Vulnerabilities > CVE-2019-18671 - Out-of-bounds Write vulnerability in Keepkey Firmware
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://blog.inhq.net/posts/keepkey-CVE-2019-18671/
- https://blog.inhq.net/posts/keepkey-CVE-2019-18671/
- https://github.com/keepkey/keepkey-firmware/commit/b222c66cdd7c3203d917c80ba615082d309d80c3
- https://github.com/keepkey/keepkey-firmware/commit/b222c66cdd7c3203d917c80ba615082d309d80c3
- https://medium.com/shapeshift-stories/keepkey-release-notes-v-6f7d2ec78065
- https://medium.com/shapeshift-stories/keepkey-release-notes-v-6f7d2ec78065
- https://medium.com/shapeshift-stories/shapeshift-security-update-8ec89bb1b4e3
- https://medium.com/shapeshift-stories/shapeshift-security-update-8ec89bb1b4e3