UBUNTU-CVE-2024-37568

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    UBUNTU-CVE-2024-37568

    Published: 9 Jun 2024Last Modified: 16 Jul 2026
    Upstream:
    CVE-2024-37568
    Aliases:
    USN-8065-1

    Summary:

    Details: lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)

    References: https://ubuntu.com/security/CVE-2024-37568, https://www.cve.org/CVERecord?id=CVE-2024-37568, https://github.com/lepture/authlib/issues/654, https://github.com/lepture/authlib/commit/3bea812acefebc9ee108aa24557be3ba8971daf1, https://ubuntu.com/security/notices/USN-8065-1

    Affected packages

    Package

    Name: python-authlib

    Purl: pkg:deb/ubuntu/python-authlib?arch=source&distro=esm-apps%2Fjammy

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.15.5-1ubuntu0.1~esm1

    Affected versions

    0.15.4-1
    0.15.5-1

    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
    UBUNTU-CVE-2024-37568 | CVE-DB