CVE-2021-31616
HIGHKeepKey Firmware >=7.0.3 <7.1.0 - Stack Buffer Overflow via Ethereum Thorchain Swap Data Extraction
Title source: llmDescription
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.
References (4)
Core 4
Core References
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/keepkey/keepkey-firmware/releases/tag/v7.1.0
Patch, Third Party Advisory x_refsource_misc
https://github.com/keepkey/keepkey-firmware/commit/e49d45594002d4d3fbc1f03488e6dfc0a0a65836
Exploit, Patch, Third Party Advisory x_refsource_misc
https://blog.inhq.net/posts/keepkey-CVE-2021-31616/
Vendor Advisory x_refsource_misc
https://shapeshift.com/library/keepkey-important-update-issued-april-4-required
Scores
CVSS v3
8.8
EPSS
0.0250
EPSS Percentile
82.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (1)
shapeshift/keepkey_firmware
7.0.3 - 7.1.0
Published
May 06, 2021
Tracked Since
Feb 18, 2026