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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200408-10">
<title>gv: Exploitable Buffer Overflow</title>
<synopsis>
gv contains an exploitable buffer overflow that allows an attacker to
execute arbitrary code.
</synopsis>
<product type="ebuild">gv</product>
<announced>August 12, 2004</announced>
<revised>August 12, 2004: 01</revised>
<bug>59385</bug>
<access>remote</access>
<affected>
<package name="app-text/gv" auto="yes" arch="*">
<unaffected range="ge">3.5.8-r4</unaffected>
<vulnerable range="le">3.5.8-r3</vulnerable>
</package>
</affected>
<background>
<p>
gv is a PostScript and PDF viewer for X which provides a user interface for
the ghostscript interpreter.
</p>
</background>
<description>
<p>
gv contains a buffer overflow vulnerability where an unsafe sscanf() call
is used to interpret PDF and PostScript files.
</p>
</description>
<impact type="normal">
<p>
By enticing a user to view a malformed PDF or PostScript file an attacker
could execute arbitrary code with the permissions of the user running gv.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time. All users are encouraged to
upgrade to the latest available version of gv.
</p>
</workaround>
<resolution>
<p>
All gv users should upgrade to the latest version:
</p>
<code>
# emerge sync
# emerge -pv ">=app-text/gv-3.5.8-r4"
# emerge ">=app-text/gv-3.5.8-r4"</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0838">CAN-2002-0838</uri>
</references>
<metadata tag="requester" timestamp="Thu, 5 Aug 2004 09:15:36 +0000">
koon
</metadata>
<metadata tag="submitter" timestamp="Sun, 8 Aug 2004 20:43:19 +0000">
jaervosz
</metadata>
</glsa>
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