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__________________________________________________________
The U.S. Department of Energy
Computer Incident Advisory Capability
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/ | /_\ /
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__________________________________________________________
INFORMATION BULLETIN
HP-UX Vulnerabilities (netttune, SAM remote admin)
July 24, 1996 22:00 GMT Number G-34
______________________________________________________________________________
PROBLEM: HP has recently released information about fixes to
vulnerabilities in the netttune and SAM remote admin programs.
PLATFORM: See the HP bulletin below for more information.
DAMAGE: See the HP bulletins below for more information.
SOLUTION: Read and implement the recommendations and patches described
below.
______________________________________________________________________________
VULNERABILITY HP recommends using the solutions listed in the bulletin below
ASSESSMENT: as soon as possible.
______________________________________________________________________________
[ Begin HP Bulletin ]
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HEWLETT-PACKARD SECURITY ADVISORY: HPSBU0796-035, 22 July 1996
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The information in the following Security Advisory should be acted upon
as soon as possible. Hewlett Packard will not be liable for any
consequences to any customer resulting from customer's failure to fully
implement instructions in this Security Advisory as soon as possible.
- -------------------------------------------------------------------------
PROBLEM: Incorrect permissions on nettune executable
PLATFORM: HP 9000/700 and 9000/800 systems running operating system
version 10.0 or 10.01 of HP-UX.
DAMAGE: The configuration of various networking parameters could be
modified by non-root users.
SOLUTION: Login as root user and issue the following commands:
chmod 555 /usr/contrib/bin/nettune
chown bin /usr/contrib/bin/nettune
AVAILABILITY: Not applicable
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I. Nettune
A. Background
The nettune program is a utility program that allows non-root
users to examine and root users to modify several items that
affect networking. The nettune binary that ships with HP-UX
10.0 and 10.01 has incorrect permission attributes that allow
non-root users to modify networking parameters which only root
users should be able to modify. Operating systems released
after 10.01, such as HP-UX 10.10, correctly set the permissions
on this program file and are therefore not vulnerable.
B. Fixing the problem
The fix for this problem is to modify the owner and execution
permissions of the nettune binary itself. This can easily be
accomplished using the chown and chmod commands listed below.
C. Recommended solution
Login as root user and issue the following commands:
chmod 555 /usr/contrib/bin/nettune
chown bin /usr/contrib/bin/nettune
D. To subscribe to automatically receive future NEW HP Security
Bulletins from the HP SupportLine mail service via electronic
mail, send an email message to:
support@us.external.hp.com (no Subject is required)
Multiple instructions are allowed in the TEXT PORTION OF THE
MESSAGE, here are some basic instructions you may want to use:
To add your name to the subscription list for new security
bulletins, send the following in the TEXT PORTION OF THE MESSAGE:
subscribe security_info
To retrieve the index of all HP Security Bulletins issued to
date, send the following in the TEXT PORTION OF THE MESSAGE:
send security_info_list
To get a patch matrix of current HP-UX and BLS security
patches referenced by either Security Bulletin or Platform/OS,
put the following in the text portion of your message:
send hp-ux_patch_matrix
World Wide Web service for browsing of bulletins
is available via our URL:
(http://us.external.hp.com)
Choose "Support news", then under Support news,
choose "Security Bulletins"
E. To report new security vulnerabilities, send email to
security-alert@hp.com
Please encrypt exploit information using the security-alert PGP
key, available from your local key server, or by sending a
message with a -subject- (not body) of 'get key' (no quotes) to
security-alert@hp.com.
Permission is granted for copying and circulating this Bulletin to
Hewlett-Packard (HP) customers (or the Internet community) for the
purpose of alerting them to problems, if and only if, the Bulletin
is not edited or changed in any way, is attributed to HP, and
provided such reproduction and/or distribution is performed for
non-commercial purposes.
Any other use of this information is prohibited. HP is not liable
for any misuse of this information by any third party.
________________________________________________________________________
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HEWLETT-PACKARD SECURITY BULLETIN: #HPSBUX9607-034, 22 July 1996
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The information in the following Security Bulletin should be acted upon
as soon as possible. Hewlett Packard 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.
