Published:
23 October 2001
Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2001.450 -- HP Support Information Digests HPSBTL0110-001
Sec. Vulnerability in fs protection
24 October 2001
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AusCERT Security Bulletin Summary
---------------------------------
Product: Secure OS software for Linux
Vendor: Hewlett-Packard
Impact: Increased Privileges
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Document ID: HPSBTL0110-001
Date Loaded: 20011022
Title: Sec. Vulnerability in fs protection
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HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #001
Originally issued: 23 October '01
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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: File system protection does not work in all cases.
PLATFORM: Any system running HP Secure OS software for Linux Release
1.0
DAMAGE: Under certain conditions, users can have privileges on
some files contrary to restrictions specified in
file-system protection rules.
SOLUTION: Apply the appropriate patch (see section B below).
MANUAL ACTIONS: None
AVAILABILITY: These patches are available now.
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A. Background
Hewlett-Packard Company has discovered a vulnerability
in the file-system protection subsystem of its Secure OS
Software for Linux. It is possible too that users may have
unauthorized privileges on files which have had protection
rules specified on them.
B. Fixing the problem
Apply one of the following patches (depending upon the processor
architecture on the installed system):
Architecture Patch ID
------------ --------
i586 HPTL_00001
i686-UNP HPTL_00002
i686-SMP HPTL_00003
These patches are available as follows: -
Use your browser to get to the HP IT Resource Center page
at:
http://itrc.hp.com
Use the 'Login' tab at the left side of the screen to login
using your ID and password. Use your existing login or the
"Register" button at the left to create a 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" section, select "individual patches".
In the field at the bottom of the page labelled "retrieve a specific patch
by entering the patch name", enter the appropriate Patch ID as specified in
the table above.
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
and login as described in section B. above.
In the left most frame select "Maintenance and Support".
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.
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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