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52 lines
1.6 KiB
52 lines
1.6 KiB
<?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="202003-32">
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<title>Libgcrypt: Side-channel attack</title>
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<synopsis>A vulnerability in Libgcrypt could allow a local attacker to
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recover sensitive information.
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</synopsis>
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<product type="ebuild">libgcrypt</product>
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<announced>2020-03-15</announced>
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<revised count="1">2020-03-15</revised>
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<bug>693108</bug>
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<access>local</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">1.8.5</unaffected>
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<vulnerable range="lt">1.8.5</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>A timing attack was found in the way ECCDSA was implemented in
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Libgcrypt.
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</p>
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</description>
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<impact type="low">
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<p>A local man-in-the-middle attacker, during signature generation, could
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possibly recover the private 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 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-1.8.5"
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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/vuln/detail/CVE-2019-13627">CVE-2019-13627</uri>
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</references>
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<metadata tag="requester" timestamp="2020-03-15T19:23:38Z">whissi</metadata>
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<metadata tag="submitter" timestamp="2020-03-15T19:29:34Z">whissi</metadata>
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</glsa>
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