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Security Advisories: GSA_kwCzR0hTQS05N2N2LTZwamYtNWY5cc4AAUF3
AsyncSSH SSH Server Authentication Bypass
The SSH server implementation of AsyncSSH before 1.12.1 does not properly check whether authentication is completed before processing other requests. A customized SSH client can simply skip the authentication step.
Permalink: https://github.com/advisories/GHSA-97cv-6pjf-5f9qJSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS05N2N2LTZwamYtNWY5cc4AAUF3
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: about 2 years ago
Updated: 8 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-97cv-6pjf-5f9q, CVE-2018-7749
References:
- https://nvd.nist.gov/vuln/detail/CVE-2018-7749
- https://github.com/ronf/asyncssh/commit/c161e26cdc0d41b745b63d9f17b437f073bf7ba4
- https://groups.google.com/forum/#!msg/asyncssh-announce/57_5O7kiHSA/8BXZ_hxHAQAJ
- https://github.com/ronf/asyncssh/commit/16e6ebfa893167c7d9d3f6dc7a2c0d197e47f43a
- https://github.com/advisories/GHSA-97cv-6pjf-5f9q
Blast Radius: 28.1
Affected Packages
pypi:AsyncSSH
Dependent packages: 104Dependent repositories: 743
Downloads: 1,495,475 last month
Affected Version Ranges: < 1.12.1
Fixed in: 1.12.1
All affected versions: 0.8.1, 0.8.2, 0.8.3, 0.8.4, 0.9.0, 0.9.1, 0.9.2, 1.0.0, 1.0.1, 1.1.0, 1.1.1, 1.2.0, 1.2.1, 1.3.0, 1.3.1, 1.3.2, 1.4.0, 1.4.1, 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.5.5, 1.5.6, 1.6.0, 1.6.1, 1.6.2, 1.7.1, 1.7.2, 1.7.3, 1.8.0, 1.8.1, 1.9.0, 1.10.0, 1.10.1, 1.11.0, 1.11.1, 1.12.0
All unaffected versions: 1.12.1, 1.12.2, 1.13.0, 1.13.1, 1.13.2, 1.13.3, 1.14.0, 1.15.0, 1.15.1, 1.16.0, 1.16.1, 1.17.0, 1.17.1, 1.18.0, 2.0.0, 2.0.1, 2.1.0, 2.2.0, 2.2.1, 2.3.0, 2.4.0, 2.4.1, 2.4.2, 2.5.0, 2.6.0, 2.7.0, 2.7.1, 2.7.2, 2.8.0, 2.8.1, 2.9.0, 2.10.0, 2.10.1, 2.11.0, 2.12.0, 2.13.0, 2.13.1, 2.13.2, 2.14.0, 2.14.1, 2.14.2