GHSA-q3cc-rr2c-87r6

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    GHSA-q3cc-rr2c-87r6

    Published: 13 May 2022Last Modified: 10 Dec 2025

    Summary: Hex authenticity of signed packages not validated

    Details: Hex package manager hex_core version 0.3.0 and earlier contains a Signing oracle vulnerability in Package registry verification that can result in Package modifications not detected, allowing code execution. This attack appears to be exploitable via victim fetches packages from malicious/compromised mirror. This vulnerability appears to have been fixed in 0.4.0.

    References: https://nvd.nist.gov/vuln/detail/CVE-2019-1000013, https://github.com/hexpm/hex_core/pull/48, https://github.com/hexpm/hex_core/pull/51, https://github.com/hexpm/hex_core

    Affected packages

    Package

    Name: hex_core

    Purl: pkg:hex/hex_core

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -0.4.0

    Affected versions

    0.1.0
    0.1.1

    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