CVE-2023-27892 describes a global buffer overflow vulnerability in ShapeShift KeepKey hardware wallet firmware versions prior to 7.7.0. This flaw, stemming from insufficient length checks in message processing, allows an attacker with physical access to a PIN-unlocked device to craft malicious messages. The vulnerability has a CVSS score of 5.7 (Medium) and could lead to the exposure of the BIP39 mnemonic secret or device crashes. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 7.5.2, < 7.7.0CPE matchmatch criteria | cpe:2.3:o:shapeshift:keepkey_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
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The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.