Published:
22 July 1997
Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-97.091 -- Hewlett-Packard Security Bulletin: HPSB9707-066
Security Vulnerability with rlogin
23 July 1997
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Hewlett-Packard has released the following advisory concerning a security
vulnerability with rlogin. This vulnerability may allow a user to gain
access to privileged data.
The following security bulletin is provided as a service to AUSCERT's
members. As AUSCERT did not write this document, AUSCERT has had no
control over its content. As such, the decision to use any or all of this
information is the responsibility of each user or organisation, and should
be done so in accordance with site policies and procedures.
Contact information for Hewlett-Packard is included in the Security Bulletin
below. If you have any questions or need further information, please
contact them directly.
Previous advisories and external security bulletins can be retrieved from:
http://www.auscert.org.au/information/advisories.html
If you believe that your system has been compromised, contact AUSCERT or your
representative in FIRST (Forum of Incident Response and Security Teams).
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 4477
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AUSCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for emergencies.
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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.
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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.
________________________________________________________________________
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