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CVE-2019-18671

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Keepkey ≫ Keepkey Firmware Version < 6.2.2
   Keepkey ≫ Keepkey Version-
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 3.27% 0.868
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 10 10 10
AV:N/AC:L/Au:N/C:C/I:C/A:C
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://blog.inhq.net/posts/keepkey-CVE-2019-18671/
https://github.com/keepkey/keepkey-firmware/commit/b222c66cdd7c3203d917c80ba615082d309d80c3
Patch
Third Party Advisory
https://medium.com/shapeshift-stories/keepkey-release-notes-v-6f7d2ec78065
Third Party Advisory
Release Notes
https://medium.com/shapeshift-stories/shapeshift-security-update-8ec89bb1b4e3
Third Party Advisory