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8.8
CVSSv3

CVE-2021-31616

Published: 06/05/2021 Updated: 03/05/2022
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8
VMScore: 605
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
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Vulnerability Summary

Insufficient length checks in the ShapeShift KeepKey hardware wallet firmware prior to 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.

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shapeshift keepkey_firmware

References

CWE-787https://github.com/keepkey/keepkey-firmware/commit/e49d45594002d4d3fbc1f03488e6dfc0a0a65836https://github.com/keepkey/keepkey-firmware/releases/tag/v7.1.0https://blog.inhq.net/posts/keepkey-CVE-2021-31616/https://shapeshift.com/library/keepkey-important-update-issued-april-4-requiredhttps://nvd.nist.gov
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
SSTICVE-2024-35863CVE-2024-35910man-in-the-middleCVE-2024-35912CVE-2024-25742LFICVE-2024-32002CVE-2024-22120
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