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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202006-05">
<title>Nokogiri: Command injection</title>
<synopsis>Nokogiri has a vulnerability allowing arbitrary execution of code
if a certain function is used.
</synopsis>
<product type="ebuild">Nokogiri</product>
<announced>2020-06-13</announced>
<revised count="1">2020-06-13</revised>
<bug>691974</bug>
<access>remote</access>
<affected>
<package name="dev-ruby/nokogiri" auto="yes" arch="*">
<unaffected range="ge">1.10.4</unaffected>
<vulnerable range="lt">1.10.4</vulnerable>
</package>
</affected>
<background>
<p>Nokogiri is an HTML, XML, SAX, and Reader parser.</p>
</background>
<description>
<p>A command injection vulnerability in Nokogiri allows commands to be
executed in a subprocess by Ruby’s Kernel.open method. Processes are
vulnerable only if the undocumented method
Nokogiri::CSS::Tokenizer#load_file is being passed untrusted user input.
</p>
</description>
<impact type="normal">
<p>A remote attacker could possibly execute arbitrary code with the
privileges of the process.
</p>
</impact>
<workaround>
<p>Avoid calling the undocumented method Nokogiri::CSS::Tokenizer#load_file
with untrusted user input.
</p>
</workaround>
<resolution>
<p>All Nokogiri users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-ruby/nokogiri-1.10.4"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-5477">CVE-2019-5477</uri>
<uri link="https://github.com/sparklemotion/nokogiri/issues/1915">Upstream
bug
</uri>
</references>
<metadata tag="requester" timestamp="2020-05-22T01:52:12Z">BlueKnight</metadata>
<metadata tag="submitter" timestamp="2020-06-13T01:06:32Z">sam_c</metadata>
</glsa>
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