Improper Verification of Cryptographic Signature Affecting starkbank_ecdsa package, versions >=1.0.0 <1.0.1


0.0
critical
  • Attack Complexity

    Low

  • Confidentiality

    High

  • Integrity

    High

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  • snyk-id

    SNYK-HEX-STARKBANKECDSA-2940514

  • published

    3 Jul 2022

  • disclosed

    24 May 2022

  • credit

    Paul Bottinelli

How to fix?

Upgrade starkbank_ecdsa to version 1.0.1 or higher.

Overview

Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature due to improper implementation of the verify function which fails to check that the signature is non-zero, potentially allowing attackers to forge signatures on arbitrary messages.