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+<?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="200710-25">
+  <title>MLDonkey: Privilege escalation</title>
+  <synopsis>
+    The Gentoo MLDonkey ebuild adds a user to the system with a valid login
+    shell and no password.
+  </synopsis>
+  <product type="ebuild">mldonkey</product>
+  <announced>October 24, 2007</announced>
+  <revised>November 07, 2007: 02</revised>
+  <bug>189412</bug>
+  <access>remote</access>
+  <affected>
+    <package name="net-p2p/mldonkey" auto="yes" arch="*">
+      <unaffected range="ge">2.9.0-r3</unaffected>
+      <vulnerable range="lt">2.9.0-r3</vulnerable>
+    </package>
+  </affected>
+  <background>
+    <p>
+    MLDonkey is a peer-to-peer filesharing client that connects to several
+    different peer-to-peer networks, including Overnet and BitTorrent.
+    </p>
+  </background>
+  <description>
+    <p>
+    The Gentoo MLDonkey ebuild adds a user to the system named "p2p" so
+    that the MLDonkey service can run under a user with low privileges.
+    With older Portage versions this user is created with a valid login
+    shell and no password.
+    </p>
+  </description>
+  <impact type="high">
+    <p>
+    A remote attacker could log into a vulnerable system as the p2p user.
+    This would require an installed login service that permitted empty
+    passwords, such as SSH configured with the "PermitEmptyPasswords yes"
+    option, a local login console, or a telnet server.
+    </p>
+  </impact>
+  <workaround>
+    <p>
+    See Resolution.
+    </p>
+  </workaround>
+  <resolution>
+    <p>
+    Change the p2p user's shell to disallow login. For example, as root run
+    the following command:
+    </p>
+    <code>
+    # usermod -s /bin/false p2p</code>
+    <p>
+    NOTE: updating to the current MLDonkey ebuild will not remove this
+    vulnerability, it must be fixed manually. The updated ebuild is to
+    prevent this problem from occurring in the future.
+    </p>
+  </resolution>
+  <references>
+    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5714">CVE-2007-5714</uri>
+  </references>
+  <metadata tag="requester" timestamp="Mon, 10 Sep 2007 16:21:11 +0000">
+    jaervosz
+  </metadata>
+  <metadata tag="submitter" timestamp="Sun, 07 Oct 2007 16:40:51 +0000">
+    aetius
+  </metadata>
+  <metadata tag="bugReady" timestamp="Sun, 07 Oct 2007 19:26:05 +0000">
+    p-y
+  </metadata>
+</glsa>