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osvGoogleOSV:GHSA-232R-66CG-79PX
HistoryJul 12, 2018 - 8:29 p.m.

Paramiko not properly checking authentication before processing other requests

2018-07-1220:29:30
Google
osv.dev
16

EPSS

0.048

Percentile

92.7%

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