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    CVE-2018-7750

    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.

    Published:Mar 13, 2018
    Last Modified:Nov 21, 2024
    EPS:Mar 13, 2018
    EPSS Score:0.16742
    CVSS Score:9.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Paramiko
    Product
    Paramiko
    Vendor
    Redhat
    Product
    Ansible Engine
    Vendor
    Redhat
    Product
    Cloudforms
    Vendor
    Redhat
    Product
    Cloudforms Managementengine
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Server Aus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Eus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Tus
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Extras Other
    Vendor
    Redhat
    Product
    Rhel Tus
    Vendor
    Redhat
    Product
    Rhev Manager
    Vendor
    Redhat
    Product
    Virtualization

    Exploits

    https://www.exploit-db.com/exploits/45712/https://www.exploit-db.com/exploits/45712/https://www.exploit-db.com/exploits/45712https://github.com/jm33-m0/CVE-2018-7750https://github.com/tlavi00/CVE-2018-7750

    Common Weakness Enumeration

    CWE-287 Improper Authentication

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    References

    http://www.securityfocus.com/bid/103713
    https://access.redhat.com/errata/RHSA-2018:0591
    https://access.redhat.com/errata/RHSA-2018:0646
    https://access.redhat.com/errata/RHSA-2018:1124
    https://access.redhat.com/errata/RHSA-2018:1125
    https://access.redhat.com/errata/RHSA-2018:1213
    https://access.redhat.com/errata/RHSA-2018:1274
    https://access.redhat.com/errata/RHSA-2018:1328
    https://access.redhat.com/errata/RHSA-2018:1525
    https://access.redhat.com/errata/RHSA-2018:1972
    https://github.com/paramiko/paramiko/blob/master/sites/www/changelog.rst
    https://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516
    https://github.com/paramiko/paramiko/issues/1175
    https://lists.debian.org/debian-lts-announce/2018/10/msg00018.html
    https://lists.debian.org/debian-lts-announce/2021/12/msg00025.html
    https://usn.ubuntu.com/3603-1/
    https://usn.ubuntu.com/3603-2/
    https://www.exploit-db.com/exploits/45712/
    http://www.securityfocus.com/bid/103713
    https://access.redhat.com/errata/RHSA-2018:0591
    https://access.redhat.com/errata/RHSA-2018:0646
    https://access.redhat.com/errata/RHSA-2018:1124
    https://access.redhat.com/errata/RHSA-2018:1125
    https://access.redhat.com/errata/RHSA-2018:1213
    https://access.redhat.com/errata/RHSA-2018:1274
    https://access.redhat.com/errata/RHSA-2018:1328
    https://access.redhat.com/errata/RHSA-2018:1525
    https://access.redhat.com/errata/RHSA-2018:1972
    https://github.com/paramiko/paramiko/blob/master/sites/www/changelog.rst
    https://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516
    https://github.com/paramiko/paramiko/issues/1175
    https://lists.debian.org/debian-lts-announce/2018/10/msg00018.html
    https://lists.debian.org/debian-lts-announce/2021/12/msg00025.html
    https://usn.ubuntu.com/3603-1/
    https://usn.ubuntu.com/3603-2/
    https://www.exploit-db.com/exploits/45712/

    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