Message-Id: <20061205194115.B4FB89448@hpchs.cup.hp.com>
Date: Tue, 05 Dec 2006 11:41:15 -0800
From: security-alert@...com
To: bugtraq@...urityfocus.com
Subject: [security bulletin] HPSBUX02145 SSRT061202 rev.2 - HP-UX running Apache Remote Execution of Arbitrary Code, Denial of Service (DoS), and Unauthorized Access

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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c00760969
Version: 2

HPSBUX02145 SSRT061202 rev.2 - HP-UX running Apache Remote Execution of Arbitrary Code, Denial of Service (DoS), and Unauthorized Access

NOTICE: The information in this Security Bulletin should be acted upon as soon as possible.

Release Date: 2006-08-25
Last Updated: 2006-12-04

Potential Security Impact: Remote execution of arbitrary code, Denial of Service (DoS), and unauthorized access.

Source: Hewlett-Packard Company, HP Software Security Response Team

VULNERABILITY SUMMARY
Potential security vulnerabilities have been identified with Apache running on HP-UX. These vulnerabilities could be exploited remotely to allow execution of arbitrary code, Denial of Service (DoS), or unauthorized access.

References: CVE-2006-3747, CVE-2005-3352, CVE-2005-3357

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.00, B.11.11, B.11.23 running Apache-based Web Server prior to v.2.0.58.

BACKGROUND

The following potential security vulnerabilities are resolved in the software update listed below:
CVE-2006-3747 (cve.mitre.org): Off-by-one error in the ldap scheme handling.
 ->CVE-2005-3352 (cve.mitre.org): mod_imap Referer Cross-Site Scripting.
 ->CVE-2005-3357 (cve.mitre.org): mod_ssl NULL pointer dereference.

AFFECTED VERSIONS

For IPv4:
HP-UX B.11.00
HP-UX B.11.11
===========
hpuxwsAPACHE
action: install revision A.2.0.58.00 or subsequent
restart Apache
URL: http://h20293.www2.hp.com/cgi-bin/swdepot_parser.cgi/cgi/displayProductInfo.pl?productNumber=HPUXWSSUITE

For IPv6:
HP-UX B.11.11
===========
hpuxwsAPACHE,revision=B.1.0.00.01
hpuxwsAPACHE,revision=B.1.0.07.01
hpuxwsAPACHE,revision=B.1.0.08.01
hpuxwsAPACHE,revision=B.1.0.09.01
hpuxwsAPACHE,revision=B.1.0.10.01
hpuxwsAPACHE,revision=B.2.0.48.00
hpuxwsAPACHE,revision=B.2.0.49.00
hpuxwsAPACHE,revision=B.2.0.50.00
hpuxwsAPACHE,revision=B.2.0.51.00
hpuxwsAPACHE,revision=B.2.0.52.00
hpuxwsAPACHE,revision=B.2.0.53.00
hpuxwsAPACHE,revision=B.2.0.54.00
hpuxwsAPACHE,revision=B.2.0.55.00
action: install revision B.2.0.58.00 or subsequent
restart Apache
URL: http://h20293.www2.hp.com/cgi-bin/swdepot_parser.cgi/cgi/displayProductInfo.pl?productNumber=HPUXWSSUITE

HP-UX B.11.23
===========
hpuxwsAPACHE
action: install revision B.2.0.58.00 or subsequent
restart Apache
URL: http://h20293.www2.hp.com/cgi-bin/swdepot_parser.cgi/cgi/displayProductInfo.pl?productNumber=HPUXWSSUITE

END AFFECTED VERSIONS

RESOLUTION

HP has made the following patches and software updates available to resolve the issue.
Software updates for the Apache-based Web Server are available from:
http://h20293.www2.hp.com/cgi-bin/swdepot_parser.cgi/cgi/displayProductInfo.pl?productNumber=HPUXWSSUITE
HP-UX B.11.00, B.11.11 and HP-UX B.11.23 require the Apache-based Web Server v.2.0.58.00 or subsequent.

Apache Update Procedure

Check for Apache Installation
- ----------------------------
To determine if the Apache web server from HP is installed on your system, use Software Distributor's swlist command. All three revisions of the product may co-exist on a single system.
For example, the results of the command
swlist -l product | grep -i apache
hpuxwsAPACHE B.2.0.55.00 HP-UX Apache-based Web Server

Stop Apache
- -------------
Before updating, make sure to stop any previous Apache binary. Otherwise, the previous binary will continue running, preventing the new one from starting, although the installation would be successful. After determining which Apache is installed, stop Apache with the following commands:
for hpuxwsAPACHE: /opt/hpws/apache[32]/bin/apachectl stop

Download and Install Apache
- ---------------------------
Download Apache from Software Depot:
http://h20293.www2.hp.com/cgi-bin/swdepot_parser.cgi/cgi/ displayProductInfo.pl?productNumber=HPUXWSSUITE
Verify successful download by comparing the cksum with the value specified on the installation web page.

