51 lines
1.8 KiB
XML
51 lines
1.8 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="201703-05">
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<title>GNU Libtasn1: Denial of Service</title>
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<synopsis>A vulnerability in Libtasn1 allows remote attackers to cause a
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Denial of Service condition.
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</synopsis>
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<product type="ebuild">libtasn1</product>
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<announced>2017-03-28</announced>
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<revised count="1">2017-03-28</revised>
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<bug>579748</bug>
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<access>remote</access>
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<affected>
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<package name="dev-libs/libtasn1" auto="yes" arch="*">
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<unaffected range="ge">4.8</unaffected>
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<vulnerable range="lt">4.8</vulnerable>
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</package>
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</affected>
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<background>
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<p>A library that provides Abstract Syntax Notation One (ASN.1, as
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specified by the X.680 ITU-T recommendation) parsing and structures
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management, and Distinguished Encoding Rules (DER, as per X.690) encoding
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and decoding functions.
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</p>
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</background>
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<description>
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<p>Libtasn1 does not correctly handle certain malformed DER certificates.</p>
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</description>
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<impact type="normal">
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<p>A remote attacker could entice a user or automated system to process a
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specially crafted certificate using Libtasn1, resulting in a Denial of
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Service condition.
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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 Libtasn1 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/libtasn1-4.8"
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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-2016-4008">CVE-2016-4008</uri>
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</references>
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<metadata tag="requester" timestamp="2017-02-22T11:00:00Z">b-man</metadata>
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<metadata tag="submitter" timestamp="2017-03-28T02:54:28Z">whissi</metadata>
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</glsa>
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