<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202011-01">
  <title>BlueZ: Arbitrary code execution</title>
  <synopsis>A vulnerability in BlueZ might allow remote attackers to execute
    arbitrary code.
  </synopsis>
  <product type="ebuild">bluez</product>
  <announced>2020-11-03</announced>
  <revised count="1">2020-11-03</revised>
  <bug>749285</bug>
  <access>remote</access>
  <affected>
    <package name="net-wireless/bluez" auto="yes" arch="*">
      <unaffected range="ge">5.55</unaffected>
      <vulnerable range="lt">5.55</vulnerable>
    </package>
  </affected>
  <background>
    <p>Set of tools to manage Bluetooth devices for Linux.</p>
  </background>
  <description>
    <p>It was discovered that there was a double-free vulnerability in Bluez
      after the service discovery which occurs after a Bluetoth Low Energy
      (BLE) connection has been established to a device.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker, by enticing a user to connect to a malicious GATT
      server or device, could cause the execution of arbitrary code with the
      privileges of the user running gatttool client or cause a Denial of
      Service condition.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All BlueZ users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=net-wireless/bluez-5.55"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-27153">CVE-2020-27153</uri>
  </references>
  <metadata tag="requester" timestamp="2020-10-20T10:51:04Z">sam_c</metadata>
  <metadata tag="submitter" timestamp="2020-11-03T00:32:28Z">sam_c</metadata>
</glsa>
