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CVSS v3.1
3.8
EPSS
0.47%
Published
May 2, 2023
Modified
Jan 30, 2025
Public PoC / Exploit (1)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
Insufficient length checks in the ShapeShift KeepKey hardware wallet firmware before 7.7.0 allow a global buffer overflow via crafted messages. Flaws in cf_confirmExecTx() in ethereum_contracts.c can be used to reveal arbitrary microcontroller memory on the device screen or crash the device. With physical access to a PIN-unlocked device, attackers can extract the BIP39 mnemonic secret from the hardware wallet.
CVSS Vector
CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:NWeaknesses (CWE)
Affected Products (2)
References (4)