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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200804-09">
<title>am-utils: Insecure temporary file creation</title>
<synopsis>
am-utils creates temporary files insecurely allowing local users to
overwrite arbitrary files via a symlink attack.
</synopsis>
<product type="ebuild">am-utils</product>
<announced>2008-04-10</announced>
<revised count="01">2008-04-10</revised>
<bug>210158</bug>
<access>local</access>
<affected>
<package name="net-fs/am-utils" auto="yes" arch="*">
<unaffected range="ge">6.1.5</unaffected>
<vulnerable range="lt">6.1.5</vulnerable>
</package>
</affected>
<background>
<p>
am-utils is a collection of utilities for use with the Berkeley
Automounter.
</p>
</background>
<description>
<p>
Tavis Ormandy discovered that, when creating temporary files, the
'expn' utility does not check whether the file already exists.
</p>
</description>
<impact type="normal">
<p>
A local attacker could exploit the vulnerability via a symlink attack
to overwrite arbitrary files.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All am-utils users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-fs/am-utils-6.1.5"</code>
</resolution>
<references>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1078">CVE-2008-1078</uri>
</references>
<metadata tag="requester" timestamp="2008-04-08T21:38:37Z">
p-y
</metadata>
<metadata tag="submitter" timestamp="2008-04-10T09:22:28Z">
mfleming
</metadata>
<metadata tag="bugReady" timestamp="2008-04-10T13:21:27Z">
vorlon
</metadata>
</glsa>
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