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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="201612-16">
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<title>OpenSSL: Multiple vulnerabilities</title>
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<synopsis>Multiple vulnerabilities have been found in OpenSSL, the worst of
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which allows attackers to conduct a time based side-channel attack.
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</synopsis>
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<product type="ebuild">openssl</product>
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<announced>2016-12-07</announced>
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<revised count="1">2016-12-07</revised>
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<bug>581234</bug>
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<bug>585142</bug>
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<bug>585276</bug>
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<bug>591454</bug>
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<bug>592068</bug>
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<bug>592074</bug>
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<bug>592082</bug>
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<bug>594500</bug>
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<bug>595186</bug>
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<access>local, remote</access>
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<affected>
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<package name="dev-libs/openssl" auto="yes" arch="*">
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<unaffected range="ge">1.0.2j</unaffected>
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<vulnerable range="lt">1.0.2j</vulnerable>
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</package>
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</affected>
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<background>
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<p>OpenSSL is an Open Source toolkit implementing the Secure Sockets Layer
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(SSL v2/v3) and Transport Layer Security (TLS v1) as well as a general
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purpose cryptography library.
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</p>
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</background>
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<description>
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<p>Multiple vulnerabilities have been discovered in OpenSSL. Please review
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the CVE identifiers and the International Association for Cryptologic
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Research’s (IACR) paper, “Make Sure DSA Signing Exponentiations
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Really are Constant-Time” for further details.
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</p>
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</description>
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<impact type="normal">
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<p>Remote attackers could cause a Denial of Service condition or have other
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unspecified impacts. Additionally, a time based side-channel attack may
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allow a local attacker to recover a private DSA key.
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</p>
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</impact>
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<workaround>
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<p>There is no known workaround at this time.</p>
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</workaround>
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<resolution>
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<p>All OpenSSL users should upgrade to the latest version:</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=dev-libs/openssl-1.0.2j"
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</code>
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</resolution>
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<references>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2105">CVE-2016-2105</uri>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2106">CVE-2016-2106</uri>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2107">CVE-2016-2107</uri>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2108">CVE-2016-2108</uri>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2109">CVE-2016-2109</uri>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2176">CVE-2016-2176</uri>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2177">CVE-2016-2177</uri>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2178">CVE-2016-2178</uri>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2180">CVE-2016-2180</uri>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2183">CVE-2016-2183</uri>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6304">CVE-2016-6304</uri>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6305">CVE-2016-6305</uri>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6306">CVE-2016-6306</uri>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7052">CVE-2016-7052</uri>
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<uri link="https://eprint.iacr.org/2016/594.pdf">Make Sure DSA Signing
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Exponentiations Really are Constant-Time
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</uri>
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</references>
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<metadata tag="requester" timestamp="2016-06-06T21:30:06Z">
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BlueKnight
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</metadata>
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<metadata tag="submitter" timestamp="2016-12-07T10:26:27Z">b-man</metadata>
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</glsa>
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