<?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 count="1">2017-02-20</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>