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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200705-25">
<title>file: Integer overflow</title>
<synopsis>
An integer overflow vulnerability has been reported in file allowing for
the user-assisted execution of arbitrary code.
</synopsis>
<product type="ebuild">file</product>
<announced>2007-05-31</announced>
<revised>2007-06-01: 02</revised>
<bug>179583</bug>
<access>remote</access>
<affected>
<package name="sys-apps/file" auto="yes" arch="x86 ppc hppa">
<unaffected range="ge">4.21</unaffected>
<vulnerable range="lt">4.21</vulnerable>
</package>
</affected>
<background>
<p>
file is a utility that guesses a file format by scanning binary data
for patterns.
</p>
</background>
<description>
<p>
Colin Percival from FreeBSD reported that the previous fix for the
file_printf() buffer overflow introduced a new integer overflow.
</p>
</description>
<impact type="high">
<p>
A remote attacker could entice a user to run the file program on an
overly large file (more than 1Gb) that would trigger an integer
overflow on 32-bit systems, possibly leading to the execution of
arbitrary code with the rights of the user running file.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
Since file is a system package, all Gentoo users should upgrade to the
latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/file-4.21"</code>
</resolution>
<references>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2799">CVE-2007-2799</uri>
</references>
<metadata tag="submitter" timestamp="2007-05-28T10:04:58Z">
falco
</metadata>
<metadata tag="bugReady" timestamp="2007-05-31T06:59:45Z">
jaervosz
</metadata>
</glsa>
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