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.

CVSS v3.1

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0

6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS

2.50% chance of exploitation in the next 30 days, 84th percentile

Published

2021-05-06

Updated

2024-08-03

Proof-of-concept exploits (1)

• https://blog.inhq.net/posts/keepkey-CVE-2021-31616/

References

• CVE Record
• NVD entry

Related

• CVE-2021-31607
• CVE-2021-31624
• CVE-2021-31604
• CVE-2021-31627
• CVE-2021-31602
• CVE-2021-3163