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AUSCERT External Security Bulletin Redistribution
ESB-2001.078 -- HP Support Information Digests HPSBMP0102-009
Sec. Vulnerability in MPE/ix linkeditor
23 February 2001
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AusCERT Security Bulletin Summary
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Product: linkeditor
Vendor: Hewlett-Packard
Operating System: MPE/iX 5.5 and newer
Platform: HP3000
Impact: Increased Privileges
Reduced Security
Access Required: Existing Account
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Document ID: HPSBMP0102-009
Date Loaded: 20010220
Title: Sec. Vulnerability in MPE/ix linkeditor
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HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #009, 20 Feb. '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: Normal users of linkeditor can gain certain capabilities
that are allowed for system manager.
PLATFORM: HP3000 running MPE/iX release 5.5 and newer.
DAMAGE: Users can obtain unauthorized privileges and can compromise
system integrity.
SOLUTION: Apply the patch noted below.
For MPE/iX 6.5 release, install LNKLXG1A,
MPE/iX 6.0 release, install LNKLXG1B,
MPE/iX 5.5 release, install LNKLXG1C.
AVAILABILITY: The patches are available now.
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A. Background
Hewlett-Packard Company has learned of a procedure by which
a user can gain additional capabilities using linkeditor.
B. Recommended solution
Apply the appropriate patches to correct the problem:
For MPE/iX 6.5 release, install LNKLXG1A
MPE/iX 6.0 release, install LNKLXG1B,
MPE/iX 5.5 release, install LNKLXG1C.
NOTE: Hewlett-Packard Company will not produce any patches for
releases MPE/iX 4.5 and MPE/iX 5.0.
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 "hp security bulletins archive" near the bottom.
Once in the archive the top 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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This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to use any or all of this information is
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accordance with site policies and procedures.
NOTE: This is only the original release of the security bulletin. It may
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Contact information for the authors of the original document is included
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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 7031
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On call after hours for emergencies.
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