FreeBSD : py-asyncssh -- Allows bypass of authentication (0e8f496a-b498-11e8-bdcf-74d435e60b7c)

critical Nessus Plugin ID 119510

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Synopsis

The remote FreeBSD host is missing a security-related update.

Description

mitre.org Reports :

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.

Solution

Update the affected package.

See Also

http://www.nessus.org/u?5300c350

Plugin Details

Severity: Critical

ID: 119510

File Name: freebsd_pkg_0e8f496ab49811e8bdcf74d435e60b7c.nasl

Version: 1.3

Type: local

Published: 12/10/2018

Updated: 5/13/2020

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:py-asyncssh, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 12/8/2018

Vulnerability Publication Date: 3/7/2018

Reference Information

CVE: CVE-2018-7749