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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="202008-15">
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<title>Docker: Information disclosure</title>
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<synopsis>A flaw in Docker allowed possible information leakage.</synopsis>
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<product type="ebuild">docker</product>
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<announced>2020-08-26</announced>
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<revised count="1">2020-08-26</revised>
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<bug>729208</bug>
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<access>local</access>
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<affected>
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<package name="app-emulation/docker" auto="yes" arch="*">
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<unaffected range="ge">19.03.12</unaffected>
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<vulnerable range="lt">19.03.12</vulnerable>
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</package>
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</affected>
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<background>
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<p>Docker is the world’s leading software containerization platform.</p>
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</background>
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<description>
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<p>It was found that Docker created network bridges which by default accept
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IPv6 router advertisements.
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</p>
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</description>
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<impact type="normal">
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<p>An attacker who gained access to a container with CAP_NET_RAW capability
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may be able to to spoof router advertisements, resulting in information
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disclosure or 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 Docker 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 ">=app-emulation/docker-19.03.12"
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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/vuln/detail/CVE-2020-13401">CVE-2020-13401</uri>
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</references>
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<metadata tag="requester" timestamp="2020-08-26T14:40:16Z">sam_c</metadata>
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<metadata tag="submitter" timestamp="2020-08-26T21:33:28Z">sam_c</metadata>
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</glsa>
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