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PRIOn knowledge basePRION:CVE-2023-27892HistoryMay 02, 2023 - 9:15 p.m.
Buffer overflow
2023-05-0221:15:00
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buffer overflow
memory disclosure
shapeshift keepkey
firmware
insufficient length checks
bip39 mnemonic secret
physical access
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.
| CPE | Name | Operator | Version |
|---|---|---|---|
| keepkey_firmware | ge | 7.5.2 | |
| keepkey_firmware | lt | 7.7.0 |
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