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gentoo-overlay/metadata/glsa/glsa-202105-29.xml

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202105-29">
<title>Tar: Denial of service</title>
<synopsis>A vulnerability in Tar could lead to a Denial of Service condition.</synopsis>
<product type="ebuild">tar</product>
<announced>2021-05-26</announced>
<revised count="1">2021-05-26</revised>
<bug>778548</bug>
<access>local, remote</access>
<affected>
<package name="app-arch/tar" auto="yes" arch="*">
<unaffected range="ge">1.34</unaffected>
<vulnerable range="lt">1.34</vulnerable>
</package>
</affected>
<background>
<p>The Tar program provides the ability to create and manipulate tar
archives.
</p>
</background>
<description>
<p>It was discovered that GNU Tar had a memory leak when processing archive
headers.
</p>
</description>
<impact type="low">
<p>A remote attacker could entice a user to open a specially crafted
archive using Tar, possibly resulting in a Denial of Service condition.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All Tar users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=app-arch/tar-1.34"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-20193">CVE-2021-20193</uri>
</references>
<metadata tag="requester" timestamp="2021-05-24T01:03:25Z">whissi</metadata>
<metadata tag="submitter" timestamp="2021-05-26T10:11:52Z">whissi</metadata>
</glsa>