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Posted by Security Alert on July 5, 2004, 3:34 pm
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**REVISED 01**
Source: HEWLETT-PACKARD COMPANY
SECURITY BULLETIN: HPSBUX0303-250
Originally issued: 17 March 2003
Last revised: 30 June 2004
SSRT3523 rev.1 HP-UX Webmin remote unauthorized root access
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NOTICE: There are no restrictions for distribution of this
Bulletin provided that it remains complete and intact.
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: A potential vulnerability with Webmin versions prior to
1.070 has been reported at <http://cve.mitre.org>:
CAN-2003-0101
IMPACT: Potential remote unauthorized root access.
PLATFORM: HP-UX B.11.00, B.11.11, B.11.20, and B.11.22 running
HP Webmin.
SOLUTION: Download and install a new HP Webmin product from
<http://www.software.hp.com/>.
MANUAL ACTIONS: Yes - Update plus other actions
Install the product containing the fix.
For customers with HPApache installed, the fix
requires migration to hpuxwsWEBMIN and
removal of the affected products from the system.
AVAILABILITY: Complete product bundles are available now on
<http://www.software.hp.com/>
CHANGE SUMMARY: Rev.1 - added affected versions
Note: Several Apache security bulletins
are being revised to correct the affected
versions specification.
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A. Background
The Common Vulnerabilities and Exposures project
<http://cve.mitre.org/> has identified potential
vulnerabilities in the Webmin GUI Administration tool.
More details are available at:
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0101>
**REVISED 01**
--> 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.
HP-UX B.11.00
HP-UX B.11.11
HP-UX B.11.20
HP-UX B.11.22
=============
ApacheStrong.APACHE-STRONG
--> action: install revision 1.3.27.01 or subsequent
HPApache.WEBMIN
--> action: remove (migrate to hpuxwsWEBMIN)
HP-UX B.11.00
HP-UX B.11.11
HP-UX B.11.22
=============
hpuxwsWEBMIN.HPDOCS
hpuxwsWEBMIN.WEBMIN
--> action: install revision A.1.0.01.01 or subsequent
--> END AFFECTED VERSIONS
B. Recommended solution
The Webmin Group has released Webmin 1.070 as the best known
version that fixes the problems identified in the above
mentioned issues.
Check for Webmin Installation
-----------------------------
To determine if the Webmin GUI Administration Tool from HP
is installed on your system, use Software Distributor's swlist
command. Since Webmin is not visible at the "product" level
for products prior to hpuxwsWEBMIN, search for Apache as well.
All versions of products may co-exist on a single system.
For example, the results of the commands:
swlist -l product | grep -i webmin
hpuxwsWEBMIN A.1.0.00.01 HP-UX Webmin-based Admin
swlist -l product | grep -i apache
ApacheStrong 1.3.19.21 HP Apache-based Web Server
with Strong (128bit) Encryption
HPApache 2.0.39.01.02 HP Apache-based Web Server
Stop Webmin
-----------------------------
Before updating, make sure to stop any previous Webmin binary.
Otherwise, the previous binary will continue running,
preventing the new one from starting, although the installation
would be successful.
After determining which Webmin is installed, stop Webmin with
the following commands:
for ApacheStrong: /opt/apache/webmin/webmin-init stop
for HPApache: /opt/hpapache2/webmin/webmin-init stop
for hpuxwsWEBMIN: /opt/hpws/webmin/webmin-init stop
Since Webmin is bundled with Apache for products prior to
hpuxwsWEBMIN, Apache also needs to be stopped.
for ApacheStrong: /opt/apache/bin/apachectl stop
for HPApache: /opt/hpapache2/bin/apachectl stop
Download and Install Webmin/Apache
-----------------------------
- Download Webmin/Apache from Software Depot
<http://www.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.
- For customers with HPApacheA installed, migrate to
hpuxwsWEBMIN and remove the affected products from the
system.
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 Webmin Installation
----------------------------
If you prefer to remove Webmin 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.
To find the files containing HOME variables in the
/etc/rc.config.d directory:
For ApacheStrong and HPApache when removing Webmin, you will
also remove Apache.
%ls /etc/rc.config.d | grep apache
apacheconf
hpapache2conf
NOTE: For HP Apache 1.3.x, you must manually remove the
Apache directory in addition to the Tomcat directory.
Apache is under directory "/opt/apache" for
HP Apache 1.3.x.
For hpuxwsWebmin/hpuxwsWebmin:
%ls /etc/rc.config.d | grep webmin
hpws_webminconf
* 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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