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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200703-26">
+ <title>file: Integer underflow</title>
+ <synopsis>
+ A buffer underflow vulnerability has been reported in file allowing for the
+ user-assisted execution of arbitrary code.
+ </synopsis>
+ <product type="ebuild">file</product>
+ <announced>2007-03-30</announced>
+ <revised count="01">2007-03-30</revised>
+ <bug>171452</bug>
+ <access>remote</access>
+ <affected>
+ <package name="sys-apps/file" auto="yes" arch="*">
+ <unaffected range="ge">4.20</unaffected>
+ <vulnerable range="lt">4.20</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ file is a utility that guesses a file format by scanning binary data
+ for patterns.
+ </p>
+ </background>
+ <description>
+ <p>
+ Jean-Sebastien Guay-Leroux reported an integer underflow in
+ file_printf function.
+ </p>
+ </description>
+ <impact type="high">
+ <p>
+ A remote attacker could entice a user to run the "file" program on a
+ specially crafted file that would trigger a heap-based buffer overflow
+ possibly leading to the execution of arbitrary code with the rights of
+ the user running "file". 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>
+ Since file is a system package, all Gentoo users should upgrade to the
+ latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=sys-apps/file-4.20"</code>
+ </resolution>
+ <references>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1536">CVE-2007-1536</uri>
+ </references>
+ <metadata tag="requester" timestamp="2007-03-24T17:59:07Z">
+ jaervosz
+ </metadata>
+ <metadata tag="submitter" timestamp="2007-03-26T20:27:32Z">
+ falco
+ </metadata>
+ <metadata tag="bugReady" timestamp="2007-03-29T21:14:57Z">
+ falco
+ </metadata>
+</glsa>