high8.8
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.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Shapeshift | Keepkey Firmware | from 7.0.3 before 7.1.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://blog.inhq.net/posts/keepkey-CVE-2021-31616/
- https://github.com/keepkey/keepkey-firmware/commit/e49d45594002d4d3fbc1f03488e6dfc0a0a65836
- https://github.com/keepkey/keepkey-firmware/releases/tag/v7.1.0
- https://shapeshift.com/library/keepkey-important-update-issued-april-4-required
- https://blog.inhq.net/posts/keepkey-CVE-2021-31616/
- https://github.com/keepkey/keepkey-firmware/commit/e49d45594002d4d3fbc1f03488e6dfc0a0a65836
- https://github.com/keepkey/keepkey-firmware/releases/tag/v7.1.0
- https://shapeshift.com/library/keepkey-important-update-issued-april-4-required