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From: IT Resource Center (support_feedback_at_us-support2-mail.external.hp.com)
Date: Fri Dec 20 2002 - 07:32:07 CST
HP Support Information Digests
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Digest Name: daily HP-UX security bulletins digest
Created: Fri Dec 20 6:00:03 EST 2002
Table of Contents:
Document ID Title
--------------- -----------
HPSBUX0212-235 SSRT2438 Sec. Vulnerability in Java Bytecode verifier
HPSBUX0212-234 SSRT2432 Security Vulnerability in smrsh (rev.1)
The documents are listed below.
-------------------------------------------------------------------------------
Document ID: HPSBUX0212-235
Date Loaded: 20021219
Title: SSRT2438 Sec. Vulnerability in Java Bytecode verifier
TEXT
-----------------------------------------------------------------
Source: HEWLETT-PACKARD COMPANY
SECURITY BULLETIN: HPSBUX0212-235
Originally issued: 19 Dec 2002
SSRT2438 Sec. Vulnerability in JAVA Bytecode Verifier
-----------------------------------------------------------------
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.
------------------------------------------------------------------
PROBLEM: Javasoft has issued Security Bulletin 109 concerning
problems with the Java Bytecode verifier initialization.
IMPACT: Potential denial of Service, information leakage, or
arbitrary execution of code.
There are no reported attacks based on this vulnerability.
PLATFORM: HP-UX versions of Java (1.1.X, 1.2.X, 1.3.X, and 1.4.X
only.)
SOLUTION: Update to version of Java with the security fix.
1.1.X. - Upgrade to 1.2.X, 1.3.X, or 1.4.X.
1.2.X - 1.2.2.14 (PA Only)
1.3.X - 1.3.1.08 (PA/IA)
1.4.X - 1.4.0.03 (PA Only)
MANUAL ACTIONS: Yes - Update plus other actions
Update Java:
JDK/JRE 1.2.2.14 or higher for HP-UX 11.x,
JDK/JRE 1.3.1.08 or higher for HP-UX 11.x.
JDK/JRE 1.4.0.03 or higher for HP-UX 11.x.
AVAILABILITY: Updated releases are available now from
<www.hp.com/go/java>.
------------------------------------------------------------------
A. Background
Javasoft has issued their Security Bulletin 109. A defect in the
Bytecode Verifier may allow new instances of objects to be
created without calling the proper initialization method
from within the constructor of the created class.
This bug may introduce vulnerabilities into any program that
includes the affected libraries. The resulting vulnerabilities
may have one or more of the following impacts: information
leakage, incorrect execution of code. There are no reported
attacks based on this vulnerability
B. Recommended solution
Rectification of this issue requires a manual update to the
appropriate version of the Java SDK and RTE, which contains
the security fix from the website <www.hp.com/go/java>.
1.1.X. - Upgrade to 1.2.X, 1.3.X, or 1.4.X.
1.2.X - 1.2.2.14 (PA Only)
1.3.X - 1.3.1.08 (PA/IA)
1.4.X - 1.4.0.03 (PA Only)
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:
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
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-alerthp.com.
------------------------------------------------------------------
(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.
________________________________________________________________
-- -----End of Document ID: HPSBUX0212-235--------------------------------------Document ID: HPSBUX0212-234 Date Loaded: 20021217 Title: SSRT2432 Security Vulnerability in smrsh (rev.1)
TEXT
----------------------------------------------------------------- **REVISED 01** Source: HEWLETT-PACKARD COMPANY SECURITY BULLETIN: HPSBUX0212-234 Originally issued: 19 December 2002 Last revision: 20 December 2002 SSRT2432 smrsh restrictions bypass -----------------------------------------------------------------
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.
------------------------------------------------------------------ PROBLEM: Sendmail Restricted Shell (smrsh) may let local users bypass restrictions to execute code.
IMPACT: The potential vulnerability may allow authorized users to execute unauthorized programs.
PLATFORM: HP 9000 Series 700 and 800 running HP-UX 11.00, -->> 11.11, 11.22 running sendmail version 8.11.1 ONLY.
SOLUTION: Until patches are available download and install fixed versions of /usr/sbin/smrsh from the ftp site.
MANUAL ACTIONS: Yes - NonUpdate Download and install fixed versions of /usr/sbin/smrsh from the ftp site.
AVAILABILITY: This bulletin will be revised when patches are available.
CHANGE SUMMARY: Revision 01 - Only sendmail version 8.11.1 is vulnerable. ------------------------------------------------------------------ **REVISED 01** A. Background Sendmail Restricted Shell (smrsh) may let local users -->>bypass restrictions to execute code. The only vulnerable -->>version delivered on HP-UX is sendmail 8.11.1. This version -->>is available as a web upgrade for HP-UX 11.00 and 11.11. -->>Sendmail version 8.11.1 is delivered with HP-UX 11.22.
-->> If "what /usr/bin/smrsh" returns the following: -->> -->> /usr/sbin/smrsh: -->> smrsh.c 8.31.4.5 (Berkeley) 2001/07/16 -->> -->>smrsh must be replaced as indicated in Section B (below).
HP Tru64 UNIX is not vulnerable to this reported problem.
B. Recommended solution
Download the appropriate files from:
System: hprc.external.hp.com (192.170.19.51) Login: smrsh Password: smrsh1
FTP Access: hprc.external.hp.com/">ftp://smrsh:smrsh1
Note: There is an ftp defect in IE5 that may result in a browser hang. To work around this: - Select Tools -> Internet Options -> Advanced - Un-check the option: [ ] Enable folder view for FTP sites.
The files are:
**REVISED 01** -->> smrsh.1100 smrsh.1111 smrsh.1122
cksum 3401290743 20480 smrsh.1100 cksum 3416816647 16384 smrsh.1111 cksum 3349307890 16020 smrsh.1122
If you wish to verify the md5 sums please refer to:
HPSBUX9408-016 Patch sums and the MD5 program
MD5 (smrsh.1100) = 729434fce224e59351f8ef0d84123c3b MD5 (smrsh.1111) = bfd0585d4b11053792d202c1201ac60b MD5 (smrsh.1122) = d4e75fd3dfbc130924c2ff0e22e92d46
Copy the appropriate files to a secure directory, for example /. Then:
**REVISED 01** -->> If the following command returns nothing smrsh is not -->> enabled. In that case the sendmail daemon does not -->> need to be stopped and restarted. -->> -->> /usr/sbin/sendmail -d0.15 nobody < /dev/null | grep smrsh -->> -->> If smrsh is enabled stop the sendmail daemon by executing -->> the following command: -->> /sbin/init.d/sendmail stop -->> Restart the sendmail daemon after replacing smrsh. -->> Mail services for receiving mail will be unavailable -->> until the sendmail daemon has been restarted. cd /usr/sbin mv smrsh smrsh.orig
**REVISED 01** -->> cp /smsrh.1100 smrsh # 11.00 or cp /smsrh.1111 smrsh # 11.11 or cp /smsrh.1122 smrsh # 11.22
chmod 511 smrsh chown bin:bin smrsh
**REVISED 01** -->> Restart the sendmail daemon if necessary by executing the -->> following command: -->> /sbin/init.d/sendmail start
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:
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
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
------------------------------------------------------------------
(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.
________________________________________________________________ -----End of Document ID: HPSBUX0212-234--------------------------------------
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