firmware
ST STM32H7

Event History

Sep 12, 2019
CVE Published
via MITRE·05:43 PM
Data Sourced
via MITRE·05:43 PM
Description
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Frequently Asked Questions

1

What is CVE-2019-14236?

CVE-2019-14236 is a vulnerability found on STMicroelectronics STM32L0, STM32L1, STM32L4, STM32F4, STM32F7, and STM32H7 devices where the Proprietary Code Read Out Protection (PCROP) can be defeated.

2

What is Proprietary Code Read Out Protection (PCROP)?

Proprietary Code Read Out Protection (PCROP) is a software IP protection method used on STMicroelectronics STM32 devices.

3

How does the vulnerability affect the STM32 devices?

The vulnerability affects the STM32 devices by allowing the defeat of the Proprietary Code Read Out Protection (PCROP) by observing CPU registers and the effect of code/instruction execution.

4

What is the severity of CVE-2019-14236?

The severity of CVE-2019-14236 is critical with a CVSS score of 9.8.

5

Is there a fix available for CVE-2019-14236?

Currently, there is no known fix available for CVE-2019-14236. It is recommended to follow any updates from STMicroelectronics and apply patches or mitigations as they become available.

Contact

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