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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202208-18">
<title>Motion: Denial of service</title>
<synopsis>A vulnerability in Motion allows a remote attacker to cause denial of service.</synopsis>
<product type="ebuild">motion</product>
<announced>2022-08-10</announced>
<revised count="1">2022-08-10</revised>
<bug>760714</bug>
<access>remote</access>
<affected>
<package name="media-video/motion" auto="yes" arch="*">
<unaffected range="ge">4.3.2</unaffected>
<vulnerable range="lt">4.3.2</vulnerable>
</package>
</affected>
<background>
<p>Motion is a program that monitors the video signal from one or more cameras and is able to detect motions.</p>
</background>
<description>
<p>The Motion HTTP server does not correctly perform URL decoding. If the HTTP server receives a request for a URL containing an incomplete percent-encoded character, a flaw in parsing results in an infinite loop trying to parse the rest of the character, which eventually results in a denial of service condition when reading out-of-bounds.</p>
</description>
<impact type="low">
<p>A remote attacker can trigger a denial of service condition in Motion.</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All Motion users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-video/motion-4.3.2"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-26566">CVE-2020-26566</uri>
</references>
<metadata tag="requester" timestamp="2022-08-10T22:31:25.890188Z">ajak</metadata>
<metadata tag="submitter" timestamp="2022-08-10T22:31:25.895137Z">ajak</metadata>
</glsa>
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