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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="201711-11">
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<title>VDE: Privilege escalation</title>
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<synopsis>A vulnerability was discovered in VDE which may allow local users
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to gain root privileges.
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</synopsis>
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<product type="ebuild">vde</product>
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<announced>2017-11-12</announced>
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<revised count="1">2017-11-12</revised>
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<bug>603382</bug>
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<access>local</access>
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<affected>
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<package name="net-misc/vde" auto="yes" arch="*">
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<unaffected range="ge">2.3.2-r4</unaffected>
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<vulnerable range="lt">2.3.2-r4</vulnerable>
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</package>
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</affected>
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<background>
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<p>VDE is an ethernet compliant virtual network that can be spawned over a
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set of physical computer over the Internet.
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</p>
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</background>
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<description>
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<p>It was discovered that Gentoo’s default VDE installation suffered from
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a privilege escalation vulnerability in the init script. This script
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calls an unsafe ‘chown’ command which gives members from “qemu”
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group root privileges.
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</p>
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</description>
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<impact type="normal">
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<p>A local attacker could escalate privileges to root.</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 VDE 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 ">=net-misc/vde-2.3.2-r4"
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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-2017-16638">
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CVE-2017-16638
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</uri>
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</references>
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<metadata tag="requester" timestamp="2017-11-07T14:12:38Z">chrisadr</metadata>
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<metadata tag="submitter" timestamp="2017-11-12T22:28:58Z">chrisadr</metadata>
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</glsa>
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