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TUCoPS :: Web :: Apache :: m-108.txt

HP Apache Server Vulnerability in PHP (CIAC M-108)




             __________________________________________________________

                       The U.S. Department of Energy
                   Computer Incident Advisory Capability
                           ___  __ __    _     ___
                          /       |     /_\   /
                          \___  __|__  /   \  \___
             __________________________________________________________

                             INFORMATION BULLETIN

                     HP Apache Server Vulnerability in PHP 
                                [HPSBUX0208-207]

August 9, 2002 19:00 GMT                                          Number M-108
______________________________________________________________________________
PROBLEM:       The potential exists for a remotely exploitable vulnerability 
               in the portion of PHP code responsible for handling file 
               uploads, specifically multipart/form-data. 
PLATFORM:      HP9000 Servers running HP-UX release 11.00, 11.11, 11.20, and 
               11.22 with the HP Apache product installed. 
DAMAGE:        Potential for increased privilege, denial of service, or 
               execution of arbitrary code. 
SOLUTION:      Install product bundles as described below.
______________________________________________________________________________
VULNERABILITY  The risk is HIGH. Exploiting this vulnerability could lead to 
ASSESSMENT:    an increase of privileges, denial of service, or execution of 
               arbitrary code. It is remotely exploitable.
______________________________________________________________________________
LINKS: 
 CIAC BULLETIN:      http://www.ciac.org/ciac/bulletins/m-108.shtml 
 ORIGINAL BULLETIN:  http://online.securityfocus.com/advisories/4362 
______________________________________________________________________________

[***** Start HPSBUX0208-207 *****]

Document ID:  HPSBUX0208-207
Date Loaded:  20020807
      Title:  Sec. Vulnerability in HP Apache Server PHP

---------------------------------------------------------------
   HEWLETT-PACKARD COMPANY SECURITY BULLETIN: HPSBUX0208-207
   Originally issued: 08 August 2002
-----------------------------------------------------------------

The information in the following Security Bulletin should be acted
upon as soon as possible.  Hewlett-Packard Company will not be
liable for any consequences to any customer resulting from 
customer's failure to fully implement instructions in this Security
Bulletin as soon as possible.


------------------------------------------------------------------
PROBLEM:  The potential exists for a remotely exploitable 
          vulnerability in the portion of PHP code responsible for
          handling file uploads, specifically multipart/form-data.


PLATFORM: HP9000 Servers running HP-UX release 11.00, 11.11, 11.20,
          and 11.22 with the HP Apache product installed.


DAMAGE:   Potential for increased privilege, denial of service, or
          execution of arbitrary code.


SOLUTION: Download new product bundles from
          http://www.software.hp.com/ISS_products_list.html


MANUAL ACTIONS: Install product bundle.


AVAILABILITY: The new product bundles are available now.


 ------------------------------------------------------------------
A. Background
    The CERT Advisory CA-2002-21 regarding PHP, affects the
    following HP products:


    B9415AA Apache 1.3.x  HP-UX releases 11.00 and 11.11
    B9416AA Apache 2.x    HP-UX releases 11.00 and 11.11
    B9415AA Apache 1.3.x  HP-UX releases 11.20 and 11.22
    B9416AA Apache 2.x    HP-UX releases 11.20 and 11.22
    B9416BA Apache 2.x    IPv6 HP-UX release 11.11


    Before updating, make sure to stop any previous HP Apache
    binary.  Otherwise, the previous binary will continue running,
    preventing the new one from automatically starting, although
    the installation would have been successful. 


    The command to stop the HP Apache binary is:
            for 1.3.26:
                /opt/apache/bin/apachectl stop
            for 2.0.39:
                /opt/hpapache2/bin/apachectl stop


    HP Apache automatically starts upon installation if port 80
    is available.


    Installation of this new version of HP Apache over an existing
    HP Apache installation is supported, while installation over a
    non-HP Apache is NOT supported.


 ==================================================================


   Case id: SSRT2300 - HP Tru64 UNIX, HP OpenVMS, and Internet
                       Express V5.9


    o Secure Web Server for HP OpenVMS and HP Tru64 UNIX are not
      vulnerable.


    o Internet Express V5.9 contains PHP 4.1.2 which is not
      listed as vulnerable to this problem.  We also have provided
      an externally downloadable Secure Web Server 5.9.1 kit (with
      security fixes to Apache) that also contains PHP 4.1.2.



B. Fixing the problem


     Note: OpenView Network Node Manager (NNM) customers should not
           install these bundles.  The version of Apache delivered
           with NNM is under investigation.  This bulletin will be
           updated when more information is available.


      The fixes for all versions are in the form of new product 
      bundles rather than patches.


