Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Keepkey | Keepkey Firmware | < 6.2.2 |
| Keepkey | Keepkey | - |
Related Weaknesses (CWE)
References
- https://blog.inhq.net/posts/keepkey-CVE-2019-18671/
- https://github.com/keepkey/keepkey-firmware/commit/b222c66cdd7c3203d917c80ba6150PatchThird Party Advisory
- https://medium.com/shapeshift-stories/keepkey-release-notes-v-6f7d2ec78065Release NotesThird Party Advisory
- https://medium.com/shapeshift-stories/shapeshift-security-update-8ec89bb1b4e3Third Party Advisory
- https://blog.inhq.net/posts/keepkey-CVE-2019-18671/
- https://github.com/keepkey/keepkey-firmware/commit/b222c66cdd7c3203d917c80ba6150PatchThird Party Advisory
- https://medium.com/shapeshift-stories/keepkey-release-notes-v-6f7d2ec78065Release NotesThird Party Advisory
- https://medium.com/shapeshift-stories/shapeshift-security-update-8ec89bb1b4e3Third Party Advisory
FAQ
What is CVE-2019-18671?
CVE-2019-18671 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 co...
How severe is CVE-2019-18671?
CVE-2019-18671 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-18671?
Check the references section above for vendor advisories and patch information. Affected products include: Keepkey Keepkey Firmware, Keepkey Keepkey.