BIP-143 in the Bitcoin protocol specification mishandles the signing of a Segwit transaction, which allows malicious users to trick a user into making two signatures in certain cases, potentially leading to a huge transaction fee. NOTE: this affects all hardware wallets. It was fixed in 1.9.1 for the Trezor One and 2.3.1 for the Trezor Model T.
Vulnerable Product | Search on Vulmon | Subscribe to Product |
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satoshilabs trezor_model_t_firmware |
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satoshilabs trezor_one_firmware |