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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200704-03">
<title>OpenAFS: Privilege escalation</title>
OpenAFS is subject to a design flaw that could allow privilege escalation
on the client.
<product type="ebuild">openafs</product>
<announced>April 03, 2007</announced>
<revised>April 03, 2007: 01</revised>
<package name="net-fs/openafs" auto="yes" arch="*">
<unaffected range="ge">1.4.4</unaffected>
<vulnerable range="lt">1.4.4</vulnerable>
OpenAFS is a distributed network filesystem.
Benjamin Bennett discovered that the OpenAFS client contains a design
flaw where cache managers do not use authenticated server connections
when performing actions not requested by a user.
<impact type="high">
If setuid is enabled on the client cells, an attacker can supply a fake
FetchStatus reply that sets setuid and root ownership of a file being
executed. This could provide root access on the client. Remote attacks
may be possible if an attacker can entice a user to execute a known
file. Note that setuid is enabled by default in versions of OpenAFS
prior to 1.4.4.
Disable the setuid functionality on all client cells. This is now the
default configuration in OpenAFS.
All OpenAFS users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=net-fs/openafs-1.4.4&quot;</code>
<uri link="">CVE-2007-1507</uri>
<metadata tag="requester" timestamp="Sun, 25 Mar 2007 06:35:01 +0000">
<metadata tag="submitter" timestamp="Wed, 28 Mar 2007 13:53:51 +0000">
<metadata tag="bugReady" timestamp="Tue, 03 Apr 2007 22:29:30 +0000">