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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202012-17">
  <title>D-Bus: Denial of service</title>
  <synopsis>A local Denial of Service vulnerability was discovered in D-Bus.</synopsis>
  <product type="ebuild">dbus</product>
  <announced>2020-12-23</announced>
  <revised count="1">2020-12-23</revised>
  <bug>755392</bug>
  <access>local</access>
  <affected>
    <package name="sys-apps/dbus" auto="yes" arch="*">
      <unaffected range="ge">1.12.20</unaffected>
      <vulnerable range="lt">1.12.20</vulnerable>
    </package>
  </affected>
  <background>
    <p>D-Bus is a message bus system which processes can use to talk to each
      other.
    </p>
  </background>
  <description>
    <p>It was discovered that D-Bus did not properly handle the situation when
      two usernames have the same numeric UID.
    </p>
  </description>
  <impact type="low">
    <p>An attacker could possibly cause a Denial of Service condition or
      trigger other undefined behavior, possibly including incorrect
      authorization decisions.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All D-Bus users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=sys-apps/dbus-1.12.20"
    </code>
    
  </resolution>
  <references>
    <uri link="https://lists.freedesktop.org/archives/ftp-release/2020-July/000758.html">
      dbus 1.12.20 security update announcement
    </uri>
  </references>
  <metadata tag="requester" timestamp="2020-12-23T00:47:59Z">whissi</metadata>
  <metadata tag="submitter" timestamp="2020-12-23T19:54:00Z">whissi</metadata>
</glsa>