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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.
Vulnerability Assessment Details
Check for the version of the libungif package
Detailed Explanation for this Vulnerability Assessment
The remote host is missing the patch for the advisory FEDORA-2005-1045 (libungif).
The libungif package contains a shared library of functions for
loading and saving GIF format image files. The libungif library can
load any GIF file, but it will save GIFs only in uncompressed format
(i.e., it won't use the patented LZW compression used to save 'normal'
compressed GIF files).
Install the libungif package if you need to manipulate GIF files. You
should also install the libungif-progs package.
The libungif package contains a shared library of functions
for loading and saving GIF format image files. The libungif
library can load any GIF file, but it will save GIFs only in
it will not use the patented LZW
compression used to save 'normal' compressed GIF files.
A bug was found in the way libungif handles colormaps. An
attacker could create a GIF file in such a way that could
cause out-of-bounds writes and register corruptions. The
Common Vulnerabilities and Exposures project assigned the
name CAN-2005-2974 to this issue.
All users of libungif should upgrade to the updated
packages, which contain a backported patch to resolve this
Solution : Get the newest Fedora Updates
Network Security Threat Level: High
Networks Security ID:
Vulnerability Assessment Copyright: This script is Copyright (C) 2005 Tenable Network Security
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