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Message-ID: <200305030027.UAA16665@hpfcme.atl.hp.com>
Date: Fri, 02 May 2003 20:27:03 -0400
From: John Morris <jrm@....hp.com>
To: bugtraq@...urityfocus.com
Subject: rwrite buffer overflow in hp-ux
-----BEGIN PGP SIGNED MESSAGE-----
Re: buffer overflow in rwrite
We were unable to duplicate the buffer overflow reported by
bt@...fi.lt when the patches recommended in the following
security bulletin are installed.
- -----------------------------------------------------------------
**REVISED 01**
Source: HEWLETT-PACKARD COMPANY
SECURITY BULLETIN: HPSBUX0208-213
Originally issued: 27 August 2002
Last Revised: 31 December 2002
SSRT2331 Security Vulnerability in lp subsystem
-----------------------------------------------------------------
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.
------------------------------------------------------------------
PROBLEM: Potential buffer overflows in lp subsystem
PLATFORM: HP9000 Servers running HP-UX releases 10.20, 11.00, and
11.11 (11i).
DAMAGE: Potential denial of service to lp subsystem,
SOLUTION: Install the applicable patch for the OS release:
HP-UX 10.20 PHCO_27133,
HP-UX 11.00 PHCO_27132,
HP-UX 11.11 PHCO_27020.
**REVISED 01**
MANUAL ACTIONS: No
AVAILABILITY: The patches are available now on itrc.hp.com.
CHANGE SUMMARY: Revision 01 modify MANUAL ACTIONS field
------------------------------------------------------------------
A. Background
The LP subsystem cummulative patch fixes buffer overflows
that potentially would be exploitable by local users.
B. Recommended solution
Retrieve and install the following appropriate patches:
HP-UX 10.20 PHCO_27133,
HP-UX 11.00 PHCO_27132,
HP-UX 11.11 PHCO_27020.
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://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@...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@...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.
________________________________________________________________
Yours truly,
John Morris
SOFTWARE SECURITY RESPONSE TEAM (SSRT)
Hewlett-Packard Company
HP Services
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