glsa-202107-31.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202107-31">
  <title>polkit: Privilege escalation</title>
  <synopsis>A vulnerability in polkit could lead to local root privilege
    escalation.
  </synopsis>
  <product type="ebuild">polkit</product>
  <announced>2021-07-13</announced>
  <revised count="1">2021-07-13</revised>
  <bug>794052</bug>
  <access>local</access>
  <affected>
    <package name="sys-auth/polkit" auto="yes" arch="*">
      <unaffected range="ge">0.119</unaffected>
      <vulnerable range="lt">0.119</vulnerable>
    </package>
  </affected>
  <background>
    <p>polkit is a toolkit for managing policies related to unprivileged
      processes communicating with privileged process.
    </p>
  </background>
  <description>
    <p>The function polkit_system_bus_name_get_creds_sync() was called without
      checking for error, and as such temporarily treats the authentication
      request as coming from root.
    </p>
  </description>
  <impact type="high">
    <p>Please review the referenced CVE identifiers for details.</p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All polkit users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=sys-auth/polkit-0.119"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-3560">CVE-2021-3560</uri>
  </references>
  <metadata tag="requester" timestamp="2021-07-13T00:16:39Z">ajak</metadata>
  <metadata tag="submitter" timestamp="2021-07-13T02:29:59Z">ajak</metadata>
</glsa>