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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 gd package
Detailed Explanation for this Vulnerability Assessment
The remote host is missing the patch for the advisory FEDORA-2004-411 (gd).
The gd graphics library permits your code to quickly draw images
complete with lines, arcs, text, multiple colors, cut and paste from
other images, and flood fills, and to write out the result as a PNG or
JPEG file. This is particularly useful in Web applications, where PNG
and JPEG are two of the formats accepted for inline images by most
browsers. Note that gd is not a paint program.
Several buffer overflows were reported in various memory allocation
A possible hacker could create a carefully crafted image file in such a
way that it could cause ImageMagick to execute arbitrary code when
processing the image. The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CVE-2004-0990 to these issues.
Whilst researching the fixes to these overflows, additional buffer
overflows were discovered in calls to gdMalloc. The Common
and Exposures project (cve.mitre.org) has assigned the name
to these issues.
Users of gd should upgrade to these updated packages, which contain a
backported security patch, and are not vulnerable to these issues.
Solution : http://www.fedoranews.org/blog/index.php?p=68
Network Security Threat Level: High
Networks Security ID:
Vulnerability Assessment Copyright: This script is Copyright (C) 2004 Tenable Network Security
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