CVE-2017-18347 Information

Description

Incorrect access control in RDP Level 1 on STMicroelectronics STM32F0 series devices allows physically present attackers to extract the device’s protected firmware via a special sequence of Serial Wire Debug (SWD) commands because there is a race condition between full initialization of the SWD interface and the setup of flash protection.

CVSS Vector

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

https://community.st.com/s/question/0D50X00009Xke7aSAB/readout-protection-cracked-on-stm32 https://www.aisec.fraunhofer.de/en/FirmwareProtection.html https://www.usenix.org/conference/woot17/workshop-program/presentation/obermaier

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

4.6