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EnGarde: Several PHP vulnerabilities Print E-mail
User Rating:      How can I rate this item?
Posted by LinuxSecurity.com Team   
EnGarde A heap-based buffer overflow vulnerability has been found in the wordwrap() function of PHP.

+------------------------------------------------------------------------+
| EnGarde Secure Linux Security Advisory               February 19, 2003 |
|  http://www.engardelinux.org/                         ESA-20030219-003 |
|                                                                        |
| Packages: php, mod_php                                                 |
| Summary:  Several PHP vulnerabilities.                                 |
+------------------------------------------------------------------------+

  EnGarde Secure Linux is a secure distribution of Linux that features
  improved access control, host and network intrusion detection, Web
  based secure remote management, e-commerce, and integrated open source
  security tools.

OVERVIEW
--------
  A heap-based buffer overflow vulnerability has been found in the
  wordwrap() function of PHP.  This vulnerability may cause a denial
  of service attack or arbitrary code execution if wordwrap() is used on
  untrusted input.

  The Common Vulnerabilities and Exposures project (cve.mitre.org) has
  assigned the name CAN-2002-1396 to this issue.

  All users are recommended to upgrade as soon as soon as possible.

SOLUTION
--------
  Users of the EnGarde Professional edition can use the Guardian Digital
  Secure Network to update their systems automatically.

  EnGarde Community users should upgrade to the most recent version
  as outlined in this advisory.  Updates may be obtained from:

     ftp://ftp.engardelinux.org/pub/engarde/stable/updates/
     http://ftp.engardelinux.org/pub/engarde/stable/updates/

  Before upgrading the package, the machine must either:

    a) be booted into a "standard" kernel; or
    b) have LIDS disabled.

  To disable LIDS, execute the command:

    # /sbin/lidsadm -S -- -LIDS_GLOBAL

  To install the updated package, execute the command:

    # rpm -Uvh files

  You must now update the LIDS configuration by executing the command:

    # /usr/sbin/config_lids.pl

  To re-enable LIDS (if it was disabled), execute the command:

    # /sbin/lidsadm -S -- +LIDS_GLOBAL

  To verify the signatures of the updated packages, execute the command:

    # rpm -Kv files

UPDATED PACKAGES
----------------
  These updated packages are for EnGarde Secure Linux Community
  Edition.

  Source Packages:

    SRPMS/php-4.2.3-1.0.22.src.rpm
      MD5 Sum: 1a06d6ed94a855aad38d9851fb5bea8a

  Binary Packages:

    i386/mod_php-4.2.3-1.0.22.i386.rpm
      MD5 Sum: 4fb941c9d2d96b448df72e158b1fdb92


    i386/php-4.2.3-1.0.22.i386.rpm
      MD5 Sum: 54b33db7d2bd6203392f7aec91c20aaf

    i686/mod_php-4.2.3-1.0.22.i686.rpm
      MD5 Sum: 722a305a2848f1840c92a61c204d932d

    i686/php-4.2.3-1.0.22.i686.rpm
      MD5 Sum: aec6f8b625f03b6fff8fa3ebd544dd67

REFERENCES
----------
  Guardian Digital's public key:
     http://ftp.engardelinux.org/pub/engarde/ENGARDE-GPG-KEY

  PHP's Official Web Site:
     http://www.php.net/

  Security Contact:    security@guardiandigital.com
  EnGarde Advisories:  http://www.engardelinux.org/advisories.html

--------------------------------------------------------------------------
$Id: ESA-20030219-003-php,v 1.1 2003/02/19 15:44:26 rwm Exp $
--------------------------------------------------------------------------
Author: Ryan W. Maple <ryan@guardiandigital.com>
Copyright 2003, Guardian Digital, Inc.

 
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