<?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 ">=sys-apps/dbus-1.2.3-r1"</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>