glsa-202107-26.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202107-26">
  <title>runC: Container breakout</title>
  <synopsis>A vulnerability has been found in runC which could result in
    privilege escalation.
  </synopsis>
  <product type="ebuild">runc</product>
  <announced>2021-07-10</announced>
  <revised count="1">2021-07-10</revised>
  <bug>790257</bug>
  <access>remote</access>
  <affected>
    <package name="app-emulation/runc" auto="yes" arch="*">
      <unaffected range="ge">1.0.0_rc95</unaffected>
      <vulnerable range="lt">1.0.0_rc95</vulnerable>
    </package>
  </affected>
  <background>
    <p>runC is a CLI tool for spawning and running containers according to the
      OCI specification.
    </p>
  </background>
  <description>
    <p>A vulnerability in runC could allow an attacker to achieve privilege
      escalation if specific mount configuration prerequisites are satisfied.
    </p>
  </description>
  <impact type="low">
    <p>An attacker may be able to escalation privileges to gain access to the
      host system.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All runC users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=app-emulation/runc-1.0.0_rc95"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-30465">CVE-2021-30465</uri>
  </references>
  <metadata tag="requester" timestamp="2021-07-10T00:27:46Z">ajak</metadata>
  <metadata tag="submitter" timestamp="2021-07-10T02:54:58Z">ajak</metadata>
</glsa>