CVE Vulnerability

CVE-2021-31616

Insufficient length checks in the ShapeShift KeepKey hardware wallet firmware before 7.1.0 allow a stack buffer overflow via crafted messages. The overflow in ethereum_extractThorchainSwapData() in ethereum.c can circumvent stack protections and lead to code execution. The vulnerable interface is reachable remotely over WebUSB.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/keepkey/keepkey-firmware/commit/e49d45594002d4d3fbc1f03488e6dfc0a0a65836 Patch Third Party Advisory
https://github.com/keepkey/keepkey-firmware/releases/tag/v7.1.0 Release Notes Third Party Advisory
https://blog.inhq.net/posts/keepkey-CVE-2021-31616/ Exploit Patch
https://shapeshift.com/library/keepkey-important-update-issued-april-4-required Vendor Advisory
Configurations

Configuration 1
Information

Published : 2021-05-06 01:15

Updated : 2022-05-03 04:04

NVD link : CVE-2021-31616

Mitre link : CVE-2021-31616

Products Affected

Keepkey Firmware

Shapeshift

CWE
CWE-787