Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2019-14236

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
12/09/2019
Last modified:
16/09/2019

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:st:stm32l0_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:st:stm32l0:-:*:*:*:*:*:*:*
cpe:2.3:o:st:stm32l1_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:st:stm32l1:-:*:*:*:*:*:*:*
cpe:2.3:o:st:stm32f4_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:st:stm32f4:-:*:*:*:*:*:*:*
cpe:2.3:o:st:stm32l4_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:st:stm32l4:-:*:*:*:*:*:*:*
cpe:2.3:o:st:stm32f7_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:st:stm32f7:-:*:*:*:*:*:*:*
cpe:2.3:o:st:stm32h7_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:st:stm32h7:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools