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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTIzMnItNjZjZy03OXB4

Paramiko not properly checking authentication before processing other requests

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.

Permalink: https://github.com/advisories/GHSA-232r-66cg-79px
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTIzMnItNjZjZy03OXB4
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 6 years ago
Updated: about 2 months ago


CVSS Score: 9.8
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Identifiers: GHSA-232r-66cg-79px, CVE-2018-7750
References: Repository: https://github.com/paramiko/paramiko
Blast Radius: 44.0

Affected Packages

pypi:paramiko
Dependent packages: 938
Dependent repositories: 30,613
Downloads: 67,064,679 last month
Affected Version Ranges: < 1.17.6, >= 1.18.0, < 1.18.5, = 2.4.0, >= 2.3.0, < 2.3.2, >= 2.2.0, < 2.2.3, >= 2.1.0, < 2.1.5, >= 2.0.0, < 2.0.8
Fixed in: 1.17.6, 1.18.5, 2.4.1, 2.3.2, 2.2.3, 2.1.5, 2.0.8
All affected versions: 1.3.1, 1.5.1, 1.5.2, 1.5.4, 1.6.1, 1.6.2, 1.6.3, 1.6.4, 1.7.1, 1.7.2, 1.7.4, 1.7.5, 1.7.6, 1.8.0, 1.8.1, 1.9.0, 1.10.0, 1.10.1, 1.10.2, 1.10.3, 1.10.4, 1.10.5, 1.10.6, 1.10.7, 1.11.0, 1.11.1, 1.11.2, 1.11.3, 1.11.4, 1.11.5, 1.11.6, 1.12.0, 1.12.1, 1.12.2, 1.12.3, 1.12.4, 1.13.0, 1.13.1, 1.13.2, 1.13.3, 1.13.4, 1.14.0, 1.14.1, 1.14.2, 1.14.3, 1.15.0, 1.15.1, 1.15.2, 1.15.3, 1.15.4, 1.15.5, 1.16.0, 1.16.1, 1.16.2, 1.16.3, 1.17.0, 1.17.1, 1.17.2, 1.17.3, 1.17.4, 1.17.5, 1.18.0, 1.18.1, 1.18.2, 1.18.3, 1.18.4, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.2.0, 2.2.1, 2.2.2, 2.3.0, 2.3.1, 2.4.0
All unaffected versions: 1.17.6, 1.18.5, 2.0.8, 2.0.9, 2.1.5, 2.1.6, 2.2.3, 2.2.4, 2.3.2, 2.3.3, 2.4.1, 2.4.2, 2.4.3, 2.5.0, 2.5.1, 2.6.0, 2.7.0, 2.7.1, 2.7.2, 2.8.0, 2.8.1, 2.9.0, 2.9.1, 2.9.2, 2.9.3, 2.9.4, 2.9.5, 2.10.0, 2.10.1, 2.10.2, 2.10.3, 2.10.4, 2.10.5, 2.10.6, 2.11.0, 2.11.1, 2.12.0, 3.0.0, 3.1.0, 3.2.0, 3.3.0, 3.3.1, 3.3.2, 3.4.0, 3.4.1, 3.5.0