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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200511-19">
<title>eix: Insecure temporary file creation</title>
<synopsis>
eix has an insecure temporary file creation vulnerability, potentially
allowing a local user to overwrite arbitrary files.
</synopsis>
<product type="ebuild">eix</product>
<announced>November 22, 2005</announced>
<revised>May 22, 2006: 02</revised>
<bug>112061</bug>
<access>local</access>
<affected>
<package name="app-portage/eix" auto="yes" arch="*">
<unaffected range="ge">0.5.0_pre2</unaffected>
<unaffected range="rge">0.3.0-r2</unaffected>
<vulnerable range="lt">0.5.0_pre2</vulnerable>
</package>
</affected>
<background>
<p>
eix is a small utility for searching ebuilds with indexing for fast
results.
</p>
</background>
<description>
<p>
Eric Romang discovered that eix creates a temporary file with a
predictable name. eix creates a temporary file in /tmp/eix.*.sync where
* is the process ID of the shell running eix.
</p>
</description>
<impact type="normal">
<p>
A local attacker can watch the process list and determine the process
ID of the shell running eix while the "emerge --sync" command is
running, then create a link from the corresponding temporary file to a
system file, which would result in the file being overwritten with the
rights of the user running the application.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All eix users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose app-portage/eix</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3785">CVE-2005-3785</uri>
</references>
<metadata tag="requester" timestamp="Mon, 21 Nov 2005 09:11:10 +0000">
koon
</metadata>
<metadata tag="submitter" timestamp="Mon, 21 Nov 2005 20:48:28 +0000">
adir
</metadata>
<metadata tag="bugReady" timestamp="Tue, 22 Nov 2005 08:46:22 +0000">
koon
</metadata>
</glsa>