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58 lines
1.9 KiB
58 lines
1.9 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="201209-12">
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<title>Libtasn1: Denial of Service</title>
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<synopsis>A vulnerability in Libtasn1 might cause a Denial of Service
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condition.
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</synopsis>
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<product type="ebuild">libtasn1</product>
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<announced>2012-09-25</announced>
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<revised count="1">2012-09-25</revised>
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<bug>409031</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">2.12</unaffected>
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<vulnerable range="lt">2.12</vulnerable>
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</package>
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</affected>
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<background>
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<p>Libtasn1 is a library used to parse ASN.1 (Abstract Syntax Notation One)
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objects, and perform DER (Distinguished Encoding Rules) decoding.
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</p>
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</background>
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<description>
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<p>Libtasn1 does not properly handle length fields when performing DER
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decoding.
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</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 to open a specially crafted
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DER-encoded object in an application linked against Libtasn1, possibly
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resulting in Denial of Service.
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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/libtasn1-2.12"
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</code>
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<p>Packages which depend on this library may need to be recompiled. Tools
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such as revdep-rebuild may assist in identifying some of these packages.
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</p>
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</resolution>
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<references>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1569">CVE-2012-1569</uri>
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</references>
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<metadata tag="requester" timestamp="2012-08-14T16:07:38Z">
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keytoaster
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</metadata>
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<metadata tag="submitter" timestamp="2012-09-25T21:25:29Z">ackle</metadata>
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</glsa>
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