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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201206-23">
<title>PyCrypto: Weak key generation</title>
<synopsis>PyCrypto generates weak ElGamal keys.</synopsis>
<product type="ebuild">pycrypto</product>
<announced>June 24, 2012</announced>
<revised>June 24, 2012: 1</revised>
<bug>417625</bug>
<access>remote</access>
<affected>
<package name="dev-python/pycrypto" auto="yes" arch="*">
<unaffected range="ge">2.6</unaffected>
<vulnerable range="lt">2.6</vulnerable>
</package>
</affected>
<background>
<p>PyCrypto is the Python Cryptography Toolkit.</p>
</background>
<description>
<p>An error in the generate() function in ElGamal.py causes PyCrypto to
generate weak ElGamal keys.
</p>
</description>
<impact type="normal">
<p>A remote attacker might be able to derive private keys.</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 "&gt;=dev-python/pycrypto-2.6"
</code>
</resolution>
<references>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2417">CVE-2012-2417</uri>
</references>
<metadata timestamp="Mon, 11 Jun 2012 22:45:07 +0000" tag="requester">ackle</metadata>
<metadata timestamp="Sun, 24 Jun 2012 12:38:41 +0000" tag="submitter">ackle</metadata>
</glsa>