HP Support Information Digests
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------------------------------
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===============================================================================
Digest Name: daily HP-UX security bulletins digest
Created: Tue Mar 4 6:00:02 EST 2003
Table of Contents:
Document ID Title
--------------- -----------
HPSBUX0302-246 SSRT3469 Potential Security Vulnerability in sendmail
HPSBUX0209-215 SSRT2336 Security Vulnerability in XDR library (rev.4)
The documents are listed below.
-------------------------------------------------------------------------------
Document ID: HPSBUX0302-246
Date Loaded: 20030303
Title: SSRT3469 Potential Security Vulnerability in sendmail
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
-----------------------------------------------------------------
Source: HEWLETT-PACKARD COMPANY
SECURITY BULLETIN: HPSBUX0302-246
Originally issued: 03 March 2003
SSRT3469 Potential Security Vulnerability in sendmail
-----------------------------------------------------------------
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: Potential security vulnerability in sendmail
IMPACT: Potential unauthorized Privileged Access,
Potential Denial of Service (DoS).
PLATFORM: HP 9000 Series 700/800 Servers running HP-UX 10.10,
10.20, 11.00, 11.04, 11.11, and 11.22.
SOLUTION: Download and install the appropriate sendmail file.
MANUAL ACTIONS: Yes - NonUpdate
Download and install the appropriate sendmail file.
AVAILABILITY: This bulletin will be revised when patches are
available.
------------------------------------------------------------------
A. Background
A potential security vulnerability with sendmail has been
reported in HP-UX. This potential vulnerability may result in
unauthorized Privileged Access or a Denial of Service (DoS).
This potential vulnerability may be exploited remotely.
This problem also affects HP Tru64 UNIX/Trucluster Server.
NOTE: This problem does not impact HP NonStop Servers nor
HP OpenVMS.
The HP Tru64 bulletin will be posted to the customer
support website within 24 hours of release to -
http://thenew.hp.com/country/us/eng/support.html
or www.hp.com
Use the SEARCH IN feature box, enter SSRT in the
search window or use a specific SSRT #
example: SSRT3469
B. Recommended solution
Determine if you are running a vulnerable version of sendmail:
Login in as root:
cd /usr/sbin
sendmail -d0.1 < /dev/null | grep -i version
The display will show Version #.#.#
HP Versions affected: 8.8.6, 8.9.3, 8.11.1
Download the appropriate file:
For HP-UX 10.10: sendmail.886.10.01.gz
For HP-UX 10.20: sendmail.893.10.20.gz
For HP-UX 11.00: sendmail.811.11.00.gz
sendmail.893.11.00.gz
For HP-UX 11.04: sendmail.811.11.00.gz
sendmail.893.11.00.gz
For HP-UX 11.11: sendmail.811.11.11.gz
sendmail.893.11.11.gz
For HP-UX 11.22: sendmail.811.11.22.gz
The files are available from the following site:
System: hprc.external.hp.com (192.170.19.51)
Login: sendmail
Password: sendmail
FTP Access: sendmailat_private/">ftp://sendmail:sendmailat_private/
or: ftp://sendmail:sendmailat_private/
or: ftp hprc.external.hp.com
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
Unpack the file with gunzip(1).
Verify the cksum or the md5 sum:
cksum:
2052507672 401408 sendmail.886.10.01
3975773765 806912 sendmail.893.10.20
2575934578 970752 sendmail.811.11.00
905487102 827392 sendmail.893.11.00
3003791603 1015808 sendmail.811.11.11
3842273936 860160 sendmail.893.11.11
3819176330 2281732 sendmail.811.11.22
Note: If you wish to verify the md5 sum and you do not
have a copy of md5, please refer to:
HPSBUX9408-016
Patch sums and the MD5 program
Note: Using your itrc account security bulletins can be
found here:
http://itrc.hp.com/cki/bin/doc.pl/screen=ckiSecurityBulletin
MD5 (sendmail.886.10.01) = 2af7445285f285a7865fb9c202b500fe
MD5 (sendmail.893.10.20) = fbc327a2be485b63a8d884f9a727648f
MD5 (sendmail.811.11.00) = aff4e97d8a07cdf23b68359b1e72494e
MD5 (sendmail.893.11.00) = a7f5c7d9004b04d95b895b8b5f703ac5
MD5 (sendmail.811.11.11) = 4bbf09bf6ce4e9f814eecbcc632c7816
MD5 (sendmail.893.11.11) = 54d63cf32720b66bee44e79b634c9741
MD5 (sendmail.811.11.22) = 9871b8fd59f9aa39e66da2185681710e
Copy the file to a protected directory such as /usr/sbin.
