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HEWLETT-PACKARD COMPANY SECURITY ADVISORY: #00112, 04 April 2000
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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: Programs running on the VirtualVault may receive data
inappropriately via an interface configured with aliased
IP addresses.
PLATFORM: HP9000 Series 7/800 running only HP-UX 11.04 (VVOS).
DAMAGE: Unprivileged processes may receive remote data unexpectedly.
SOLUTION: Apply the patch noted below.
AVAILABILITY: The patch is currently available.
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I.
A. Background
HP-UX 11.04 (VVOS) introduced a vulnerability in the network
layer of the operating system that could allow data to be
delivered via a network interface to unprivileged processes if
multiple IP addresses are assigned to the interface.
B. Fixing the problem
This problem can be eliminated by installing the following patch.
HP-UX 11.04 (VVOS): PHNE_21261
Note: A system reboot will be required. There is no
corresponding problem with HP-UX 10.24 (VVOS).
C. To subscribe to automatically receive future NEW HP Security
Bulletins from the HP IT Resource Center via electronic mail,
do the following:
Use your browser to get to the HP IT Resource Center page
at:
http://us-support.external.hp.com
(for US, Canada, Asia-Pacific, & Latin-America)
http://europe-support.external.hp.com (for Europe)
Under the Maintenance and Support Menu (Electronic Support Center):
click on the "more..." link. Then -
To -subscribe- to future HP Security Bulletins, or
To -review- bulletins already released
click on "Support Information Digests" near the bottom of the
page, under "Notifications".
Login with your user ID and password (or register for one).
(Remember to save the User ID assigned to you, and your password).
On the "Support Information Digest Main" page:
click on the "HP Security Bulletin Archive".
Once in the archive the third link is to our current Security
Patch Matrix. Updated daily, this matrix categorizes security
patches by platform/OS release, and by bulletin topic.
The security patch matrix is also available via anonymous ftp:
us-ffs.external.hp.com
~ftp/export/patches/hp-ux_patch_matrix
D. To report new security vulnerabilities, send email to
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
Permission is granted for copying and circulating this advisory to
Hewlett-Packard (HP) customers (or the Internet community) for the
purpose of alerting them to problems, if and only if, the advisory
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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