GHSA-q9q6-f556-gpm7

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    GHSA-q9q6-f556-gpm7

    Published: 10 Nov 2021Last Modified: 8 Nov 2023

    Summary: Improper Verification of Cryptographic Signature in starkbank-ecdsa

    Details: The verify function in the Stark Bank Node.js ECDSA library (ecdsa-node) 1.1.2 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages.

    References: https://nvd.nist.gov/vuln/detail/CVE-2021-43571, https://github.com/starkbank/ecdsa-node, https://github.com/starkbank/ecdsa-node/releases/tag/v1.1.3, https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries

    Affected packages

    Package

    Name: starkbank-ecdsa

    Purl: pkg:npm/starkbank-ecdsa

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -1.1.3

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-q9q6-f556-gpm7 | CVE-DB