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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200502-09">
<title>Python: Arbitrary code execution through SimpleXMLRPCServer</title>
<synopsis>
Python-based XML-RPC servers may be vulnerable to remote execution of
arbitrary code.
</synopsis>
<product type="ebuild">Python</product>
<announced>2005-02-08</announced>
<revised count="01">2005-02-08</revised>
<bug>80592</bug>
<access>remote</access>
<affected>
<package name="dev-lang/python" auto="yes" arch="*">
<unaffected range="ge">2.3.4-r1</unaffected>
<unaffected range="rge">2.3.3-r2</unaffected>
<unaffected range="rge">2.2.3-r6</unaffected>
<vulnerable range="le">2.3.4</vulnerable>
</package>
</affected>
<background>
<p>
Python is an interpreted, interactive, object-oriented,
cross-platform programming language.
</p>
</background>
<description>
<p>
Graham Dumpleton discovered that XML-RPC servers making use of the
SimpleXMLRPCServer library that use the register_instance() method to
register an object without a _dispatch() method are vulnerable to a
flaw allowing to read or modify globals of the associated module.
</p>
</description>
<impact type="high">
<p>
A remote attacker may be able to exploit the flaw in such XML-RPC
servers to execute arbitrary code on the server host with the rights of
the XML-RPC server.
</p>
</impact>
<workaround>
<p>
Python users that don't make use of any SimpleXMLRPCServer-based
XML-RPC servers, or making use of servers using only the
register_function() method are not affected.
</p>
</workaround>
<resolution>
<p>
All Python users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose dev-lang/python</code>
</resolution>
<references>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0089">CAN-2005-0089</uri>
<uri link="https://www.python.org/security/PSF-2005-001/">Python PSF-2005-001</uri>
</references>
<metadata tag="requester" timestamp="2005-02-04T14:45:11Z">
koon
</metadata>
<metadata tag="bugReady" timestamp="2005-02-07T08:31:41Z">
koon
</metadata>
<metadata tag="submitter" timestamp="2005-02-08T19:35:29Z">
koon
</metadata>
</glsa>
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