CVE-2018-7750

Critical

Description

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.

SeverityCritical

CVSS9.8

Exploit probability—

Product

Paramiko

PublishedMar 13, 2018

First seenMar 13, 2018

How to fix

Update

paramiko paramiko1.17.6, 1.18.5, 2.0.8, 2.1.5, 2.2.3, 2.3.2 or later
paramiko2.0.8, 2.1.5, 2.2.3, 2.3.2, 2.4.1, 1.18.5, 1.17.6 or later

Vendor advisories

Affected products

Product	Affected versions	Fixed in
paramiko paramiko	v < 1.17.6, 1.18.0 ≤ v < 1.18.5, 2.0.0 ≤ v < 2.0.8, 2.1.0 ≤ v < 2.1.5, 2.2.0 ≤ v < 2.2.3, 2.3.0 ≤ v < 2.3.2, 2.4.0	1.17.6, 1.18.5, 2.0.8, 2.1.5, 2.2.3, 2.3.2
redhat ansible_engine	2.0, 2.4	—
redhat cloudforms	4.5, 4.6	—
redhat virtualization	4.1	—
redhat enterprise_linux_desktop	6.0	—
redhat enterprise_linux_server	6.0, 7.0	—
redhat enterprise_linux_server_aus	6.4, 6.5, 6.6	—
redhat enterprise_linux_server_eus	6.7	—
redhat enterprise_linux_server_tus	6.6	—
redhat enterprise_linux_workstation	6.0	—
debian debian_linux	8.0, 9.0	—
paramikoPyPI	2.0.0 ≤ v < 2.0.8, 2.1.0 ≤ v < 2.1.5, 2.2.0 ≤ v < 2.2.3, 2.3.0 ≤ v < 2.3.2, 2.4.0 ≤ v < 2.4.1, 1.18.0 ≤ v < 1.18.5, v < 1.17.6	2.0.8, 2.1.5, 2.2.3, 2.3.2, 2.4.1, 1.18.5, 1.17.6

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