CVE-2019-18671 — Insufficient checks in the USB packet handling of the ShapeShift KeepKey hardwar
Insufficient checks in the USB packet handling of the ShapeShift KeepKey hardware wallet before firmware 6.2.2 allow out-of-bounds writes in the .bss segment via crafted messages. The vulnerability could allow code execution or other forms of impact. It can be triggered by unauth
Published
2019-12-06T17:53:29.000Z
Last modified
2024-08-05T01:54:14.598Z
01What is this vulnerability?
Insufficient checks in the USB packet handling of the ShapeShift KeepKey hardware wallet before firmware 6.2.2 allow out-of-bounds writes in the .bss segment via crafted messages. The vulnerability could allow code execution or other forms of impact. It can be triggered by unauthenticated attackers and the interface is reachable via WebUSB.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / n/a | n/a |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2019-12-06T17:53:29.000Z
- Last modified: 2024-08-05T01:54:14.598Z
09References
- github.com — https://github.com/keepkey/keepkey-firmware/commit/b222c66cdd7c3203d917c80ba6150…
- medium.com — https://medium.com/shapeshift-stories/keepkey-release-notes-v-6f7d2ec78065
- medium.com — https://medium.com/shapeshift-stories/shapeshift-security-update-8ec89bb1b4e3
- blog.inhq.net — https://blog.inhq.net/posts/keepkey-CVE-2019-18671/
Want this in your SOAR or SIEM?
SARA's API returns EPSS, CVSS, KEV, and an analyst-grade summary in one call.
Read the API reference →