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HP SECURITY BULLETIN

HPSBUX01232     REVISION: 0

SSRT051043 rev.0 - Apache Remote Unauthorized access

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

INITIAL RELEASE:
05 October 2005

POTENTIAL SECURITY IMPACT:
Remote unauthorized access.

SOURCE:
Hewlett-Packard Company
HP Software Security Response Team

VULNERABILITY SUMMARY:
A potential security vulnerability has been identified with Apache
running on HP-UX where the vulnerability could be exploited
remotely to bypass client-based certificate authentication and
gain unauthorizied access to certain web pages.

REFERENCES:
CAN-2005-2700

SUPPORTED SOFTWARE VERSIONS*:  ONLY impacted versions are listed.
HP-UX B.11.00, B.11.11, B.11.22, and B.11.23 running the
hpuxwsAPACHE HP-UX Apache-based Web Server.

BACKGROUND:

A potential security vulnerability has been identified in Apache
Web Server.  The Common Vulnerabilities and Exposures
project http://cve.mitre.org/ has referenced it as CAN_2005-2700.

     AFFECTED VERSIONS

     Note: To determine if a system has an affected version,
           search the output of "swlist -a revision -l fileset"
           for an affected fileset.  Then determine if the
           recommended patch or update is installed.

      For IPv4:
      HP-UX B.11.00
      HP-UX B.11.11
      =============
      hpuxwsAPACHE
      action: install revision A.2.0.54.02 or subsequent

      HP-UX B.11.22
      =============
      hpuxwsAPACHE
      action: migrate to B.11.23

      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
      action: install revision B.2.0.54.02 or subsequent

      HP-UX B.11.23
      =============
      hpuxwsAPACHE
      action: install revision B.2.0.54.02 or subsequent

     END AFFECTED VERSIONS



RESOLUTION:

HP has made the following software updates available to resolve
the issue:

HP-UX B.11.00 - Apache revision A.2.0.54.02 or subsequent
HP-UX B.11.11 (IPv4) - Apache revision A.2.0.54.02 or subsequent
HP-UX B.11.11 (IPv6) - Apache revision B.2.0.54.02 or subsequent
HP-UX B.11.22 - Upgrade to HP-UX B.11.23
HP-UX B.11.23 - Apache revision B.2.0.54.02 or subsequent

NOTE: Support ended for HP-UX Web Server Suite for HP-UX 11i v1.6
      (B.11.22) after March 31, 2004. HP-UX Web Server Suite for
      HP-UX 11i v1.6 (B.11.22) is no longer available or
      supported.
      Users of HP-UX Web Server Suite on HP-UX 11i v1.6 are
      encouraged to update to HP-UX 11i v2 (B.11.23) and install
      the latest HP-UX Web Server Suite for HP-UX 11i v2.

Please write to security-alert@hp.com  for more information.

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.2.0.52.00 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/portal/swdepot/displayProductInfo.do?
   productNumber=HPUXWSATW213>

 - 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.

BULLETIN REVISION HISTORY:
Revision 0   05 October 2005
     Initial release



HP-UX SPECIFIC SECURITY BULLETINS*:  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://www.software.hp.com/cgi-bin/swdepot_parser.cgi/cgi/
displayProductInfo.pl?productNumber=B6834AA


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@hp.com. It is
strongly recommended that security related information being
communicated to HP be encrypted using PGP, especially exploit
information. To obtain the security-alert PGP key please send an
e-mail message to security-alert@hp.com with the Subject of
'get key' (no quotes).

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://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:
    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 Virtual Vault

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."


(c)Copyright 2005 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 nor 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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