glsa-200705-07.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">

<glsa id="200705-07">
  <title>Lighttpd: Two Denials of Service</title>
  <synopsis>
    Two vulnerabilities have been discovered in Lighttpd, each allowing for a
    Denial of Service.
  </synopsis>
  <product type="ebuild">lighttpd</product>
  <announced>May 07, 2007</announced>
  <revised>May 07, 2007: 01</revised>
  <bug>174043</bug>
  <access>remote</access>
  <affected>
    <package name="www-servers/lighttpd" auto="yes" arch="*">
      <unaffected range="ge">1.4.14</unaffected>
      <vulnerable range="lt">1.4.14</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Lighttpd is a lightweight HTTP web server.
    </p>
  </background>
  <description>
    <p>
    Robert Jakabosky discovered an infinite loop triggered by a connection
    abort when Lighttpd processes carriage return and line feed sequences.
    Marcus Rueckert discovered a NULL pointer dereference when a server
    running Lighttpd tries to access a file with a mtime of 0.
    </p>
  </description>
  <impact type="normal">
    <p>
    A remote attacker could upload a specially crafted file to the server
    or send a specially crafted request and then abort the connection,
    possibly resulting in a crash or a Denial of Service by CPU
    consumption.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All Lighttpd users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose &quot;&gt;=www-servers/lighttpd-1.4.14&quot;</code>
  </resolution>
  <references>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1869">CVE-2007-1869</uri>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1870">CVE-2007-1870</uri>
  </references>
  <metadata tag="requester" timestamp="Mon, 30 Apr 2007 09:09:47 +0000">
    jaervosz
  </metadata>
  <metadata tag="bugReady" timestamp="Tue, 01 May 2007 19:04:44 +0000">
    jaervosz
  </metadata>
  <metadata tag="submitter" timestamp="Sun, 06 May 2007 21:36:16 +0000">
    p-y
  </metadata>
</glsa>