This script is Copyright (C) 2013 Tenable Network Security, Inc.
The remote Oracle Linux host is missing one or more security updates.
From Red Hat Security Advisory 2012:0317 :
Updated libpng and libpng10 packages that fix one security issue are
now available for Red Hat Enterprise Linux 4, 5, and 6.
The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System
(CVSS) base score, which gives a detailed severity rating, is
available from the CVE link in the References section.
The libpng packages contain a library of functions for creating and
manipulating PNG (Portable Network Graphics) image format files.
A heap-based buffer overflow flaw was found in libpng. An attacker
could create a specially-crafted PNG image that, when opened, could
cause an application using libpng to crash or, possibly, execute
arbitrary code with the privileges of the user running the
Users of libpng and libpng10 should upgrade to these updated packages,
which contain a backported patch to correct this issue. All running
applications using libpng or libpng10 must be restarted for the update
to take effect.
See also :
Update the affected libpng packages.
Risk factor :
High / CVSS Base Score : 7.5
CVSS Temporal Score : 5.5
Public Exploit Available : false