This script is Copyright (C) 2012-2014 Tenable Network Security, Inc.
The remote Red Hat host is missing one or more security updates.
Updated libpng packages that fix one security issue are now available
for Red Hat Enterprise Linux 5 and 6.
The Red Hat Security Response Team has rated this update as having
moderate 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 the way libpng
processed compressed chunks in PNG image files. An attacker could
create a specially crafted PNG image file 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 should upgrade to these updated packages, which
correct this issue. For Red Hat Enterprise Linux 5, they contain a
backported patch. For Red Hat Enterprise Linux 6, they upgrade libpng
to version 1.2.48. All running applications using libpng must be
restarted for the update to take effect.
See also :
Update the affected packages.
Risk factor :
Medium / CVSS Base Score : 6.8
CVSS Temporal Score : 5.0
Public Exploit Available : false
Family: Red Hat Local Security Checks
Nessus Plugin ID: 58407 ()
Bugtraq ID: 52453
CVE ID: CVE-2011-3045
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