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The U.S. Department of Energy
Computer Incident Advisory Capability
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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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