Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.022
EPSS Ranking 83.5%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 6.8
References
- 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
Products affected by CVE-2021-31616
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cpe:2.3:h:shapeshift:keepkey:-
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cpe:2.3:o:shapeshift:keepkey_firmware:7.0.3