GHSA-97cv-6pjf-5f9q

    Dashboard / Vulnerabilities / GHSA-97cv-6pjf-5f9q

    GHSA-97cv-6pjf-5f9q

    Published: 14 May 2022Last Modified: 16 Feb 2025

    Summary: AsyncSSH SSH Server Authentication Bypass

    Details: The SSH server implementation of AsyncSSH before 1.12.1 does not properly check whether authentication is completed before processing other requests. A customized SSH client can simply skip the authentication step.

    References: https://nvd.nist.gov/vuln/detail/CVE-2018-7749, https://github.com/ronf/asyncssh/commit/16e6ebfa893167c7d9d3f6dc7a2c0d197e47f43a, https://github.com/ronf/asyncssh/commit/c161e26cdc0d41b745b63d9f17b437f073bf7ba4, https://github.com/pypa/advisory-database/tree/main/vulns/asyncssh/PYSEC-2018-108.yaml, https://github.com/ronf/asyncssh, https://groups.google.com/forum/#!msg/asyncssh-announce/57_5O7kiHSA/8BXZ_hxHAQAJ

    Affected packages

    Package

    Name: asyncssh

    Purl: pkg:pypi/asyncssh

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.12.1

    Affected versions

    0.8.1
    0.8.2
    0.8.3
    0.8.4

    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