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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200506-22">
<title>sudo: Arbitrary command execution</title>
<synopsis>
A vulnerability in sudo may allow local users to elevate privileges.
</synopsis>
<product type="ebuild">sudo</product>
<announced>June 23, 2005</announced>
<revised>June 23, 2005: 01</revised>
<bug>96618</bug>
<access>local</access>
<affected>
<package name="app-admin/sudo" auto="yes" arch="*">
<unaffected range="ge">1.6.8_p9</unaffected>
<vulnerable range="lt">1.6.8_p9</vulnerable>
</package>
</affected>
<background>
<p>
sudo allows a system administrator to give users the ability to
run commands as other users.
</p>
</background>
<description>
<p>
The sudoers file is used to define the actions sudo users are
permitted to perform. Charles Morris discovered that a specific layout
of the sudoers file could cause the results of an internal check to be
clobbered, leaving sudo vulnerable to a race condition.
</p>
</description>
<impact type="normal">
<p>
Successful exploitation would permit a local sudo user to execute
arbitrary commands as another user.
</p>
</impact>
<workaround>
<p>
Reorder the sudoers file using the visudo utility to ensure the
'ALL' pseudo-command precedes other command definitions.
</p>
</workaround>
<resolution>
<p>
All sudo users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=app-admin/sudo-1.6.8_p9&quot;</code>
</resolution>
<references>
<uri link="http://www.sudo.ws/sudo/alerts/path_race.html">Sudo Announcement</uri>
</references>
<metadata tag="requester" timestamp="Tue, 21 Jun 2005 20:05:11 +0000">
koon
</metadata>
<metadata tag="submitter" timestamp="Wed, 22 Jun 2005 15:18:20 +0000">
taviso
</metadata>
<metadata tag="bugReady" timestamp="Thu, 23 Jun 2005 06:48:01 +0000">
jaervosz
</metadata>
</glsa>