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Advisories

Ledger Bitcoin App 2.1.0 Address Derivation Error via Miniscript

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severity
medium
date
Affecting

  • Ledger Bitcoin app <= 2.1.0, 2.1.1

CWE
  • CWE-682 Incorrect Calculation
CVSS
4.1
CVSS V4 Vector
CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Credit
Kevin Loaec, Antoine Poinsot, VulnCheck
Description
Ledger Bitcoin app versions 2.1.0 and 2.1.1 contain an address derivation vulnerability that allows attackers to cause incorrect Bitcoin addresses to be displayed by exploiting improper handling of miniscript policies containing the a: fragment. Attackers can craft malicious miniscript policies that cause the device to derive and display incorrect receiving addresses, potentially leading to funds being sent to unintended addresses.

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