glsa-200509-09.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200509-09">
  <title>Py2Play: Remote execution of arbitrary Python code</title>
  <synopsis>
    A design error in Py2Play allows attackers to execute arbitrary code.
  </synopsis>
  <product type="ebuild">py2play</product>
  <announced>2005-09-17</announced>
  <revised count="02">2006-09-05</revised>
  <bug>103524</bug>
  <access>remote</access>
  <affected>
    <package name="dev-python/py2play" auto="yes" arch="*">
      <unaffected range="ge">0.1.8</unaffected>
      <vulnerable range="le">0.1.7</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Py2Play is a peer-to-peer network game engine written in Python.
    Pickling is a Python feature allowing to serialize Python objects into
    string representations (called pickles) that can be sent over the
    network.
    </p>
  </background>
  <description>
    <p>
    Arc Riley discovered that Py2Play uses Python pickles to send objects
    over a peer-to-peer game network, and that clients accept without
    restriction the objects and code sent by peers.
    </p>
  </description>
  <impact type="high">
    <p>
    A remote attacker participating in a Py2Play-powered game can send
    malicious Python pickles, resulting in the execution of arbitrary
    Python code on the targeted game client.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All py2play users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=dev-python/py2play-0.1.8"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2875">CAN-2005-2875</uri>
  </references>
  <metadata tag="requester" timestamp="2005-09-13T14:02:17Z">
    koon
  </metadata>
  <metadata tag="bugReady" timestamp="2005-09-14T11:59:59Z">
    koon
  </metadata>
  <metadata tag="submitter" timestamp="2005-09-14T20:47:34Z">
    koon
  </metadata>
</glsa>