- -----------------------------------------------------------------------
PROBLEM: Vulnerabilities in SAM remote administration.
PLATFORM: HP 9000/300/400/700 and 800 systems running any currently
supported version of HP-UX 9.X and 10.X.
DAMAGE: The security of the enterprise and its applications could
be compromised.
SOLUTION: Follow the procedure below.
AVAILABILITY: Not applicable
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I. Mailing list discussions
A. Background
It has recently come to the attention of Hewlett-Packard that
remote administration of cluster nodes via SAM (System
Administration Manager) is done with a now widely known
password. There is a default account password used in the
currently shipping SAM binary. That user gets created via rsh
on the remote machine.
B. Recommended workaround
Hewlett-Packard strongly recommends that administrators concerned
with the security of their enterprise either:
a) do not configure remote administration, or
b) replace that existing password field in /etc/passwd with an
asterisk (*)
Hewlett-Packard is working to deliver new scheme in a future
release of the SAM product.
C. To subscribe to automatically receive future NEW HP Security
Bulletins from the HP SupportLine mail service via electronic
mail, send an email message to:
support@us.external.hp.com (no Subject is required)
Multiple instructions are allowed in the TEXT PORTION OF THE
MESSAGE, here are some basic instructions you may want to use:
To add your name to the subscription list for new security
bulletins, send the following in the TEXT PORTION OF THE MESSAGE:
subscribe security_info
To retrieve the index of all HP Security Bulletins issued to
date, send the following in the TEXT PORTION OF THE MESSAGE:
send security_info_list
To get a patch matrix of current HP-UX and BLS security
patches referenced by either Security Bulletin or Platform/OS,
put the following in the text portion of your message:
send hp-ux_patch_matrix
World Wide Web service for browsing of bulletins
is available via our URL:
(http://us.external.hp.com)
Choose "Support news", then under Support news,
choose "Security Bulletins"
D. To report new security vulnerabilities, send email to
security-alert@hp.com
Please encrypt exploit information using the security-alert PGP
key, available from your local key server, or by sending a
message with a -subject- (not body) of 'get key' (no quotes) to
security-alert@hp.com.
Permission is granted for copying and circulating this Bulletin to
Hewlett-Packard (HP) customers (or the Internet community) for the
purpose of alerting them to problems, if and only if, the Bulletin
is not edited or changed in any way, is attributed to HP, and
provided such reproduction and/or distribution is performed for
non-commercial purposes.
Any other use of this information is prohibited. HP is not liable
for any misuse of this information by any third party.
______________________________________________________________________
_______________________________________________________________________________
CIAC wishes to acknowledge the contributions of HP for the
information contained in this bulletin.
_______________________________________________________________________________
CIAC, the Computer Incident Advisory Capability, is the computer
security incident response team for the U.S. Department of Energy
(DOE) and the emergency backup response team for the National
Institutes of Health (NIH). CIAC is located at the Lawrence Livermore
National Laboratory in Livermore, California. CIAC is also a founding
member of FIRST, the Forum of Incident Response and Security Teams, a
global organization established to foster cooperation and coordination
among computer security teams worldwide.
CIAC services are available to DOE, DOE contractors, and the NIH. CIAC
can be contacted at:
Voice: +1 510-422-8193
FAX: +1 510-423-8002
STU-III: +1 510-423-2604
E-mail: ciac@llnl.gov
For emergencies and off-hour assistance, DOE, DOE contractor sites,
and the NIH may contact CIAC 24-hours a day. During off hours (5PM -
8AM PST), call the CIAC voice number 510-422-8193 and leave a message,
or call 800-759-7243 (800-SKY-PAGE) to send a Sky Page. CIAC has two
Sky Page PIN numbers, the primary PIN number, 8550070, is for the CIAC
duty person, and the secondary PIN number, 8550074 is for the CIAC
Project Leader.
Previous CIAC notices, anti-virus software, and other information are
available from the CIAC Computer Security Archive.
