46 lines
1.6 KiB
XML
46 lines
1.6 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="202012-11">
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<title>c-ares: Denial of service</title>
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<synopsis>A Denial of Service vulnerability was discovered in c-ares.</synopsis>
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<product type="ebuild">c-ares</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>754939</bug>
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<access>local, remote</access>
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<affected>
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<package name="net-dns/c-ares" auto="yes" arch="*">
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<unaffected range="ge">1.17.1</unaffected>
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<vulnerable range="lt">1.17.1</vulnerable>
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</package>
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</affected>
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<background>
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<p>c-ares is an asynchronous resolver library.</p>
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</background>
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<description>
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<p>It was discovered that c-ares incorrectly handled certain DNS requests.</p>
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</description>
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<impact type="low">
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<p>A remote attacker, able to trigger a DNS request for a host of their
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choice by an application linked against c-ares, could possibly cause a
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Denial of Service condition.
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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 c-ares 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/c-ares-1.17.1"
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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-2020-8277">CVE-2020-8277</uri>
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</references>
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<metadata tag="requester" timestamp="2020-12-22T22:25:15Z">whissi</metadata>
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<metadata tag="submitter" timestamp="2020-12-23T19:49:06Z">whissi</metadata>
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</glsa>
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