CVE-2019-18672

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Summary

CVECVE-2019-18672
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-12-06 18:15:00 UTC
Updated2020-03-02 15:15:00 UTC
DescriptionInsufficient checks in the finite state machine of the ShapeShift KeepKey hardware wallet before firmware 6.2.2 allow a partial reset of cryptographic secrets to known values via crafted messages. Notably, this breaks the security of U2F for new server registrations and invalidates existing registrations. This vulnerability can be exploited by unauthenticated attackers and the interface is reachable via WebUSB.

Risk And Classification

Problem Types: CWE-354

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Shapeshift Keepkey Firmware - All All All
Hardware Shapeshift Keepkey Firmware - All All All
Operating System Shapeshift Keepkey Firmware All All All All
Operating System Shapeshift Keepkey Firmware All All All All

References

ReferenceSourceLinkTags
KeepKey Release Notes — v6.2.2. Download the latest KeepKey Client and… | by ShapeShift | ShapeShift Stories | Medium MISC medium.com Third Party Advisory
firmware: stronger recovery state machine checks · keepkey/keepkey-firmware@769714f · GitHub MISC github.com Patch, Third Party Advisory
ShapeShift Security Update - ShapeShift Stories - Medium CONFIRM medium.com Third Party Advisory
KeepKey key erasure vulnerability (VULN-1971) | invd blog MISC blog.inhq.net
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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