UBUNTU-CVE-2022-25638

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    UBUNTU-CVE-2022-25638

    Published: 24 Feb 2022Last Modified: 22 Apr 2026
    Upstream:
    CVE-2022-25638

    Summary:

    Details: In wolfSSL before 5.2.0, certificate validation may be bypassed during attempted authentication by a TLS 1.3 client to a TLS 1.3 server. This occurs when the sig_algo field differs between the certificate_verify message and the certificate message.

    References: https://ubuntu.com/security/CVE-2022-25638, https://github.com/wolfSSL/wolfssl/pull/4813, https://github.com/wolfSSL/wolfssl/commit/e13861bcde8015bb99ddb034224afb66e2fb89b8, https://github.com/wolfSSL/wolfssl/commit/08047b2d959ee5e21a4a2c672308f45fec61f059, https://www.cve.org/CVERecord?id=CVE-2022-25638

    Affected packages

    Package

    Name: wolfssl

    Purl: pkg:deb/ubuntu/[email protected]+dfsg-1?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.4.8+dfsg-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-2022-25638 | CVE-DB