CVE-2022-30330 Information

Description

In the KeepKey firmware before 7.3.2 the bootloader can be exploited in unusual situations in which the attacker has physical access convinces the victim to install malicious firmware or has unspecified other capabilities. lib/board/supervise.c mishandles svhandler_flash_ address range checks. If exploited any installed malware could persist even after wiping the device and resetting the firmware.

CVSS Vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://github.com/keepkey/keepkey-firmware/releases/tag/v7.3.2 https://github.com/keepkey/keepkey-firmware/commit/447c1f038a31378ab9589965c098467d9ea6cccc https://blog.inhq.net/posts/keepkey-CVE-2022-30330/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

6.6