      Fixes for the following versions can be downloaded from
      http://www.software.hp.com/ISS_products_list.html :
 
       hp apache-based web server v.1.3.26.03 
         on hp-ux 11.0 and 11i (pa-risc) 


       hp apache-based web server v.1.3.26.03
         on hp-ux 11i version 1.5 and 1.6 (ipf) 


       hp apache-based web server v.2.0.39.03 
         on hp-ux 11.0 and 11i (pa-risc) 


       hp apache-based web server v.2.0.39.03 
         on hp-ux 11i (pa-risc) for ipv6 


       hp apache-based web server v.2.0.39.03 
         on hp-ux 11i version 1.5 and 1.6 (ipf) 



C. To subscribe to automatically receive future NEW HP Security
   Bulletins from the HP IT Resource Center via electronic
   mail, do the following:


   Use your browser to get to the HP IT Resource Center page at:


       http://itrc.hp.com


    Use the 'Login' tab at the left side of the screen to login
    using your ID and password.  Use your existing login or the
    "Register" button at the left to create a login, in order to
    gain access to many areas of the ITRC.  Remember to save the
    User ID assigned to you, and your password.


    In the left most frame select "Maintenance and Support".


    Under the "Notifications" section (near the bottom of
    the page), select "Support Information Digests".


    To -subscribe- to future HP Security Bulletins or other
    Technical Digests, click the check box (in the left column)
    for the appropriate digest and then click the "Update
    Subscriptions" button at the bottom of the page.


    or


    To -review- bulletins already released, select the link
    (in the middle column) for the appropriate digest.


    To -gain access- to the Security Patch Matrix, select
    the link for "The Security Bulletins Archive".  (near the
    bottom of the page)  Once in the archive the third link is
    to the current Security Patch Matrix. Updated daily, this
    matrix categorizes security patches by platform/OS release,
    and by bulletin topic.  Security Patch Check completely
    automates the process of reviewing the patch matrix for
    11.XX systems.


    For information on the Security Patch Check tool, see:
    http://www.software.hp.com/cgi-bin/swdepot_parser.cgi/cgi/
    displayProductInfo.pl?productNumber=B6834AA"


    The security patch matrix is also available via anonymous
    ftp:


    ftp://ftp.itrc.hp.com/export/patches/hp-ux_patch_matrix/ 


    On the "Support Information Digest Main" page:
    click on the "HP Security Bulletin Archive".



D. To report new security vulnerabilities, send email to


    security-alert@hp.com


   Please encrypt any exploit information using the
   security-alert PGP key, available from your local key
   server, or by sending a message with a -subject- (not body)
   of 'get key' (no quotes) to security-alert@hp.com.


   Permission is granted for copying and circulating this
   Bulletin to Hewlett-Packard (HP) customers (or the Internet
   community) for the purpose of alerting them to problems,
   if and only if, the Bulletin is not edited or changed in
   any way, is attributed to HP, and provided such reproduction
   and/or distribution is performed for non-commercial purposes.


   Any other use of this information is prohibited. HP is not
   liable for any misuse of this information by any third party.
 ________________________________________________________________
-----End of Document ID:  HPSBUX0208-207--------------------------------------

[***** End HPSBUX0208-207 *****]
_______________________________________________________________________________

CIAC wishes to acknowledge the contributions of Hewlett-Packard for the 
information contained in this bulletin.
_______________________________________________________________________________


CIAC, the Computer Incident Advisory Capability, is the computer
security incident response team for the U.S. Department of Energy
(DOE) and the emergency backup response team for the National
Institutes of Health (NIH). CIAC is located at the Lawrence Livermore
National Laboratory in Livermore, California. CIAC is also a founding
member of FIRST, the Forum of Incident Response and Security Teams, a
global organization established to foster cooperation and coordination
among computer security teams worldwide.

CIAC services are available to DOE, DOE contractors, and the NIH. CIAC
can be contacted at:
    Voice:    +1 925-422-8193 (7x24)
    FAX:      +1 925-423-8002
    STU-III:  +1 925-423-2604
    E-mail:   ciac@ciac.org

Previous CIAC notices, anti-virus software, and other information are
available from the CIAC Computer Security Archive.

   World Wide Web:      http://www.ciac.org/
   Anonymous FTP:       ftp.ciac.org

PLEASE NOTE: Many users outside of the DOE, ESnet, and NIH computing
communities receive CIAC bulletins.  If you are not part of these
communities, please contact your agency's response team to report
incidents. Your agency's team will coordinate with CIAC. The Forum of
Incident Response and Security Teams (FIRST) is a world-wide
organization. A list of FIRST member organizations and their
constituencies can be obtained via WWW at http://www.first.org/.

This document was prepared as an account of work sponsored by an
agency of the United States Government. Neither the United States
Government nor the University of California nor any of their
employees, makes any warranty, express or implied, or assumes any
legal liability or responsibility for the accuracy, completeness, or
usefulness of any information, apparatus, product, or process
disclosed, or represents that its use would not infringe privately
owned rights. Reference herein to any specific commercial products,
process, or service by trade name, trademark, manufacturer, or
otherwise, does not necessarily constitute or imply its endorsement,
recommendation or favoring by the United States Government or the
University of California. The views and opinions of authors expressed
herein do not necessarily state or reflect those of the United States
Government or the University of California, and shall not be used for
advertising or product endorsement purposes.

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