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AUSCERT External Security Bulletin Redistribution
ESB-2000.346 -- HP Support Information Digests HPSBUX0001-108
Sec. Vulnerability with Aserver (rev. 03)
15 November 2000
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AusCERT Security Bulletin Summary
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Product: Aserver
Vendor: Hewlett-Packard
Operating System: HPUX 10.X, 11.X
Platform: HP9000 Series 700/800
Impact: Root Compromise
Access Required: Local
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Document ID: HPSBUX0001-108
Date Loaded: 20001108
Title: Sec. Vulnerability with Aserver (rev. 03)
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**REVISED 03** HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0108, 1 Jan '00
Last Revised: 08 November, 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: /opt/audio/bin/Aserver can be used to gain root access.
PLATFORM: HP9000 Series 7/800 running HP-UX releases 10.X and 11.X
DAMAGE: Root access is possible.
SOLUTION: Apply the AudioSubsystem patch:
For HP9000 servers running HP-UX 11.00: PHSS_21663
HP-UX 10.XX: PHSS_21662
AVAILABILITY: The patches are available.
CHANGE SUMMARY: Revision 01 initial release
Revision 02 contains revised permission recommendations.
Revision 03 contains patch recommendations.
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I.
A. Background
A procedure to use /opt/audio/bin/Aserver to gain root access
has been made public.
B. Recommended solution
Patches for fixing the problem have been released and are now
available.
For HP9000 servers running HP-UX 11.00: PHSS_21663
HP-UX 10.XX: PHSS_21662
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 Maintenance and Support Menu (Electronic Support Center):
click on the "more..." link. Then -
Use the 'Login' tab at the left side of the screen to login
using your ID and password. Check with your system
administrator to see if you have an existing login or use
the "Register" button at the left to create a login. 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.
Under the Maintenance and Support Menu, click on the "more..."
link. Under the "Notifications" section (near the bottom of
the page), select "Support Information Digests".
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
Subscriptions" button at the bottom of the page.
or
To -review- bulletins already released, select the link
(in the middle column) for the appropriate digest.
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:
ftp.itrc.hp.com
~ftp/export/patches/hp-ux_patch_matrix"
On the "Support Information Digest Main" page:
click on the "HP Security Bulletin Archive".
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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NOTE: This is only the original release of the security bulletin. It may
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If you believe that your system has been compromised, contact AusCERT or
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