Vulnerability CVE-2019-14236
Published: 2019-09-12

Description:
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.

Type:

CWE-863

 (Incorrect Authorization)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
ST -> Stm32f4 firmware 
ST -> Stm32f7 firmware 
ST -> Stm32h7 firmware 
ST -> Stm32l0 firmware 
ST -> Stm32l1 firmware 
ST -> Stm32l4 firmware 

 References:
https://www.usenix.org/system/files/woot19-paper_schink.pdf
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