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diff --git a/glsa-200907-13.xml b/glsa-200907-13.xml new file mode 100644 index 00000000..db9d0b1c --- /dev/null +++ b/glsa-200907-13.xml @@ -0,0 +1,70 @@ +<?xml version="1.0" encoding="utf-8"?> +<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?> +<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> + +<glsa id="200907-13"> + <title>PulseAudio: Local privilege escalation</title> + <synopsis> + A vulnerability in PulseAudio may allow a local user to execute code with + escalated privileges. + </synopsis> + <product type="ebuild">pulseaudio</product> + <announced>July 16, 2009</announced> + <revised>July 16, 2009: 01</revised> + <bug>276986</bug> + <access>local</access> + <affected> + <package name="media-sound/pulseaudio" auto="yes" arch="*"> + <unaffected range="ge">0.9.9-r54</unaffected> + <vulnerable range="lt">0.9.9-r54</vulnerable> + </package> + </affected> + <background> + <p> + PulseAudio is a network-enabled sound server with an advanced plug-in + system. + </p> + </background> + <description> + <p> + Tavis Ormandy and Julien Tinnes of the Google Security Team discovered + that the pulseaudio binary is installed setuid root, and does not drop + privileges before re-executing itself. The vulnerability has + independently been reported to oCERT by Yorick Koster. + </p> + </description> + <impact type="high"> + <p> + A local user who has write access to any directory on the file system + containing /usr/bin can exploit this vulnerability using a race + condition to execute arbitrary code with root privileges. + </p> + </impact> + <workaround> + <p> + Ensure that the file system holding /usr/bin does not contain + directories that are writable for unprivileged users. + </p> + </workaround> + <resolution> + <p> + All PulseAudio users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=media-sound/pulseaudio-0.9.9-r54"</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1894">CVE-2009-1894</uri> + </references> + <metadata tag="requester" timestamp="Thu, 09 Jul 2009 16:33:42 +0000"> + rbu + </metadata> + <metadata tag="submitter" timestamp="Thu, 09 Jul 2009 16:51:52 +0000"> + rbu + </metadata> + <metadata tag="bugReady" timestamp="Thu, 16 Jul 2009 14:13:15 +0000"> + rbu + </metadata> +</glsa> |