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[security bulletin] SSRT5899 rev.0 - HP-UX trusted system remote unauthorized access
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HP SECURITY BULLETIN
HPSBUX01165 REVISION: 0
SSRT5899 rev.0 - HP-UX trusted system remote unauthorized access
There are no restrictions for distribution of this Security
Bulletin provided that it remains complete and intact.
The information in this Security Bulletin should be acted upon
as soon as possible.
25 May 2005
POTENTIAL SECURITY IMPACT:
Unauthorized Remote Access
HP Software Security Response Team
A potential security vulnerability has been identified with HP-UX
trusted systems where the vulnerability may be exploited to allow
remote unauthorized access.
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.00, B.11.11, B.11.22, B.11.23 which have been converted
to trusted systems.
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.
action: install PHCO_29249 and PHNE_17030 or subsequent
action: install PHCO_33215 or subsequent
action: disable remshd and avoid the telnet -t option
action: install PHCO_32926 or subsequent
END AFFECTED VERSIONS
HP patch kits to resolve this potential vulnerability are
available for download from:
For HP-UX B.11.00 - PHCO_29249 and PHNE_17030
For HP-UX B.11.11 - PHCO_33215
For HP-UX B.11.23 - PHCO_32926
For HP-UX B.11.22 the issue can be worked around by disabling
remshd and avoiding the use of the telnet -t option. To disable
remshd, comment out all lines in /etc/inetd.conf were remshd is
mentioned. The telnetd line in /etc/inetd.conf should be edited
to remove the -t option if it is present. After making the
changes to inetd.conf run "/usr/sbin/inetd -c" or reboot the
MANUAL ACTIONS: Yes - NonUpdate
For HP-UX B.11.22,
disable remshd and avoid the telnet -t option.
For HP-UX B.11.00, B.11.11, and B11.23,
there are no manual actions.
BULLETIN REVISION HISTORY:
Revision 0: 25 May 2005
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
For more information:
SUPPORT: For further information, contact normal HP Services
REPORT: To report a potential security vulnerability with any HP
supported product, send Email to: security-alert@xxxxxxx 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@xxxxxx with the Subject of
'get key' (no quotes).
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Security Bulletins via Email:
On the web page: ITRC security bulletins and patch sign-up
Under Step1: your IRTC security bulletins and patches
- check ALL categories for which alerts are required and
Under Step2: your IRTC operating systems
- verify your operating system selections are checked and
To update an existing subscription:
Log in on the web page
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On the Web page:
Subscriber's Choice: your profile summary
- use Edit Profile to update appropriate sections.
To review previously published Security Bulletins visit:
* The Software Product Category that this Security Bulletin
relates to is represented by the 5th and 6th characters of the
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
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