Published:
12 December 2002
Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2002.692 -- HP Support Information Digest HPSBUX0212-230
SSRT2437 Sec. Vulnerability in CIFS/9000 Samba Server2.2
12 December 2002
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AusCERT Security Bulletin Summary
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Product: CIFS/9000 Server 2.2 A.01.09 and earlier
Vendor: Hewlett-Packard
Platform: HP9000
Impact: Root Compromise
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Source: HEWLETT-PACKARD COMPANY
SECURITY BULLETIN: HPSBUX0212-0230
Originally issued: 10 Dec 2002
SSRT2437 Sec. Vulnerability in CIFS/9000 Samba Server2.2
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NOTICE: There are no restrictions for distribution of this Bulletin
provided that it remains complete and intact.
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: CIFS/9000 Server 2.2 buffer overflow vulnerability.
IMPACT: Potential root access.
PLATFORM: HP 9000 servers running the following CIFS Server versions:
- A.01.08
- A.01.08.01
- A.01.09
SOLUTION: Update to CIFS Server 2.2 version A.01.09.01
MANUAL ACTIONS: Yes - Update to version A.01.09.01
AVAILABILITY: CIFS Server 2.2 version A.01.09.01 is currently
available from:
<http://www.software.hp.com/NSM_products_list.html>
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A. Background
A buffer overrun has been discovered in the HP CIFS Server
version A.01.09 and earlier. There is no known exploit of
this vulnerability, and the Samba Team has not been able to
craft one themselves.
Nevertheless, the Samba Team has judged the vulnerability
significant and announced the defect and fix in their latest
release. HP has integrated the fix into the latest release
of CIFS Server 2.2
For additional details, see:
http://www.samba.org/samba/whatsnew/samba-2.2.7.html
B. Recommended solution
Upgrade to CIFS Server 2.2 version A.01.09.01
which is currently available from:
<http://www.software.hp.com/NSM_products_list.html>
It is the product B8725AA, CIFS/9000 Server 2.2.c.
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
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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=3DB6834AA
The security patch matrix is also available via anonymous
ftp:
ftp://ftp.itrc.hp.com/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.
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(c) Copyright 2002 Hewlett-Packard Company
Hewlett-Packard Company shall not be liable for technical or
editorial errors or omissions contained herein. The information
in this document is subject to change without notice.
Hewlett-Packard Company and the names of HP products referenced
herein are trademarks and/or service marks of Hewlett-Packard
Company. Other product and company names mentioned herein may be
trademarks and/or service marks of their respective owners.
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