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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200511-03">
<title>giflib: Multiple vulnerabilities</title>
<synopsis>
giflib may dereference NULL or write out of bounds when processing
malformed images, potentially resulting in Denial of Service or arbitrary
code execution.
</synopsis>
<product type="ebuild">giflib</product>
<announced>November 04, 2005</announced>
<revised>November 04, 2005: 01</revised>
<bug>109997</bug>
<access>remote</access>
<affected>
<package name="media-libs/giflib" auto="yes" arch="*">
<unaffected range="ge">4.1.4</unaffected>
<vulnerable range="lt">4.1.4</vulnerable>
</package>
</affected>
<background>
<p>
giflib is a library for reading and writing GIF images.
</p>
</background>
<description>
<p>
Chris Evans and Daniel Eisenbud independently discovered two
out-of-bounds memory write operations and a NULL pointer dereference in
giflib.
</p>
</description>
<impact type="normal">
<p>
An attacker could craft a malicious GIF image and entice users to
load it using an application making use of the giflib library,
resulting in an application crash or potentially the execution of
arbitrary code.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All giflib users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=media-libs/giflib-4.1.4&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2974">CVE-2005-2974</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3350">CVE-2005-3350</uri>
</references>
<metadata tag="requester" timestamp="Sat, 29 Oct 2005 09:30:14 +0000">
koon
</metadata>
<metadata tag="submitter" timestamp="Wed, 02 Nov 2005 12:50:36 +0000">
koon
</metadata>
<metadata tag="bugReady" timestamp="Fri, 04 Nov 2005 08:45:23 +0000">
koon
</metadata>
</glsa>