Out-of-bounds Read Affecting keepkey/keepkey-firmware Open this link in a new tab package, versions [,7.3.2)


0.0
medium
  • Attack Complexity

    Low

  • User Interaction

    Required

  • Availability

    High

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  • snyk-id

    SNYK-UNMANAGED-KEEPKEYKEEPKEYFIRMWARE-2812502

  • published

    9 May 2022

  • disclosed

    9 May 2022

  • credit

    Christian Reitter

How to fix?

Upgrade keepkey/keepkey-firmware to version 7.3.2 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Read in lib/board/supervise.c which mishandles svhandler_flash_* address range checks. The bootloader can be exploited in unusual situations where the attacker has physical access, convinces the victim to install malicious firmware, or knows the victim's seed phrase.