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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202401-07">
<title>R: Directory Traversal</title>
<synopsis>A vulnerability was found in R which could allow for remote code execution.</synopsis>
<product type="ebuild">R</product>
<announced>2024-01-06</announced>
<revised count="1">2024-01-06</revised>
<bug>765361</bug>
<access>remote</access>
<affected>
<package name="dev-lang/R" auto="yes" arch="*">
<unaffected range="ge">4.0.4</unaffected>
<vulnerable range="lt">4.0.4</vulnerable>
</package>
</affected>
<background>
<p>R is a language and environment for statistical computing and graphics.</p>
</background>
<description>
<p>The native R package installation mechanisms do not sufficiently validate installed source packages for path traversal.</p>
</description>
<impact type="normal">
<p>Installation of a malicious R package could result in an arbitrary file overwrite which could result in arbitrary code execution, as might be seen with the overwrite of an authorized_keys file.</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All R users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/R-4.0.4"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-27637">CVE-2020-27637</uri>
</references>
<metadata tag="requester" timestamp="2024-01-06T09:03:55.341282Z">ajak</metadata>
<metadata tag="submitter" timestamp="2024-01-06T09:03:55.343880Z">graaff</metadata>
</glsa>
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