CVE-2021-31616

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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)