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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200903-11">
<title>PyCrypto: Execution of arbitrary code</title>
<synopsis>
A buffer overflow in PyCrypto might lead to the execution of arbitrary code
when decrypting using ARC2.
</synopsis>
<product type="ebuild">pycrypto</product>
<announced>2009-03-09</announced>
<revised>2009-03-09: 01</revised>
<bug>258049</bug>
<access>remote</access>
<affected>
<package name="dev-python/pycrypto" auto="yes" arch="*">
<unaffected range="ge">2.0.1-r8</unaffected>
<vulnerable range="lt">2.0.1-r8</vulnerable>
</package>
</affected>
<background>
<p>
PyCrypto is the Python Cryptography Toolkit.
</p>
</background>
<description>
<p>
Mike Wiacek of the Google Security Team reported a buffer overflow in
the ARC2 module when processing a large ARC2 key length.
</p>
</description>
<impact type="normal">
<p>
A remote attacker could entice a user or automated system to decrypt an
ARC2 stream in an application using PyCrypto, possibly resulting in the
execution of arbitrary code or a Denial of Service.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All PyCrypto users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-python/pycrypto-2.0.1-r8"</code>
</resolution>
<references>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0544">CVE-2009-0544</uri>
</references>
<metadata tag="requester" timestamp="2009-03-07T16:35:09Z">
rbu
</metadata>
<metadata tag="submitter" timestamp="2009-03-07T18:22:46Z">
rbu
</metadata>
<metadata tag="bugReady" timestamp="2009-03-07T18:24:44Z">
rbu
</metadata>
</glsa>
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