glsa-200504-15.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200504-15">
  <title>PHP: Multiple vulnerabilities</title>
  <synopsis>
    Several vulnerabilities were found and fixed in PHP image handling
    functions, potentially resulting in Denial of Service conditions or the
    remote execution of arbitrary code.
  </synopsis>
  <product type="ebuild">PHP</product>
  <announced>2005-04-18</announced>
  <revised count="01">2005-04-18</revised>
  <bug>87517</bug>
  <access>remote</access>
  <affected>
    <package name="dev-php/php" auto="yes" arch="*">
      <unaffected range="ge">4.3.11</unaffected>
      <vulnerable range="lt">4.3.11</vulnerable>
    </package>
    <package name="dev-php/mod_php" auto="yes" arch="*">
      <unaffected range="ge">4.3.11</unaffected>
      <vulnerable range="lt">4.3.11</vulnerable>
    </package>
    <package name="dev-php/php-cgi" auto="yes" arch="*">
      <unaffected range="ge">4.3.11</unaffected>
      <vulnerable range="lt">4.3.11</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    PHP is a general-purpose scripting language widely used to develop
    web-based applications. It can run inside a web server using the
    mod_php module or the CGI version of PHP, or can run stand-alone in a
    CLI.
    </p>
  </background>
  <description>
    <p>
    An integer overflow and an unbound recursion were discovered in
    the processing of Image File Directory tags in PHP's EXIF module
    (CAN-2005-1042, CAN-2005-1043). Furthermore, two infinite loops have
    been discovered in the getimagesize() function when processing IFF or
    JPEG images (CAN-2005-0524, CAN-2005-0525).
    </p>
  </description>
  <impact type="high">
    <p>
    A remote attacker could craft an image file with a malicious EXIF
    IFD tag, a large IFD nesting level or invalid size parameters and send
    it to a web application that would process this user-provided image
    using one of the affected functions. This could result in denying
    service on the attacked server and potentially executing arbitrary code
    with the rights of the web server.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All PHP users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=dev-php/php-4.3.11"</code>
    <p>
    All mod_php users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=dev-php/mod_php-4.3.11"</code>
    <p>
    All php-cgi users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=dev-php/php-cgi-4.3.11"</code>
  </resolution>
  <references>
    <uri link="https://www.php.net/release_4_3_11.php">PHP 4.3.11 Release Announcement</uri>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0524">CAN-2005-0524</uri>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0525">CAN-2005-0525</uri>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1042">CAN-2005-1042</uri>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1043">CAN-2005-1043</uri>
  </references>
  <metadata tag="submitter" timestamp="2005-04-17T16:51:49Z">
    koon
  </metadata>
  <metadata tag="bugReady" timestamp="2005-04-17T16:51:59Z">
    koon
  </metadata>
</glsa>