CVE-2021-31616

Summary:

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.

Reference Links(if available):

https://github.com/keepkey/keepkey-firmware/commit/e49d45594002d4d3fbc1f03488e6dfc0a0a65836

https://github.com/keepkey/keepkey-firmware/releases/tag/v7.1.0

https://blog.inhq.net/posts/keepkey-CVE-2021-31616/

https://shapeshift.com/library/keepkey-important-update-issued-april-4-required

CVSS Score (if available)

v2: / MEDIUM

v3: /

Links to Exploits(if available)