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