Security Advisory

CVE-2020-14199

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2020-06-16 17:07:22

Last updated 2024-08-04 12:39:36

Assigner mitre

State PUBLISHED

Description

BIP-143 in the Bitcoin protocol specification mishandles the signing of a Segwit transaction, which allows attackers 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.

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