AIX OpenSSH Advisory : openssh_advisory12.asc

medium Nessus Plugin ID 136325


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The remote AIX host has a version of OpenSSH installed that is affected by an information disclosure vulnerability.


The remote AIX host has a version of OpenSSH installed that is affected by a vulnerability that allows a remote attacker to obtain sensitive information, caused by different responses to valid and invalid authentication attempts. By sending a specially crafted request, an attacker could exploit this vulnerability to enumerate valid usernames.


A fix is available and can be downloaded from the IBM AIX website.

See Also

Plugin Details

Severity: Medium

ID: 136325

File Name: aix_openssh_advisory12.nasl

Version: 1.1

Type: local

Published: 5/5/2020

Updated: 5/5/2020

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2018-15473


Risk Factor: Low

Score: 3.9


Risk Factor: Medium

Base Score: 5

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


Risk Factor: Medium

Base Score: 5.3

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

Vulnerability Information

CPE: cpe:/o:ibm:aix, cpe:/a:openbsd:openssh

Required KB Items: Host/AIX/lslpp, Host/local_checks_enabled, Host/AIX/version

Patch Publication Date: 10/24/2018

Vulnerability Publication Date: 10/24/2018

Reference Information

CVE: CVE-2018-15473

BID: 105140