Vulnerability Details : CVE-2021-31616
Potential exploit
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.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2021-31616
- cpe:2.3:o:shapeshift:keepkey_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-31616
2.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-31616
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2021-31616
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-31616
-
https://github.com/keepkey/keepkey-firmware/commit/e49d45594002d4d3fbc1f03488e6dfc0a0a65836
710 merge · keepkey/keepkey-firmware@e49d455 · GitHubPatch;Third Party Advisory
-
https://github.com/keepkey/keepkey-firmware/releases/tag/v7.1.0
Release Release v7.1.0 · keepkey/keepkey-firmware · GitHubRelease Notes;Third Party Advisory
-
https://shapeshift.com/library/keepkey-important-update-issued-april-4-required
KeepKey: Important Update (Issued April 12) RequiredVendor Advisory
-
https://blog.inhq.net/posts/keepkey-CVE-2021-31616/
KeepKey Stack Buffer Overflow Vulnerability (CVE-2021-31616) | invd blogExploit;Patch;Third Party Advisory
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