Improper Authentication Affecting python27-paramiko package, versions <0:1.15.1-2.6.amzn1


Severity

Recommended
0.0
critical
0
10

Based on Amazon Linux security rating.

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
27.11% (98th percentile)

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  • Snyk IDSNYK-AMZN201803-PYTHON27PARAMIKO-1713502
  • published27 Sept 2021
  • disclosed13 Mar 2018

Introduced: 13 Mar 2018

CVE-2018-7750  (opens in a new tab)
CWE-287  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 python27-paramiko to version 0:1.15.1-2.6.amzn1 or higher.
This issue was patched in ALAS-2018-989.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python27-paramiko package and not the python27-paramiko package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1