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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201701-72">
<title>libXpm: Remote execution of arbitrary code</title>
<synopsis>An integer overflow in libXpm might allow remote attackers to
execute arbitrary code or cause a Denial of Service Condition.
</synopsis>
<product type="ebuild">libxpm</product>
<announced>2017-01-29</announced>
<revised>2017-01-29: 1</revised>
<bug>602782</bug>
<access>remote</access>
<affected>
<package name="x11-libs/libXpm" auto="yes" arch="*">
<unaffected range="ge">3.5.12</unaffected>
<vulnerable range="lt">3.5.12</vulnerable>
</package>
</affected>
<background>
<p>The X PixMap image format is an extension of the monochrome X BitMap
format specified in the X protocol, and is commonly used in traditional X
applications.
</p>
</background>
<description>
<p>An integer overflow was discovered in libXpm’s src/CrDatFrI.c file.
On 64 bit systems, this allows an overflow to occur on 32 bit integers
while parsing XPM extensions in a file.
</p>
</description>
<impact type="normal">
<p>A remote attacker, by enticing a user to process a specially crafted XPM
file, could execute arbitrary code with the privileges of the process or
cause a Denial of Service condition.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All libXpm users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-libs/libXpm-3.5.12"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-10164">
CVE-2016-10164
</uri>
</references>
<metadata tag="requester" timestamp="2017-01-26T15:22:27Z">whissi</metadata>
<metadata tag="submitter" timestamp="2017-01-29T16:58:23Z">b-man</metadata>
</glsa>
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