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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200901-04">
<title>D-Bus: Denial of Service</title>
<synopsis>
An error condition can cause D-Bus to crash.
</synopsis>
<product type="ebuild">dbus</product>
<announced>January 11, 2009</announced>
<revised>January 11, 2009: 01</revised>
<bug>240308</bug>
<access>local</access>
<affected>
<package name="sys-apps/dbus" auto="yes" arch="*">
<unaffected range="ge">1.2.3-r1</unaffected>
<vulnerable range="lt">1.2.3-r1</vulnerable>
</package>
</affected>
<background>
<p>
D-Bus is a daemon providing a framework for applications to communicate
with one another.
</p>
</background>
<description>
<p>
schelte reported that the dbus_signature_validate() function can
trigger a failed assertion when processing a message containing a
malformed signature.
</p>
</description>
<impact type="normal">
<p>
A local user could send a specially crafted message to the D-Bus
daemon, leading to a Denial of Service.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All D-Bus users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=sys-apps/dbus-1.2.3-r1&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3834">CVE-2008-3834</uri>
</references>
<metadata tag="requester" timestamp="Wed, 26 Nov 2008 18:43:42 +0000">
rbu
</metadata>
<metadata tag="submitter" timestamp="Wed, 26 Nov 2008 21:51:45 +0000">
rbu
</metadata>
<metadata tag="bugReady" timestamp="Wed, 26 Nov 2008 21:52:15 +0000">
rbu
</metadata>
</glsa>