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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201702-14">
<title>PyCrypto: Remote execution of arbitrary code</title>
<synopsis>A heap-based buffer overflow in PyCrypto might allow remote
attackers to execute arbitrary code.
</synopsis>
<product type="ebuild">pycrypto</product>
<announced>2017-02-20</announced>
<revised>2017-02-20: 1</revised>
<bug>576494</bug>
<access>remote</access>
<affected>
<package name="dev-python/pycrypto" auto="yes" arch="*">
<unaffected range="ge">2.6.1-r2</unaffected>
<vulnerable range="lt">2.6.1-r2</vulnerable>
</package>
</affected>
<background>
<p>The Python Cryptography Toolkit (PyCrypto) is a collection of both
secure hash functions (such as SHA256 and RIPEMD160), and various
encryption algorithms (AES, DES, RSA, ElGamal, etc.).
</p>
</background>
<description>
<p>A heap-based buffer overflow vulnerability has been discovered in
PyCrypto. Please review the CVE identifier referenced below for details.
</p>
</description>
<impact type="normal">
<p>A remote attacker, able to control the mode of operation in PyCrypto’s
AES module, could possibly execute arbitrary code with the privileges of
the process or cause a Denial of Service condition.
</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-2.6.1-r2"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-7459">CVE-2013-7459</uri>
</references>
<metadata tag="requester" timestamp="2017-02-06T00:09:22Z">b-man</metadata>
<metadata tag="submitter" timestamp="2017-02-20T23:17:13Z">whissi</metadata>
</glsa>
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