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CVE-2019-18672
Current Description
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.
Basic Data
| Published | December 06, 2019 |
|---|---|
| Last Modified | March 02, 2020 |
| Assigner | cve@mitre.org |
| Data Type | CVE |
| Data Format | MITRE |
| Data Version | 4.0 |
| Problem Type | CWE-354 |
| CVE Data Version | 4.0 |
Base Metric V2
| CVSS 2 - Version | 2.0 |
|---|---|
| CVSS 2 - Vector String | AV:N/AC:L/Au:N/C:N/I:P/A:N |
| CVSS 2 - Access Vector | NETWORK |
| CVSS 2 - Access Complexity | LOW |
| CVSS 2 - Authentication | NONE |
| CVSS 2 - Confidentiality Impact | NONE |
| CVSS 2 - Availability Impact | NONE |
| CVSS 2 - Base Score | 5.0 |
| Severity | MEDIUM |
| Exploitability Score | 10.0 |
| Impact Score | 2.9 |
| Obtain All Privilege | false |
| Obtain User Privilege | false |
| Obtain Other Privilege | false |
Base Metric V3
No data provided.
Configurations
-
AND
-
OR - Configuration 1
Cpe Version Part Vendor Product Version Update Edition Language SW Edition Target SW Target HW Other Version Start Including Version End Including Version Start Excluding Version End Excluding 2.3 OS Shapeshift Keepkey Firmware * * * * * * * * 6.2.2 -
OR Running on/with:
Cpe Version Part Vendor Product Version Update Edition Language SW Edition Target SW Target HW Other Version Start Including Version End Including Version Start Excluding Version End Excluding 2.3 Hardware Shapeshift Keepkey Firmware - * * * * * * *
-
OR - Configuration 1
Vulnerable Software List
| Vendor | Product | Versions |
|---|---|---|
| Shapeshift | Keepkey Firmware | * |
References
| Name | Source | URL | Tags |
|---|---|---|---|
| https://blog.inhq.net/posts/keepkey-CVE-2019-18672/ | https://blog.inhq.net/posts/keepkey-CVE-2019-18672/ | MISC | |
| https://github.com/keepkey/keepkey-firmware/commit/769714fcb569e7a4faff9530a2d9ac1f9d6e5680 | https://github.com/keepkey/keepkey-firmware/commit/769714fcb569e7a4faff9530a2d9ac1f9d6e5680 | MISC | Patch Third Party Advisory |
| https://medium.com/shapeshift-stories/keepkey-release-notes-v-6f7d2ec78065 | https://medium.com/shapeshift-stories/keepkey-release-notes-v-6f7d2ec78065 | MISC | Third Party Advisory |
| https://medium.com/shapeshift-stories/shapeshift-security-update-8ec89bb1b4e3 | https://medium.com/shapeshift-stories/shapeshift-security-update-8ec89bb1b4e3 | CONFIRM | Third Party Advisory |