Login as root and run killsm:
killsm
Verify the sendmail daemon is not running:
ps -ef | grep sendmail
Make a backup copy of the existing sendmail:
cd /usr/sbin
cp sendmail sendmail.original
Note the permissions for reference:
ls -lia /usr/sbin/sendmail
Install the new sendmail:
cp sendmail.xxx.yy.zz sendmail
For example, on 11.22:
cp sendmail.811.11.22 sendmail
Restart sendmail:
/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:
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.
NOTE: Using your itrc account security bulletins can be
found here:
http://itrc.hp.com/cki/bin/doc.pl/screen=ckiSecurityBulletin
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-alertat_private
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-alertat_private
------------------------------------------------------------------
(c)Copyright 2003 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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-----End of Document ID: HPSBUX0302-246--------------------------------------
Document ID: HPSBUX0209-215
Date Loaded: 20030226
Title: SSRT2336 Security Vulnerability in XDR library (rev.4)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
-----------------------------------------------------------------
**REVISED 04**
Source: HEWLETT-PACKARD COMPANY
SECURITY BULLETIN: HPSBUX0209-215
Originally issued: 09 September 2002
Last revised: 04 March 2003
SSRT2336 Security Vulnerability in XDR library
-----------------------------------------------------------------
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: Potential buffer overflow in XDR library.
IMPACT: Potential unauthorized access, denial of service.
PLATFORM: HP 9000 Series 700 and 800 10.20, 10.24, 11.00,
11.04, 11.11, and 11.22
**REVISED 04**
SOLUTION: Until patches are available manually install the
appropriate fixed libraries.
Install PHCO_27882 for 10.24.
-->> Install PHNE_28102 for 11.00.
-->> Install PHNE_28103 for 11.11.
MANUAL ACTIONS: Yes - NonUpdate
Install the appropriate fixed libraries.
Install PHCO_27882 for 10.24.
-->> Install PHNE_28102 for 11.00.
-->> Install PHNE_28103 for 11.11.
Relink any archived programs that call
xdr_array().
AVAILABILITY: This bulletin will be updated when patches are
available.
CHANGE SUMMARY: Rev.01 - corrected "strings" to "strings -a"
Rev.02 - added 10.24 and 11.04, also added libc.1
for 11.00, 11.11, and 11.22.
Rev.03 - corrected scripts
Rev.04 - patches are available for 11.00 and 11.11.
------------------------------------------------------------------
A. Background
CERT Advisory CA-2002-25 reports an integer overflow in
certain implementations of XDR libraries. Libraries supplied
with HP-UX 10.20, 10.24, 11,00, 11.04, 11.11, and 11.22 are
potentially vulnerable.
In addition, cross-reference:
HP Tru64 UNIX: Case id: SSRT2309 rpc XDR_ARRAY
A solution is available as noted in the recent
security bulletin SSSRT2275 at
http://thenew.hp.com/country/us/eng/support.html
Use the SEARCH IN feature box, enter SSRT2275 in the
search window.
B. Recommended solution
Until patches are released, download and manually install
the appropriate libraries.
Note: It will be necessary to relink any programs that
call xdr_array() and are linked with archived libraries.
There are no known programs supplied by HP which need to
be relinked. To test an archived program:
strings -a suspect_program | grep xdr_array:
If the command above returns "xdr_array: out of memory"
the suspect_program will need to the relinked with a
fixed library.
