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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202008-15">
<title>Docker: Information disclosure</title>
<synopsis>A flaw in Docker allowed possible information leakage.</synopsis>
<product type="ebuild">docker</product>
<announced>2020-08-26</announced>
<revised count="1">2020-08-26</revised>
<bug>729208</bug>
<access>local</access>
<affected>
<package name="app-emulation/docker" auto="yes" arch="*">
<unaffected range="ge">19.03.12</unaffected>
<vulnerable range="lt">19.03.12</vulnerable>
</package>
</affected>
<background>
<p>Docker is the world’s leading software containerization platform.</p>
</background>
<description>
<p>It was found that Docker created network bridges which by default accept
IPv6 router advertisements.
</p>
</description>
<impact type="normal">
<p>An attacker who gained access to a container with CAP_NET_RAW capability
may be able to to spoof router advertisements, resulting in information
disclosure or denial of service.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All Docker users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-emulation/docker-19.03.12"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-13401">CVE-2020-13401</uri>
</references>
<metadata tag="requester" timestamp="2020-08-26T14:40:16Z">sam_c</metadata>
<metadata tag="submitter" timestamp="2020-08-26T21:33:28Z">sam_c</metadata>
</glsa>
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