Design/Logic Flaw

2019-12-0618:15:00

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www.prio-n.com

9.6 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

74.5%

JSON

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.

CPENameOperatorVersion
keepkey_firmwarelt6.2.2

CPE	Name	Operator	Version
	keepkey_firmware	lt	6.2.2

References

blog.inhq.net/posts/keepkey-CVE-2019-18671/

github.com/keepkey/keepkey-firmware/commit/b222c66cdd7c3203d917c80ba615082d309d80c3

medium.com/shapeshift-stories/keepkey-release-notes-v-6f7d2ec78065

medium.com/shapeshift-stories/shapeshift-security-update-8ec89bb1b4e3