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AUSCERT External Security Bulletin Redistribution
ESB-2002.344 -- HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0198
Sec. Vulnerability in ASUnetbios
15 July 2002
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AusCERT Security Bulletin Summary
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Product: RFC-Netbios
Vendor: Hewlett-Packard
Operating System: HP-UX 11.11
HP-UX 11.00
Platform: HP 9000
Impact: Denial of Service
Access Required: Remote
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HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0198,
Originally issued: 10 July 2002
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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: RFC-Netbios panics when it receives a malformed UDP
packet on port 139.
PLATFORM: HP 9000 Servers running HP-UX release 11.00, and
11.11 only.
DAMAGE: Possible denial-of-service.
SOLUTION: Apply the appropriate patch for HP-UX releases:
PHNE_26988 11.00 and 11.11
MANUAL ACTIONS: none
AVAILABILITY: The patch is available now on itrc.hp.com.
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A. Background
Hewlett-Packard Company has learned of a defect in the use of
the Advanced Server/9000 for HP-UX (AS/U), versions B.04.05,
B.04.06, B.04.07, B.04.08, and B.04.09.
B. Fixing the problem
The recommended solution is to retrieve and install the
appropriate RFC-NETBIOS cumulative patch Jun2002:
PHNE_26988 11.00 and 11.11
NOTE: A reboot will be necessary.
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
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.
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.
To -gain access- to the Security Patch Matrix, select
the link for "The Security Bulletins Archive". (near the
bottom of the page) Once in the archive the third link is
to the current Security Patch Matrix. Updated daily, this
matrix categorizes security patches by platform/OS release,
and by bulletin topic. Security Patch Check completely
automates the process of reviewing the patch matrix for
11.XX systems.
For information on the Security Patch Check tool, see:
http://www.software.hp.com/cgi-bin/swdepot_parser.cgi/cgi/
displayProductInfo.pl?productNumber=B6834AA"
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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