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Posted by Security Alert on July 12, 2004, 2:20 am
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HP SECURITY BULLETIN
HPSBUX01019 REVISION: 2
SSRT4717 rev.2 Remote denial of service in Apache OpenSSL SSL/TLS
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NOTICE:
There are no restrictions for distribution of this Bulletin
provided that it remains complete and intact.
The information in this Security bulletin should be acted upon
as soon as possible.
INITIAL RELEASE: 07 July 2004
POTENTIAL SECURITY IMPACT: Remote denial of service
SOURCE: HEWLETT-PACKARD COMPANY
HP Software Security Response Team
REFERENCES: CAN-2003-0079, CAN-2004-0112, CERT TA04-078A
VULNERABILITY SUMMARY:
Two potential security vulnerabilities have been identified in
OpenSSL by NISCC (224012/1 and 224012/2). The Common
Vulnerabilities and Exposures project < http://cve.mitre.org/>
has referenced them as the following CAN-2004-0079, and
CAN-2004-0112. The CERT summary is TA04-078A.
1. The do_change_cipher_spec function in OpenSSL allows remote
attackers to cause a denial of service via a crafted SSL/TLS
handshake that triggers a null dereference.
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0079
2. The SSL/TLS handshaking, when using Kerberos ciphersuites, does
not properly check the length of Kerberos tickets during a
handshake, which allows remote attackers to cause a denial of
service via a crafted SSL/TLS handshake that causes an
out-of-bounds read.
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0112
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.
B.11.04
BACKGROUND:
Two potential security vulnerabilities have been identified in
OpenSSL by NISCC ((224012/1 and 224012/2). The Common
Vulnerabilities and Exposures project < http://cve.mitre.org/>
has referenced them as CAN-2004-0079 and CAN-2004-0112.
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.2.0.49.00 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
action: install revision B.2.0.49.00 or subsequent
HP-UX B.11.23
=============
hpuxwsAPACHE
action: install revision B.2.0.49.00 or subsequent
HP-UX B.11.04 Virtualvault A.04.70
==============================
VaultTS.VV-IWS
action: install PHSS_30639 or subsequent
VaultTS.VV-OPENSSH
action: install PHSS_30640 or subsequent
VaultWS.WS-CORE
action: install PHSS_30641 or subsequent
VaultTGP.TGP-CORE
action: install PHSS_30642 or subsequent
HP-UX B.11.04 Virtualvault A.04.60
==============================
VaultTS.VV-IWS
action: install PHSS_30643 or subsequent
VaultTS.VV-OPENSSH
action: install PHSS_30644 or subsequent
VaultWS.WS-CORE
action: install PHSS_30645 or subsequent
VaultTGP.TGP-CORE
action: install PHSS_30646 or subsequent
HP-UX B.11.04 Virtualvault A.04.50
==============================
VaultTS.VV-IWS
action: install PHSS_30647 or subsequent
VaultWS.WS-CORE
action: install PHSS_30648 or subsequent
HP-UX B.11.04 HP Webproxy A.02.10
==============================
HP_Webproxy.HPWEB-PX-CORE
action: install PHSS_30649 or subsequent
HP-UX B.11.04 HP Webproxy A.02.00
==============================
HP_Webproxy.HPWEB-PX-CORE
action: install PHSS_30650 or subsequent
END AFFECTED VERSIONS
RESOLUTION:
For B.11.04 HP has made the following patches available:
PHSS_30639 Virtualvault 4.7 IWS update
PHSS_30640 Virtualvault 4.7 OpenSSH update
PHSS_30641 Virtualvault 4.7 OWS update
PHSS_30642 Virtualvault 4.7 TGP update
PHSS_30643 Virtualvault 4.6 IWS update
PHSS_30644 Virtualvault 4.6 OpenSSH update
PHSS_30645 Virtualvault 4.6 OWS update
PHSS_30646 Virtualvault 4.6 TGP update
PHSS_30647 Virtualvault 4.5 IWS Update
PHSS_30648 Virtualvault 4.5 OWS update
PHSS_30649 Webproxy server 2.1 update
PHSS_30650 Webproxy server 2.0 update
Note: Support ended for HP-UX Web Server Suite for HP-UX 11i v1.6
(11.22) after March 31, 2004. Starting from this release
HP-UX Web Server Suite for HP-UX 11i v1.6 (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 (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.
For B.11.00, B.11.11, and B.11.23:
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
versions products may co-exist on a single system.
For example, the results of the command
swlist -l product | grep -i apache
hpuxwsAPACHE A.2.01 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://software.hp.com>
- - 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 version 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 version 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 - NonUpdate
Install the recommended product.
BULLETIN REVISION HISTORY:
Revision 1 - Corrected the affected versions in the Background
section.
Note: Several Apache security bulletins
are being revised to correct the affected
versions specification.
Revision 2 - Added B.11.04.
* The software product category that this Security Bulletin
relates to is represented by the 5th and 6th characters of the
Bulletin number: GN=General, MA=Management Agents, MI=Misc.
3rd party, MP=HP-MPE/iX, NS=HP NonStop Servers, OV=HP OpenVMS,
PI=HP Printing & Imaging, ST=HP Storage, TU=HP Tru64 UNIX,
TL=Trusted Linux, UX=HP-UX, VV=Virtual Vault
SUPPORT: For further information, contact HP Services support
channel.
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:
Driver and Support Alerts/Notifications Sign-up: Product Selection
Under Step1: your products
1. Select product category:
- a minimum of servers must be selected.
2. Select product family or search:
- a minimum of one product must be selected.
3. Add a product:
- a minimum of one product must be added.
In Step 2: your operating system(s)
- check ALL operating systems for which alerts are required.
Complete the form 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.
Note: In addition to the individual alerts/notifications for the
selected operating systems/products, subscribers will
automatically receive one copy of alerts for non-operating system
categories (i.e., a subscriber who signs up for all six operating
system alerts will only receive one copy of all the non-operating
system alerts).
HP-UX SPECIFIC SECURITY BULLETINS*:
To review previously published Security Bulletins for HP-UX:
http://itrc.hp.com/cki/bin/doc.pl/screen=ckiSecurityBulletin
Security Patch Check revision B.02.00 analyzes all HP-issued
security bulletins to give you a subset of recommended actions
that potentially affect your particular HP-UX system.
For more information:
<http://www.software.hp.com/cgi-bin/swdepot_parser.cgi/cgi/
displayProductInfo.pl?productNumber=B6834AA>
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).
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 2004 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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--
Yours truly,
HP S/W Security Team
WTEC Cupertino, California
Return-Path: secure@cup.hp.com
Reply-to: security-alert@hp.com
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