Unscored CVE-2021-31616 EUVD-2021-18505GHSA-jjq4-78fg-7j7h

Insufficient length checks in the ShapeShift KeepKey hardware wallet firmware before 7.1.0 allow a stack buffer overflow via crafted messag…

Published May 6, 2021 · Updated Aug 3, 2024 · Assigned by mitre

Description

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

https://github.com/keepkey/keepkey-firmware/releases/tag/v7.1.0
https://github.com/keepkey/keepkey-firmware/commit/e49d45594002d4d3fbc1f03488e6dfc0a0a65836
https://blog.inhq.net/posts/keepkey-CVE-2021-31616/
https://shapeshift.com/library/keepkey-important-update-issued-april-4-required