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AUSCERT External Security Bulletin Redistribution
ESB-2000.086 -- HP SECURITY BULLETIN HPSBUX0005-113
Sec. Vulnerability with shutdown command
05 May 2000
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AusCERT Security Bulletin Summary
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Product: shutdown
Vendor: Hewlett-Packard
Operating System: HP-UX release 10.x
HP-UX release 11.x
Platform: HP-9000 Series 700/800
Impact: Increased Privileges
Access Required: Local
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Document ID: HPSBUX0005-113
Date Loaded: 20000503
Title: Sec. Vulnerability with shutdown command
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HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #00113, 3 May 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: shutdown(1M) improperly handles input variables.
PLATFORM: HP-9000 Series700/800 running HP-UX releases 11.X and 10.X.
DAMAGE: Increase of privileges.
SOLUTION: Apply the appropriate patches noted below.
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I.
A. Background
The shutdown command did not properly handle its inputs.
B. Fixing the problem
This problem can be eliminated by installing the following patch,
which now allows the command to function properly.
For HP-UX release 11.00, obtain and apply PHCO_21534;
for HP-UX release 10.20 and 10.10, obtain and apply PHCO_21574.
For HP-UX VirtualVault (VVOS) release 11.04, use PHCO_21567;
for HP-UX VirtualVault (VVOS) release 10.24, use PHCO_21566.
Note: No system reboot will be required.
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://itrc.hp.com
Under the heading "Maintenance and Support" click on the link
"More..." and at the very bottom of that next page, click on
"Support Information Digests" underneath the heading NOTIFICATIONS.
Now login on the IT Resource Center Welcome page, using your user
ID and password (or register for one). You will need to login
in order to gain access to many areas of the ITRC. Remember to
save the User ID assigned to you, and your password.
Once you are on the Support Information Digests Main page,
follow the instructions there.
To -subscribe- to future HP Security Bulletins or other
Technical Digests, click the check box (in the left column)
for the appropriate digest and then click the "Update
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To -review- bulletins already released from our archive, simply
click on the link near the top of the list entitled
"HP Security Bulletins Archive."
or
To -gain access- to the Security Patch Matrix, select
the link for "The Security Bulletins 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
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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