Download the appropriate files from:
System: hprc.external.hp.com (192.170.19.51)
Login: xdr
Password: xdr1
FTP Access: xdr1at_private/">ftp://xdr:xdr1at_private/
or: ftp://xdr:xdr1at_private/
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:
PHCO_26152.depot.gz
libc.1.gz
libc.1.PHCO_27882.gz
libnsl.1.32_11.00.gz
libnsl.a.32_11.00.gz
libnsl.1.64_11.00.gz
libnsl.a.64_11.00.gz
libnsl.so.1.32_11.22.IA.gz
libnsl.so.1.64_11.22.IA.gz
The cksum output:
2238979170 9676800 PHCO_26152.depot
3415580416 1867776 libc.1
1011129778 1814528 libc.1.PHCO_27882
3064646304 679936 libnsl.1.32_11.00
498505157 817544 libnsl.a.32_11.00
2630827583 648296 libnsl.1.64_11.00
2205456871 1454504 libnsl.a.64_11.00
2227616066 1490048 libnsl.so.1.32_11.22.IA
3162410426 1564768 libnsl.so.1.64_11.22.IA
Note: The patches which supply the libc and libnsl
libraries require that the system be rebooted.
It would be best to carry out the manual
installation below in init state 2 followed
by a reboot. Otherwise programs which were
running when the libraries were changed would
continue to use the old version of the libraries.
Copy the appropriate files to a secure directory,
for example /. Then,
For 10.20
====================================
Install PHCO_26152.depot:
swinstall -x autoreboot=true -x match_target=true \
-s /PHCO_26152.depot
Any applications that use the RPC/XDR APIs in libc.a
must be relinked and restarted.
For 10.24
====================================
Install PHCO_27882. This patch is available from
the itrc.
**REVISED 04**
For 11.00
====================================
-->> Install PHCO_28102. This patch is available from
-->> the itrc.
**REVISED 04**
For 11.11
====================================
-->> Install PHCO_28103. This patch is available from
-->> the itrc.
**REVISED 03**
For 11.04
====================================
#cd /usr/lib
#cp /libnsl.1.32_11.00 libnsl.1.new
#cp /libnsl.a.32_11.00 libnsl.a.new
#cp /libc.1.PHCO_27882 libc.1.new
#chmod 555 libnsl.1.new
#chmod 444 libnsl.a.new
#chmod 555 libc.1.new
#chown bin:bin libnsl.1.new
#chown bin:bin libnsl.a.new
#chown bin:bin libc.1.new
#mv libnsl.1 libnsl.1.orig
#mv libnsl.a libnsl.a.orig
#mv libc.1 libc.1.orig
#mv libnsl.1.new libnsl.1
#mv libnsl.a.new libnsl.a
#mv libc.1.new libc.1
#cd /usr/lib/pa20_64
#cp /libnsl.1.64_11.00 libnsl.1.new
#cp /libnsl.a.64_11.00 libnsl.a.new
#chmod 555 libnsl.1.new
#chmod 444 libnsl.a.new
#chown bin:bin libnsl.1.new
#chown bin:bin libnsl.a.new
#mv libnsl.1 libnsl.1.orig
#mv libnsl.a libnsl.a.orig
#mv libnsl.1.new libnsl.1
#mv libnsl.a.new libnsl.a
After this, any applications that use libnsl.1 must be
restarted. Any applications that use libnsl.a must
be relinked and restarted.
Any applications that use libc.1 must be restarted.
Rebooting is the recommended way to restart the applications
using libnsl.1 or libc.1.
**REVISED 03**
For 11.22 IA
====================================
#cd /usr/lib/hpux32
#cp /libnsl.so.1.32_11.22.IA libnsl.so.1.new
#chmod 555 libnsl.so.1.new
#chown bin:bin libnsl.so.1.new
#mv libnsl.so.1 libnsl.so.1.orig
#mv libnsl.so.1.new libnsl.so.1
#cd /usr/lib
#cp /libc.1 libc.1.new
#chmod 555 libc.1.new
#chown bin:bin libc.1.new
#mv libc.1 libc.1.orig
#mv libc.1.new libc.1
#cd /usr/lib/hpux64
#cp /libnsl.so.1.64_11.22.IA libnsl.so.1.new
#chmod 555 libnsl.so.1.new
#chown bin:bin libnsl.so.1.new
#mv libnsl.so.1 libnsl.so.1.orig
#mv libnsl.so.1.new libnsl.so.1
After this, any applications that use libnsl.so.1 must be
restarted.
Rebooting is the recommended way to restart the applications
using libnsl.1 or libc.1.
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-alertat_private
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-alertat_private
------------------------------------------------------------------
(c)Copyright 2003 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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-----End of Document ID: HPSBUX0209-215--------------------------------------
This archive was generated by hypermail 2b30 : Tue Mar 04 2003 - 08:34:55 PST