glsa-200507-16.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200507-16">
  <title>dhcpcd: Denial of Service vulnerability</title>
  <synopsis>
    A vulnerability in dhcpcd may cause the dhcpcd daemon to crash.
  </synopsis>
  <product type="ebuild">dhcpcd</product>
  <announced>2005-07-15</announced>
  <revised count="01">2005-07-15</revised>
  <bug>98394</bug>
  <access>remote</access>
  <affected>
    <package name="net-misc/dhcpcd" auto="yes" arch="*">
      <unaffected range="ge">1.3.22_p4-r11</unaffected>
      <vulnerable range="lt">1.3.22_p4-r11</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    dhcpcd is a standards compliant DHCP client daemon. It requests an
    IP address and other information from the DHCP server, automatically
    configures the network interface, and tries to renew the lease time.
    </p>
  </background>
  <description>
    <p>
    infamous42md discovered that dhcpcd can be tricked to read past
    the end of the supplied DHCP buffer. As a result, this might lead to a
    crash of the daemon.
    </p>
  </description>
  <impact type="normal">
    <p>
    With a malicious DHCP server an attacker could cause a Denial of
    Service by crashing the DHCP client.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All dhcpcd users should upgrade to the latest available version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=net-misc/dhcpcd-1.3.22_p4-r11"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1848">CAN-2005-1848</uri>
  </references>
  <metadata tag="requester" timestamp="2005-07-11T14:38:55Z">
    koon
  </metadata>
  <metadata tag="submitter" timestamp="2005-07-11T17:42:40Z">
    adir
  </metadata>
  <metadata tag="bugReady" timestamp="2005-07-12T08:00:32Z">
    koon
  </metadata>
</glsa>