critical
9.8
CWE
287
Advisory Published
Advisory Published
Updated

CVE-2018-7750

First published: Tue Mar 13 2018(Updated: )

A flaw was found in the implementation of transport.py in 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. Upstream Issue: <a href="https://github.com/paramiko/paramiko/issues/1175">https://github.com/paramiko/paramiko/issues/1175</a> Upstream Patch: <a href="https://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516">https://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516</a>

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/python-paramiko<1.17.6
1.17.6
redhat/python-paramiko<1.18.5
1.18.5
redhat/python-paramiko<2.0.8
2.0.8
redhat/python-paramiko<2.1.5
2.1.5
redhat/python-paramiko<2.2.3
2.2.3
redhat/python-paramiko<2.3.2
2.3.2
redhat/python-paramiko<2.4.1
2.4.1
pip/paramiko<1.17.6
1.17.6
pip/paramiko>=1.18.0<1.18.5
1.18.5
pip/paramiko=2.4.0
2.4.1
pip/paramiko>=2.3.0<2.3.2
2.3.2
pip/paramiko>=2.2.0<2.2.3
2.2.3
pip/paramiko>=2.1.0<2.1.5
2.1.5
pip/paramiko>=2.0.0<2.0.8
2.0.8
debian/paramiko
2.7.2-1
2.12.0-2
3.4.1-2
Paramiko<1.17.6
Paramiko>=1.18.0<1.18.5
Paramiko>=2.0.0<2.0.8
Paramiko>=2.1.0<2.1.5
Paramiko>=2.2.0<2.2.3
Paramiko>=2.3.0<2.3.2
Paramiko=2.4.0
Red Hat Ansible Engine=2.0
Red Hat Ansible Engine=2.4
Red Hat CloudForms=4.5
Red Hat CloudForms=4.6
Red Hat Enterprise Virtualization=4.1
Red Hat Enterprise Linux Desktop=6.0
Red Hat Enterprise Linux Server=6.0
Red Hat Enterprise Linux Server=7.0
Red Hat Enterprise Linux Server=6.4
Red Hat Enterprise Linux Server=6.5
Red Hat Enterprise Linux Server=6.6
Red Hat Enterprise Linux Server=6.7
Red Hat Enterprise Linux Server=6.6
Red Hat Enterprise Linux Workstation=6.0
Debian=8.0
Debian=9.0

Remedy

https://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID of this security issue?

    The vulnerability ID of this security issue is CVE-2018-7750.

  • What is the severity of CVE-2018-7750?

    The severity of CVE-2018-7750 is critical with a severity value of 9.8.

  • What software versions are affected by CVE-2018-7750?

    The software versions affected by CVE-2018-7750 are 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.

  • How can I fix CVE-2018-7750?

    To fix CVE-2018-7750, update Paramiko to version 1.17.6 or higher, 1.18.5 or higher, 2.0.8 or higher, 2.1.5 or higher, 2.2.3 or higher, 2.3.2 or higher, or 2.4.1 or higher.

  • Where can I find more information about CVE-2018-7750?

    You can find more information about CVE-2018-7750 in the following references: [link1], [link2], [link3].

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