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<?xml version="1.0" encoding="utf-8"?>
<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200411-08">
<title>GD: Integer overflow</title>
<synopsis>
The PNG image decoding routines in the GD library contain an integer
overflow that may allow execution of arbitrary code with the rights of the
program decoding a malicious PNG image.
</synopsis>
<product type="ebuild">GD</product>
<announced>November 03, 2004</announced>
<revised>November 03, 2004: 01</revised>
<bug>69070</bug>
<access>remote</access>
<affected>
<package name="media-libs/gd" auto="yes" arch="*">
<unaffected range="ge">2.0.32</unaffected>
<vulnerable range="lt">2.0.32</vulnerable>
</package>
</affected>
<background>
<p>
The GD graphics library is an open source library which allows programmers
to easily generate PNG, JPEG, GIF and WBMP images from many different
programming languages.
</p>
</background>
<description>
<p>
infamous41md found an integer overflow in the memory allocation procedure
of the GD routine that handles loading PNG image files.
</p>
</description>
<impact type="normal">
<p>
A remote attacker could entice a user to load a carefully crafted PNG image
file in a GD-powered application, or send a PNG image to a web application
which uses GD PNG decoding functions. This could potentially lead to
execution of arbitrary code with the rights of the program loading the
image.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All GD users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/gd-2.0.32"</code>
</resolution>
<references>
<uri link="http://www.securityfocus.com/archive/1/379382">Original BugTraq advisory</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0990">CAN-2004-0990</uri>
</references>
<metadata tag="requester" timestamp="Mon, 1 Nov 2004 10:23:54 +0000">
koon
</metadata>
<metadata tag="bugReady" timestamp="Tue, 2 Nov 2004 21:56:13 +0000">
koon
</metadata>
<metadata tag="submitter" timestamp="Wed, 3 Nov 2004 20:55:19 +0000">
koon
</metadata>
</glsa>
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