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[ For Public Release ]
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The U.S. Department of Energy
Computer Incident Advisory Capability
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INFORMATION BULLETIN
HP-UX rlogin Vulnerability
Update to HP-UX portion for rlogin in Bulletin H-25
July 23, 1997 22:00 GMT Number H-87
______________________________________________________________________________
PROBLEM: A vulnerability exists in the rlogin executable.
PLATFORM: HP 9000 Series 700/800s running HP-UX releases 9.X and 10.X.
DAMAGE: May allow local users unauthorized root access.
SOLUTION: Apply patches as needed.
______________________________________________________________________________
VULNERABILITY Exploit details involving this vulnerability have been made
ASSESSMENT: publicly available. All patches are available now. Hewlett
Packard recommends that this should be acted upon as soon as
possible.
______________________________________________________________________________
[ Start Hewlett-Packard Advisory ]
Document ID: HPSBUX9707-066
Date Loaded: 970722
Title: Security Vulnerability with rlogin
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HEWLETT-PACKARD SECURITY BULLETIN: HPSB9707-066, 22 July 1997
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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: A vulnerability exists in the rlogin executable.
This Security Bulletin supersedes the previous rlogin security
bulletin HPSBUX9702-052, released on 5th February 1997.
PLATFORM: HP9000 Series 700/800s running HP-UX 9.X and HP-UX 10.X releases.
DAMAGE: A user could potentially gain access to privileged data.
SOLUTION: Apply the appropriate patch to correct the vulnerability:
HP-UX 9.00/01/03/04/05/07 : PHNE_11726
HP-UX 10.00/01/10 : PHNE_11727
HP-UX 10.20/30 : PHNE_11728
AVAILABILITY: All patches are are available now.
____________________________________________________________________
Hewlett-Packard recommends that 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.
____________________________________________________________________
I. Nature of the vulnerabilities
A. rlogin
A user could potentially gain access to privileged data.
This Security Bulletin supersedes the previous rlogin security
bulletin HPSBUX9702-052, released on 5th February 1997.
B. Fixing the problems
The problem can both be eliminated by applying the recommended patch.
C. Recommended solution
Hewlett-Packard recommends that the following patch be applied
as appropriate:
HP-UX 9.00/01/03/04/05/07 : PHNE_11726
HP-UX 10.00/01/10 : PHNE_11727
HP-UX 10.20/30 : PHNE_11728
D. To subscribe to automatically receive future NEW HP Security Bulletins
from the HP Electronic Support Center via electronic mail, do the
following:
Use your browser to get to the HP Electronic Support Center page at:
http://us-support.external.hp.com
(for US, Canada, Asia-Pacific, & Latin-America)
http://europe-support.external.hp.com
(for Europe)
Click on the Technical Knowledge Database, register as a user
(remember to save the User ID assigned to you, and your password),
and it will connect to a HP Search Technical Knowledge DB page.
Near the bottom is a hyperlink to our Security Bulletin archive.
Once in the archive there is another link to our current
security patch matrix. Updated daily, this matrix is categorized
by platform/OS release, and by bulletin topic.
F. To report new security vulnerabilities, send email to
security-alert@hp.com
Please encrypt any 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.
________________________________________________________________________
- -----End of Document ID: HPSBUX9707-066---------------------------------
[ End Hewlett-Packard Advisory ]
______________________________________________________________________________
CIAC wishes to acknowledge the contributions of Hewlett-Packard 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 (198.128.39.53)
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+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
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You will receive an acknowledgment email immediately with a confirmation
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If you include the word 'help' in the body of an email to the above address,
it will also send back an information file on how to subscribe/unsubscribe,
get past issues of CIAC bulletins via email, etc.
PLEASE NOTE: Many users outside of the DOE, ESnet, and NIH computing
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incidents. Your agency's team will coordinate with CIAC. The Forum of
Incident Response and Security Teams (FIRST) is a world-wide
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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
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