Message-Id: <20110908180425.A56781FCE1@security.hp.com>
Date: Thu,  8 Sep 2011 14:04:25 -0400 (EDT)
From: security-alert@...com
To: bugtraq@...urityfocus.com
Subject: [security bulletin] HPSBUX02702 SSRT100606 rev.1 - HP-UX Apache Web Server, Remote Denial of Service (DoS)

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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c02997184
Version: 1

HPSBUX02702 SSRT100606 rev.1 - HP-UX Apache Web Server, Remote Denial of Service (DoS)

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

Release Date: 2011-09-08
Last Updated: 2011-09-08

 ------------------------------------------------------------------------------

Potential Security Impact: Remote Denial of Service (DoS)

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

VULNERABILITY SUMMARY
A potential security vulnerability has been identified with HP-UX Apache Web Server. These vulnerability could be exploited remotely to create a Denial of Service (DoS).

References: CVE-2011-3192, CVE-2011-0419

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.23, B.11.31 running HP-UX Apache Web Server Suite v3.15 or earlier

BACKGROUND

CVSS 2.0 Base Metrics
===========================================================
  Reference              Base Vector             Base Score
CVE-2011-3192    (AV:N/AC:L/Au:N/C:N/I:N/A:C)       7.8
CVE-2011-0419    (AV:N/AC:M/Au:N/C:N/I:N/A:P)       4.3
===========================================================
             Information on CVSS is documented
            in HP Customer Notice: HPSN-2008-002

RESOLUTION

This bulletin will be revised when additional information becomes available.

HP has provided the following software update to resolve this vulnerability.

The update is available for download from the following location
ftp://srt10606:P2xg=AD5@....usa.hp.com
or https://ftp.usa.hp.com/hprc/home with
username srt10606 and password P2xg=AD5

HP-UX Web Server Suite v.3.18 containing Apache v2.2.15.08 HP-UX 11i Release
 Apache Depot name

B.11.23 (32-bit) / Apache-CVE-2011-3192-Fix-IA-PA-32.depot

B.11.23 (64-bit) / Apache-CVE-2011-3192-Fix-IA-PA-64.depot

B.11.31 (32-bit) / Apache-CVE-2011-3192-Fix-IA-PA-32.depot

B.11.31 (64-bit) / Apache-CVE-2011-3192-Fix-IA-PA-64.depot

For customers not wanting to install this preliminary patch, we recommend that three work arounds be considered from the Apache Software Foundation.

1) Use SetEnvIf or mod_rewrite to detect a large number of ranges and then either ignore the Range: header or reject the request.

2) Limit the size of the request field to a few hundred bytes.

3) Use mod_headers to completely disallow the use of Range headers.

Please refer to the Apache advisory for details. http://mail-archives.apache.org/mod_mbox/httpd-announce/201108.mbox/%3c20110826103531.998348F82@minotaur.apache.org%3e

MANUAL ACTIONS: Yes - Update
Install HP-UX Web Server Suite v3.18 or subsequent.

PRODUCT SPECIFIC INFORMATION

HP-UX Software Assistant: HP-UX Software Assistant is an enhanced application that replaces HP-UX Security Patch Check.

It analyzes all Security Bulletins issued by HP and lists recommended actions that may apply to a specific HP-UX system. It can also download patches and create a depot automatically. For more information see https://www.hp.com/go/swa

The following text is for use by the HP-UX Software Assistant.

AFFECTED VERSIONS

HP-UX Web Server Suite v3.18
HP-UX B.11.23
HP-UX B.11.31
==================
hpuxws22APCH32.APACHE
hpuxws22APCH32.APACHE2
hpuxws22APCH32.AUTH_LDAP
hpuxws22APCH32.AUTH_LDAP2
hpuxws22APCH32.MOD_JK
hpuxws22APCH32.MOD_JK2
hpuxws22APCH32.MOD_PERL
hpuxws22APCH32.MOD_PERL2
hpuxws22APCH32.PHP
hpuxws22APCH32.PHP2
hpuxws22APCH32.WEBPROXY
hpuxws22APCH32.WEBPROXY2
hpuxws22APACHE.APACHE
hpuxws22APACHE.APACHE2
hpuxws22APACHE.AUTH_LDAP
hpuxws22APACHE.AUTH_LDAP2
hpuxws22APACHE.MOD_JK
hpuxws22APACHE.MOD_JK2
hpuxws22APACHE.MOD_PERL
hpuxws22APACHE.MOD_PERL2
hpuxws22APACHE.PHP
hpuxws22APACHE.PHP2
hpuxws22APACHE.WEBPROXY
hpuxws22APACHE.WEBPROXY2
action: install revision B.2.2.15.08 or subsequent

END AFFECTED VERSIONS

HISTORY
Version:1 (rev.1) - 8 September 2011 Initial release

Third Party Security Patches: Third party security patches that 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

Subscribe: To initiate a subscription to receive future HP Security Bulletin alerts via Email: http://h41183.www4.hp.com/signup_alerts.php?jumpid=hpsc_secbulletins

Security Bulletin List: A list of HP Security Bulletins, updated periodically, is contained in HP Security Notice HPSN-2011-001: https://h20566.www2.hp.com/portal/site/hpsc/public/kb/docDisplay/?docId=emr_na-c02964430

3C = 3COM
3P = 3rd Party Software
GN = HP General Software
HF = HP Hardware and Firmware
MP = MPE/iX
MU = Multi-Platform Software
NS = NonStop Servers
OV = OpenVMS
PI = Printing and Imaging
PV = ProCurve
ST = Storage Software
TU = Tru64 UNIX
UX = HP-UX

Copyright 2011 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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