UBUNTU-CVE-2018-7750

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    UBUNTU-CVE-2018-7750

    Published: 13 Mar 2018Last Modified: 4 Feb 2026
    Upstream:
    CVE-2018-7750

    Summary:

    Details: transport.py in the SSH server implementation of Paramiko before 1.17.6, 1.18.x before 1.18.5, 2.0.x before 2.0.8, 2.1.x before 2.1.5, 2.2.x before 2.2.3, 2.3.x before 2.3.2, and 2.4.x before 2.4.1 does not properly check whether authentication is completed before processing other requests, as demonstrated by channel-open. A customized SSH client can simply skip the authentication step.

    References: https://ubuntu.com/security/CVE-2018-7750, https://github.com/paramiko/paramiko/issues/1175, https://github.com/paramiko/paramiko/blob/master/sites/www/changelog.rst, https://ubuntu.com/security/notices/USN-3603-1, https://ubuntu.com/security/notices/USN-3603-2, https://www.cve.org/CVERecord?id=CVE-2018-7750

    Affected packages

    Package

    Name: paramiko

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.10.1-1git1ubuntu0.1

    Affected versions

    1.10.1-1
    1.10.1-1git1
    1.10.1-1git1build1

    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