Vulnerability Details CVE-2019-18672
Insufficient 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 64.0%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- https://blog.inhq.net/posts/keepkey-CVE-2019-18672/
- https://github.com/keepkey/keepkey-firmware/commit/769714fcb569e7a4faff9530a2d9ac1f9d6e5680
- https://medium.com/shapeshift-stories/keepkey-release-notes-v-6f7d2ec78065
- https://medium.com/shapeshift-stories/shapeshift-security-update-8ec89bb1b4e3
- https://blog.inhq.net/posts/keepkey-CVE-2019-18672/
- https://github.com/keepkey/keepkey-firmware/commit/769714fcb569e7a4faff9530a2d9ac1f9d6e5680
- https://medium.com/shapeshift-stories/keepkey-release-notes-v-6f7d2ec78065
- https://medium.com/shapeshift-stories/shapeshift-security-update-8ec89bb1b4e3
Products affected by CVE-2019-18672
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cpe:2.3:h:shapeshift:keepkey_firmware:-
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cpe:2.3:o:shapeshift:keepkey_firmware:1.0.0
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cpe:2.3:o:shapeshift:keepkey_firmware:1.0.1
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cpe:2.3:o:shapeshift:keepkey_firmware:1.0.3
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cpe:2.3:o:shapeshift:keepkey_firmware:1.0.4
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cpe:2.3:o:shapeshift:keepkey_firmware:1.0.5
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cpe:2.3:o:shapeshift:keepkey_firmware:1.1.0
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cpe:2.3:o:shapeshift:keepkey_firmware:1.2.0
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cpe:2.3:o:shapeshift:keepkey_firmware:2.0.11
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cpe:2.3:o:shapeshift:keepkey_firmware:2.0.12
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cpe:2.3:o:shapeshift:keepkey_firmware:2.0.9
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cpe:2.3:o:shapeshift:keepkey_firmware:2.1.0
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cpe:2.3:o:shapeshift:keepkey_firmware:2.2.0
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cpe:2.3:o:shapeshift:keepkey_firmware:3.0.1
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cpe:2.3:o:shapeshift:keepkey_firmware:3.0.10
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cpe:2.3:o:shapeshift:keepkey_firmware:3.0.12
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cpe:2.3:o:shapeshift:keepkey_firmware:3.0.14
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cpe:2.3:o:shapeshift:keepkey_firmware:3.0.15
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cpe:2.3:o:shapeshift:keepkey_firmware:3.0.16
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cpe:2.3:o:shapeshift:keepkey_firmware:3.0.17
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cpe:2.3:o:shapeshift:keepkey_firmware:3.0.18
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cpe:2.3:o:shapeshift:keepkey_firmware:3.0.2
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cpe:2.3:o:shapeshift:keepkey_firmware:3.0.3
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cpe:2.3:o:shapeshift:keepkey_firmware:3.0.5
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cpe:2.3:o:shapeshift:keepkey_firmware:3.0.6
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cpe:2.3:o:shapeshift:keepkey_firmware:3.0.7
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cpe:2.3:o:shapeshift:keepkey_firmware:3.0.8
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cpe:2.3:o:shapeshift:keepkey_firmware:3.0.9
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cpe:2.3:o:shapeshift:keepkey_firmware:3.1.0
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cpe:2.3:o:shapeshift:keepkey_firmware:4.0.0
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cpe:2.3:o:shapeshift:keepkey_firmware:4.0.1
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cpe:2.3:o:shapeshift:keepkey_firmware:4.0.3
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cpe:2.3:o:shapeshift:keepkey_firmware:5.0.0
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cpe:2.3:o:shapeshift:keepkey_firmware:5.0.1
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cpe:2.3:o:shapeshift:keepkey_firmware:5.1.0
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cpe:2.3:o:shapeshift:keepkey_firmware:5.1.1
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cpe:2.3:o:shapeshift:keepkey_firmware:5.1.2
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cpe:2.3:o:shapeshift:keepkey_firmware:5.10.1
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cpe:2.3:o:shapeshift:keepkey_firmware:5.10.2
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cpe:2.3:o:shapeshift:keepkey_firmware:5.11.0
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cpe:2.3:o:shapeshift:keepkey_firmware:5.2.2
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cpe:2.3:o:shapeshift:keepkey_firmware:5.2.4
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cpe:2.3:o:shapeshift:keepkey_firmware:5.3.0
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cpe:2.3:o:shapeshift:keepkey_firmware:5.4.1
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cpe:2.3:o:shapeshift:keepkey_firmware:5.5.0
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cpe:2.3:o:shapeshift:keepkey_firmware:5.6.1
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cpe:2.3:o:shapeshift:keepkey_firmware:5.7.0
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cpe:2.3:o:shapeshift:keepkey_firmware:5.8.0
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cpe:2.3:o:shapeshift:keepkey_firmware:5.8.1
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cpe:2.3:o:shapeshift:keepkey_firmware:5.9.0
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cpe:2.3:o:shapeshift:keepkey_firmware:5.9.1
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cpe:2.3:o:shapeshift:keepkey_firmware:6.0.0
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cpe:2.3:o:shapeshift:keepkey_firmware:6.0.1
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cpe:2.3:o:shapeshift:keepkey_firmware:6.0.2
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cpe:2.3:o:shapeshift:keepkey_firmware:6.0.4
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cpe:2.3:o:shapeshift:keepkey_firmware:6.1.0
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cpe:2.3:o:shapeshift:keepkey_firmware:6.1.1
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cpe:2.3:o:shapeshift:keepkey_firmware:6.2.0