UBUNTU-CVE-2023-46445

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    UBUNTU-CVE-2023-46445

    Published: 14 Nov 2023Last Modified: 28 Feb 2026
    Upstream:
    CVE-2023-46445

    Summary:

    Details: An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message (RFC 8308) via a man-in-the-middle attack, aka a "Rogue Extension Negotiation."

    References: https://ubuntu.com/security/CVE-2023-46445, https://github.com/ronf/asyncssh/security/advisories/GHSA-cfc2-wr2v-gxm5, https://www.cve.org/CVERecord?id=CVE-2023-46445, https://ubuntu.com/security/notices/USN-7108-1, https://ubuntu.com/security/notices/USN-7108-2

    Affected packages

    Package

    Name: python-asyncssh

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    1.2.0-1
    1.2.1-1

    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
    UBUNTU-CVE-2023-46445 | CVE-DB