Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2019-14238

Severity CVSS v4.0:
Pending analysis
Type:
CWE-287 Authentication Issues
Publication date:
24/09/2019
Last modified:
25/09/2019

Description

On STMicroelectronics STM32F7 devices, Proprietary Code Read Out Protection (PCROP) (a software IP protection method) can be defeated with a debug probe via the Instruction Tightly Coupled Memory (ITCM) bus.

Impact

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

Base Score: 6.60 MEDIUM
Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x
6.60
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.60 MEDIUM
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

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

Base Score 2.0
4.60
Severity 2.0
MEDIUM

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