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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="201701-72">
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<title>libXpm: Remote execution of arbitrary code</title>
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<synopsis>An integer overflow in libXpm might allow remote attackers to
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execute arbitrary code or cause a Denial of Service Condition.
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</synopsis>
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<product type="ebuild">libxpm</product>
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<announced>2017-01-29</announced>
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<revised count="1">2017-01-29</revised>
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<bug>602782</bug>
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<access>remote</access>
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<affected>
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<package name="x11-libs/libXpm" auto="yes" arch="*">
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<unaffected range="ge">3.5.12</unaffected>
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<vulnerable range="lt">3.5.12</vulnerable>
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</package>
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</affected>
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<background>
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<p>The X PixMap image format is an extension of the monochrome X BitMap
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format specified in the X protocol, and is commonly used in traditional X
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applications.
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</p>
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</background>
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<description>
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<p>An integer overflow was discovered in libXpm’s src/CrDatFrI.c file.
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On 64 bit systems, this allows an overflow to occur on 32 bit integers
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while parsing XPM extensions in a file.
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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, by enticing a user to process a specially crafted XPM
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file, could execute arbitrary code with the privileges of the process or
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cause a Denial of 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 libXpm 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 ">=x11-libs/libXpm-3.5.12"
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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-2016-10164">
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CVE-2016-10164
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</uri>
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</references>
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<metadata tag="requester" timestamp="2017-01-26T15:22:27Z">whissi</metadata>
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<metadata tag="submitter" timestamp="2017-01-29T16:58:23Z">b-man</metadata>
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</glsa>
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