CVE-2019-14238

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.

CVSS v3.0 6.6 MEDIUM
CVSS v2.0 4.6 MEDIUM

6.6^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 0.7 / Impact : 5.9

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.usenix.org/system/files/woot19-paper_schink.pdf	Exploit Mitigation Third Party Advisory
https://www.usenix.org/conference/woot19/presentation/schink	Exploit Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:st:stm32l0_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:st:stm32l0:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:st:stm32l1_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:st:stm32l1:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:st:stm32f4_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:st:stm32f4:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:st:stm32l4_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:st:stm32l4:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:o:st:stm32f7_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:st:stm32f7:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND

cpe:2.3:o:st:stm32h7_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:st:stm32h7:-:*:*:*:*:*:*:*

Information

Published : 2019-09-24 11:15

Updated : 2019-09-25 06:32

NVD link : CVE-2019-14238

Mitre link : CVE-2019-14238

JSON object : View

CWE

CWE-287

Improper Authentication

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Products Affected

st

stm32f7_firmware
stm32f4_firmware
stm32f7
stm32l4_firmware
stm32h7
stm32l4
stm32h7_firmware
stm32l1
stm32f4
stm32l0
stm32l0_firmware
stm32l1_firmware

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