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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201309-04">
<title>Snack: User-assisted execution of arbitrary code</title>
<synopsis>A buffer overflow in Snack could result in execution of arbitrary
code or Denial of Service.
</synopsis>
<product type="ebuild">snack</product>
<announced>September 11, 2013</announced>
<revised>September 11, 2013: 1</revised>
<bug>446822</bug>
<access>remote</access>
<affected>
<package name="dev-tcltk/snack" auto="yes" arch="*">
<unaffected range="ge">2.2.10-r5</unaffected>
<vulnerable range="lt">2.2.10-r5</vulnerable>
</package>
</affected>
<background>
<p>Snack is a sound toolkit for creating multi-platform audio applications
with scripting languages.
</p>
</background>
<description>
<p>The GetWavHeader() function in jkSoundFile.c does not have boundary
checks when parsing format sub-chunks or unknown sub-chunks.
</p>
</description>
<impact type="normal">
<p>A remote attacker could entice a user to open a specially crafted WAV
file with an application using Snack, possibly resulting in execution of
arbitrary code or a Denial of Service condition.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All Snack users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-tcltk/snack-2.2.10-r5"
</code>
</resolution>
<references>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-6303">CVE-2012-6303</uri>
</references>
<metadata tag="requester" timestamp="Sat, 16 Mar 2013 11:40:00 +0000">ackle</metadata>
<metadata tag="submitter" timestamp="Wed, 11 Sep 2013 10:07:54 +0000">
creffett
</metadata>
</glsa>
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