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AUSCERT External Security Bulletin Redistribution
ESB-2002.420 -- HEWLETT-PACKARD COMPANY SECURITY BULLETIN: HPSBUX0208-207
Sec. Vulnerability in HP Apache Server PHP
13 August 2002
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AusCERT Security Bulletin Summary
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Product: HP Apache Server 1.3.x
HP Apache Server 2.x
Vendor: Hewlett-Packard
Operating System: HP-UX 11.22
HP-UX 11.20
HP-UX 11.11
HP-UX 11.00
Impact: Denial of Service
Execute Arbitrary Code/Commands
Access Required: Remote
Ref: AL-2002.08
ESB-2002.356
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Document ID: HPSBUX0208-207
Date Loaded: 20020807
Title: Sec. Vulnerability in HP Apache Server PHP
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HEWLETT-PACKARD COMPANY SECURITY BULLETIN: HPSBUX0208-207
Originally issued: 08 August 2002
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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.
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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.
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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.
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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.
________________________________________________________________
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