Amazon Linux AMI : openssh (ALAS-2018-1075)

High Nessus Plugin ID 117347

Synopsis

The remote Amazon Linux AMI host is missing a security update.

Description

OpenSSH is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.(CVE-2018-15473)

Solution

Run 'yum update openssh' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2018-1075.html

Plugin Details

Severity: High

ID: 117347

File Name: ala_ALAS-2018-1075.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2018/09/07

Modified: 2018/09/07

Dependencies: 12634

Risk Information

Risk Factor: High

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:openssh, p-cpe:/a:amazon:linux:openssh-cavs, p-cpe:/a:amazon:linux:openssh-clients, p-cpe:/a:amazon:linux:openssh-debuginfo, p-cpe:/a:amazon:linux:openssh-keycat, p-cpe:/a:amazon:linux:openssh-ldap, p-cpe:/a:amazon:linux:openssh-server, p-cpe:/a:amazon:linux:pam_ssh_agent_auth, cpe:/o:amazon:linux

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Patch Publication Date: 2018/09/05

Reference Information

CVE: CVE-2018-15473

ALAS: 2018-1075