Vulnerability · Published May 6, 2021 · Assigned by mitre
CVE-2021-31616
High 8.8
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.5% (higher than 85% of all known vulnerabilities).
Severity (CVSS NVD)8.8High
Exploit odds (30 days)2.5%top 15.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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 (as reported)
References
- https://github.com/keepkey/keepkey-firmware/releases/tag/v7.1.0 x_refsource_MISC
- https://github.com/keepkey/keepkey-firmware/commit/e49d45594002d4d3fbc1f03488e6dfc0a0a65836 x_refsource_MISC
- https://blog.inhq.net/posts/keepkey-CVE-2021-31616/ x_refsource_MISC
- https://shapeshift.com/library/keepkey-important-update-issued-april-4-required x_refsource_MISC