This script is Copyright (C) 2017 Tenable Network Security, Inc.
The remote Red Hat host is missing one or more security updates.
An update for authconfig is now available for Red Hat Enterprise Linux
Red Hat Product Security has rated this update as having a security
impact of Moderate. A Common Vulnerability Scoring System (CVSS) base
score, which gives a detailed severity rating, is available for each
vulnerability from the CVE link(s) in the References section.
The authconfig packages contain a command-line utility and a GUI
application that can configure a workstation to be a client for
certain network user information, authentication schemes, and other
user information and authentication-related options.
Security Fix(es) :
* A flaw was found where authconfig could configure sssd in a way that
treats existing and non-existing logins differently, leaking
information on existence of a user. An attacker with physical or
network access to the machine could enumerate users via a timing
This issue was discovered by Tomas Mraz (Red Hat) and Thorsten Scherf
Additional Changes :
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.4 Release Notes linked from the References section.
See also :
Update the affected authconfig, authconfig-debuginfo and / or
Risk factor :
Medium / CVSS Base Score : 4.0
CVSS Temporal Score : 3.3
Public Exploit Available : true