World Wide Web: http://ciac.llnl.gov/
Anonymous FTP: ciac.llnl.gov (128.115.19.53)
Modem access: +1 (510) 423-4753 (28.8K baud)
+1 (510) 423-3331 (28.8K baud)
CIAC has several self-subscribing mailing lists for electronic
publications:
1. CIAC-BULLETIN for Advisories, highest priority - time critical
information and Bulletins, important computer security information;
2. CIAC-NOTES for Notes, a collection of computer security articles;
3. SPI-ANNOUNCE for official news about Security Profile Inspector
(SPI) software updates, new features, distribution and
availability;
4. SPI-NOTES, for discussion of problems and solutions regarding the
use of SPI products.
Our mailing lists are managed by a public domain software package
called ListProcessor, which ignores E-mail header subject lines. To
subscribe (add yourself) to one of our mailing lists, send the
following request as the E-mail message body, substituting
CIAC-BULLETIN, CIAC-NOTES, SPI-ANNOUNCE or SPI-NOTES for list-name and
valid information for LastName FirstName and PhoneNumber when sending
E-mail to ciac-listproc@llnl.gov:
subscribe list-name LastName, FirstName PhoneNumber
e.g., subscribe ciac-notes OHara, Scarlett W. 404-555-1212 x36
You will receive an acknowledgment containing address, initial PIN,
and information on how to change either of them, cancel your
subscription, or get help.
PLEASE NOTE: Many users outside of the DOE, ESnet, and NIH computing
communities receive CIAC bulletins. If you are not part of these
communities, please contact your agency's response team to report
incidents. Your agency's team will coordinate with CIAC. The Forum of
Incident Response and Security Teams (FIRST) is a world-wide
organization. A list of FIRST member organizations and their
constituencies can be obtained by sending email to
docserver@first.org with an empty subject line and a message body
containing the line: send first-contacts.
This document was prepared as an account of work sponsored by an
agency of the United States Government. Neither the United States
Government nor the University of California nor any of their
employees, makes any warranty, express or implied, or assumes any
legal liability or responsibility for the accuracy, completeness, or
usefulness of any information, apparatus, product, or process
disclosed, or represents that its use would not infringe privately
owned rights. Reference herein to any specific commercial products,
process, or service by trade name, trademark, manufacturer, or
otherwise, does not necessarily constitute or imply its endorsement,
recommendation or favoring by the United States Government or the
University of California. The views and opinions of authors expressed
herein do not necessarily state or reflect those of the United States
Government or the University of California, and shall not be used for
advertising or product endorsement purposes.
LAST 10 CIAC BULLETINS ISSUED (Previous bulletins available from CIAC)
G-24: FreeBSD Security Vulnerabilities
G-25: SUN statd Program Vulnerability
G-26: IRIX Desktop Permissions Panel Vulnerability
G-27: SCO Kernel Security Vulnerability
G-28A: suidperl Vulnerability
G-29: dip Program Vulnerability
G-30: DEC Software Security Kits
G-31: FreeBSD Security Vulnerabilities (ppp, rdist, and rz)
G-32: HP-UX Vulnerabilities in expreserve, rpc.pcnfsd, rpc.statd
G-33: rdist vulnerability
RECENT CIAC NOTES ISSUED (Previous Notes available from CIAC)
Notes 07 - 3/29/95 A comprehensive review of SATAN
Notes 08 - 4/4/95 A Courtney update
Notes 09 - 4/24/95 More on the "Good Times" virus urban legend
Notes 10 - 6/16/95 PKZ300B Trojan, Logdaemon/FreeBSD, vulnerability
in S/Key, EBOLA Virus Hoax, and Caibua Virus
Notes 11 - 7/31/95 Virus Update, Hats Off to Administrators,
America On-Line Virus Scare, SPI 3.2.2 Released,
The Die_Hard Virus
Notes 12 - 9/12/95 Securely configuring Public Telnet Services, X
Windows, beta release of Merlin, Microsoft Word
Macro Viruses, Allegations of Inappropriate Data
Collection in Win95
Notes 96-01 - 3/18/96 Java and JavaScript Vulnerabilities, FIRST
Conference Announcement, Security and Web Search
Engines, Microsoft Word Macro Virus Update
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