RHEL 7 : authconfig (RHSA-2017:2285)
Medium Nessus Plugin ID 102154
SynopsisThe remote Red Hat host is missing one or more security updates.
DescriptionAn update for authconfig is now available for Red Hat Enterprise Linux 7.
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 attack. (CVE-2017-7488)
This issue was discovered by Tomas Mraz (Red Hat) and Thorsten Scherf (Red Hat).
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.
SolutionUpdate the affected authconfig, authconfig-debuginfo and / or authconfig-gtk packages.