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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202012-18">
<title>PowerDNS: information disclosure</title>
<synopsis>An information disclosure vulnerability in PowerDNS allow remote
attackers to obtain sensitive information.
</synopsis>
<product type="ebuild">pdns</product>
<announced>2020-12-23</announced>
<revised count="1">2020-12-23</revised>
<bug>744160</bug>
<access>remote</access>
<affected>
<package name="net-dns/pdns" auto="yes" arch="*">
<unaffected range="ge">4.3.1</unaffected>
<vulnerable range="lt">4.3.1</vulnerable>
</package>
</affected>
<background>
<p>The PowerDNS nameserver is an authoritative-only nameserver which uses a
flexible backend architecture.
</p>
</background>
<description>
<p>It was discovered that PowerDNS did not properly handle certain unknown
records.
</p>
</description>
<impact type="low">
<p>An authorized attacker with the ability to insert crafted records into a
zone might be able to leak the content of uninitialized memory. Crafted
records cannot be inserted via AXFR.
</p>
</impact>
<workaround>
<p>Do not take zone data from untrusted users.</p>
</workaround>
<resolution>
<p>All PowerDNS users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dns/pdns-4.3.1"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-17482">CVE-2020-17482</uri>
<uri link="https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-05.html">
PowerDNS Security Advisory 2020-05
</uri>
</references>
<metadata tag="requester" timestamp="2020-12-23T16:32:50Z">whissi</metadata>
<metadata tag="submitter" timestamp="2020-12-23T19:54:22Z">whissi</metadata>
</glsa>
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