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CVE details

CVE-2021-22144

In Elasticsearch versions before 7.13.3 and 6.8.17 an uncontrolled recursion vulnerability that could lead to a denial of service attack was identified in the Elasticsearch Grok parser. A user with the ability to submit arbitrary queries to Elasticsearch could create a malicious Grok query that will crash the Elasticsearch node.

Score
6.5 medium
Published
2021-07-26
Links
NVD · cve.org · Report wrong data

Matched ports (1)

PortPackageVersionStatusMaintainer
textproc/py-elasticsearch6py312-elasticsearch66.8.2_2unaddressedsunpoet@FreeBSD.org

Template for a VuXML entry

Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>FIXME -- FIXME</topic>
    <affects>
      <package>
	<name>py312-elasticsearch6</name>
	<range><lt>6.8.17</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>In Elasticsearch versions before 7.13.3 and 6.8.17 an uncontrolled
	recursion vulnerability that could lead to a denial of service attack
	was identified in the Elasticsearch Grok parser. A user with the
	ability to submit arbitrary queries to Elasticsearch could create a
	malicious Grok query that will crash the Elasticsearch node.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2021-22144</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2021-22144</url>
    </references>
    <dates>
      <discovery>2021-07-26</discovery>
      <entry>2026-10-26</entry>
    </dates>
  </vuln>