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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200704-13">
<title>File: Denial of Service</title>
<synopsis>
A vulnerability has been discovered in file allowing for a denial of
service.
</synopsis>
<product type="ebuild">file</product>
<announced>2007-04-17</announced>
<revised count="02">2007-09-17</revised>
<bug>174217</bug>
<access>remote</access>
<affected>
<package name="sys-apps/file" auto="yes" arch="*">
<unaffected range="ge">4.21-r1</unaffected>
<vulnerable range="eq">4.21</vulnerable>
</package>
</affected>
<background>
<p>
file is a utility that identifies a file format by scanning binary data
for patterns.
</p>
</background>
<description>
<p>
Conor Edberg discovered an error in the way file processes a specific
regular expression.
</p>
</description>
<impact type="normal">
<p>
A remote attacker could entice a user to open a specially crafted file,
using excessive CPU ressources and possibly leading to a Denial of
Service. Note that this vulnerability could be also triggered through
an automatic file scanner like amavisd-new.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All file users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/file-4.20-r1"</code>
</resolution>
<references>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2026">CVE-2007-2026</uri>
</references>
<metadata tag="requester" timestamp="2007-04-11T22:06:47Z">
aetius
</metadata>
<metadata tag="bugReady" timestamp="2007-04-12T13:54:28Z">
vorlon
</metadata>
<metadata tag="submitter" timestamp="2007-04-13T12:18:04Z">
p-y
</metadata>
</glsa>
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