Use SD to swinstall the depot.
Installation of this new revision of HP Apache over an existing HP Apache installation is supported, while installation over a non-HP Apache is NOT supported.

Removing Apache Installation
- ----------------------------
If you prefer to remove Apache from your system instead of installing a newer revision to resolve the security problem, use both Software Distributor's "swremove" command and also "rm -rf" the home location as specified in the rc.config.d file "HOME" variables.
%ls /etc/rc.config.d | \ grep apache hpapache2conf hpws_apache[32]conf

MANUAL ACTIONS: Yes - Update plus other actions
Install the revision of the product.

PRODUCT SPECIFIC INFORMATION
HP-UX Security Patch Check: Security Patch Check revision B.02.00 analyzes all HP-issued Security Bulletins to provide a subset of recommended actions that potentially affect a specific HP-UX system. For more information: http://software.hp.com/portal/swdepot/displayProductInfo.do?productNumber=B6834AA

HISTORY:
rev.1 - 28 August 2006 Initial Release
rev.2 - 04 December 2006 Corrected CVE reference descriptions

Third Party Security Patches: Third party security patches which are to be installed on systems running HP software products should be applied in accordance with the customer's patch management policy.

Support: For further information, contact normal HP Services support channel.

Report: To report a potential security vulnerability with any HP supported product, send Email to: security-alert@...com
It is strongly recommended that security related information being communicated to HP be encrypted using PGP, especially exploit information.
To get the security-alert PGP key, please send an e-mail message as follows:
  To: security-alert@...com
  Subject: get key

Subscribe: To initiate a subscription to receive future HP Security Bulletins via Email:
http://h30046.www3.hp.com/driverAlertProfile.php?regioncode=NA&langcode=USENG&jumpid=in_SC-GEN__driverITRC&topiccode=ITRC
On the web page: ITRC security bulletins and patch sign-up
Under Step1: your ITRC security bulletins and patches
  - check ALL categories for which alerts are required and continue.
Under Step2: your ITRC operating systems
  - verify your operating system selections are checked and save.

To update an existing subscription: http://h30046.www3.hp.com/subSignIn.php
Log in on the web page: Subscriber's choice for Business: sign-in.
On the web page: Subscriber's Choice: your profile summary - use Edit Profile to update appropriate sections.

To review previously published Security Bulletins visit: http://www.itrc.hp.com/service/cki/secBullArchive.do

* The Software Product Category that this Security Bulletin relates to is represented by the 5th and 6th characters of the Bulletin number in the title:

GN = HP General SW
MA = HP Management Agents
MI = Misc. 3rd Party SW
MP = HP MPE/iX
NS = HP NonStop Servers
OV = HP OpenVMS
PI = HP Printing & Imaging
ST = HP Storage SW
TL = HP Trusted Linux
TU = HP Tru64 UNIX
UX = HP-UX
VV = HP VirtualVault

System management and security procedures must be reviewed frequently to maintain system integrity. HP is continually reviewing and enhancing the security features of software products to provide customers with current secure solutions.

"HP is broadly distributing this Security Bulletin in order to bring to the attention of users of the affected HP products the important security information contained in this Bulletin. HP recommends that all users determine the applicability of this information to their individual situations and take appropriate action. HP does not warrant that this information is necessarily accurate or complete for all user situations and, consequently, HP will not be responsible for any damages resulting from user's use or disregard of the information provided in this Bulletin. To the extent permitted by law, HP disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose, title and non-infringement."

©Copyright 2006 Hewlett-Packard Development Company, L.P.

Hewlett-Packard Company shall not be liable for technical or editorial errors or omissions contained herein. The information provided is provided "as is" without warranty of any kind. To the extent permitted by law, neither HP or its affiliates, subcontractors or suppliers will be liable for incidental, special or consequential damages including downtime cost; lost profits; damages relating to the procurement of substitute products or services; or damages for loss of data, or software restoration. The information in this document is subject to change without notice. Hewlett-Packard Company and the names of Hewlett-Packard products referenced herein are trademarks of Hewlett-Packard Company in the United States and other countries. Other product and company names mentioned herein may be trademarks of their respective owners.

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