64 lines
2.3 KiB
XML
64 lines
2.3 KiB
XML
<?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="201610-04">
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<title>libgcrypt: Multiple vulnerabilities</title>
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<synopsis>Multiple vulnerabilities have been fixed in libgcrypt,the worst of
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which results in predictable output from the random number generator.
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</synopsis>
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<product type="ebuild">libgcrypt</product>
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<announced>October 10, 2016</announced>
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<revised>October 10, 2016: 1</revised>
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<bug>541564</bug>
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<bug>559942</bug>
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<bug>574268</bug>
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<bug>591534</bug>
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<access>remote</access>
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<affected>
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<package name="dev-libs/libgcrypt" auto="yes" arch="*">
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<unaffected range="ge">1.7.3</unaffected>
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<vulnerable range="lt">1.7.3</vulnerable>
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</package>
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</affected>
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<background>
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<p>libgcrypt is a general purpose cryptographic library derived out of
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GnuPG.
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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 libgcrypt. Please
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review the CVE identifiers referenced below for details.
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</p>
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</description>
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<impact type="normal">
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<p>Side-channel attacks can leak private key information. A separate
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critical bug allows an attacker who obtains 4640 bits from the RNG to
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trivially predict the next 160 bits of output.
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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 libgcrypt 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/libgcrypt-1.7.3"
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</code>
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</resolution>
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<references>
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<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3591">CVE-2014-3591</uri>
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<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-0837">CVE-2015-0837</uri>
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<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7511">CVE-2015-7511</uri>
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<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6313">CVE-2016-6313</uri>
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<uri link="https://securityblog.redhat.com/2015/09/02/factoring-rsa-keys-with-tls-perfect-forward-secrecy/">
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Factoring RSA Keys With TLS Perfect Forward Secrecy
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</uri>
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</references>
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<metadata tag="requester" timestamp="Wed, 02 Dec 2015 21:25:17 +0000">
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BlueKnight
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</metadata>
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<metadata tag="submitter" timestamp="Mon, 10 Oct 2016 11:04:11 +0000">K_F</metadata>
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</glsa>
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