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From: IT Resource Center (support_feedback_at_us-support-mail.external.hp.com)
Date: Wed Sep 18 2002 - 07:06:35 CDT
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Digest Name: daily HP-UX security bulletins digest
Created: Wed Sep 18 3:00:02 PDT 2002
Table of Contents:
Document ID Title
--------------- -----------
HPSBUX0207-199 Sec. Vulnerability in rpc.ttdbserver (rev.3)
HPSBUX0209-218 Security Vulnerability in DNS for HP Peripherals
The documents are listed below.
-------------------------------------------------------------------------------
Document ID: HPSBUX0207-199
Date Loaded: 20020711
Title: Sec. Vulnerability in rpc.ttdbserver (rev.3)
TEXT
-----------------------------------------------------------------
**REVISED 03**
HEWLETT-PACKARD COMPANY SECURITY BULLETIN: HPSBUX0207-199
Originally issued: 12 July 2002
Last revision: 18 September 2002
SSRT2274 Sec. Vulnerability in rpc.ttdbserver
-----------------------------------------------------------------
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: Buffer overflow in rpc.ttdbserver
PLATFORM: HP9000 Series 700/800 running HP-UX releases 10.10,
10.20, 10.24, 11.00, 11.04, and 11.11.
DAMAGE: Potential unauthorized access, increased privileges.
**REVISED 03**
SOLUTION: For 10.10, 10.24, 11.04, and 11.11
-->> until patches are available, manually install a
-->> replacement rpc.ttdbserver.
-->> For 10.20 install PHSS_27426.
-->> For 11.00 install PHSS_27427.
MANUAL ACTIONS: Yes - NonUpdate
-->> For 10.10, 10.24, 11.04, and 11.11
-->> install replacement rpc.ttdbserver.
-->> For 10.20 and 11.00, install applicable patch.
-->> No manual actions.
AVAILABILITY: The replacement rpc.ttdbserver files are
-->> available now. The 10.20 and 11.00
-->> pataches are available now.
CHANGE SUMMARY: Rev.01 Added VVOS information.
Rev.02 Added CA-2002-26 information.
Rev.03 Patches available for 10.20 and 11.00.
------------------------------------------------------------------
A. Background
Buffer overflows in rpc.ttdbserver has been reported by CERT
in CA-2002-20 and CA-2002-26. The potential exists to exploit
these overflows to gain unauthorized access.
B. Recommended solution
Until patches are available, install the appropriate file to
replace rpc.ttdbserver.
**REVISED 03**
-->>For 10.20 install PHSS_27426.
-->>For 11.00 install PHSS_27427.
Note: The 10.20 file should be used for 10.24.
The 11.00 file should be used for 11.04.
On 10.24 and 11.04 (VVOS) rpc.ttdbserver is disabled
by default.
1. Download rpc.ttdbserver.2.tar.gz from the ftp site.
This file is temporary and will be deleted when patches
are available from the standard HP web sites, including
itrc.hp.com.
System: hprc.external.hp.com (192.170.19.51)
Login: ttdb1
Password: ttdb1
FTP Access: hprc.external.hp.com/">ftp://ttdb1:ttdb1
hprc.external.hp.com/
or: 192.170.19.51/">ftp://ttdb1:ttdb1192.170.19.51/
file: rpc.ttdbserver.2.tar.gz
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
2. Copy the rpc.ttdbserver.2.tar.gz file to a protected
directory and unpack it.
If you wish to verify the md5 sum before unpacking the
rpc.ttdbserver.tar.gz file, please refer to:
HPSBUX9408-016
Patch sums and the MD5 program
The md5 sum for rpc.ttdbserver.2.tar.gz is:
MD5 (rpc.ttdbserver.2.tar.gz) =
e6af458213a9834146f716c9df7f1aaf
3. Install the new rpc.ttdbserver file using the
install_rpc.ttdbserver script or some similar procedure.
The install_rpc.ttdbserver script is included in
rpc.ttdbserver.2.tar.gz.
For example on a 10.20 system:
./install_rpc.ttdbserver rpc.ttdbserver.1020
4. The what(1) and cksum(1) outputs are:
###################################################
$ what rpc.ttdbserver.1010
rpc.ttdbserver.1010:
X Window System, Version 11 R5+ HP-UX B.10.10.020810 -O
(build date: Sat Aug 10 13:35:19 IST 2002)
rpc.ttdbserver: $Revision: 1.1 $
$ cksum rpc.ttdbserver.1010
2536143200 323584 rpc.ttdbserver.1010
###################################################
$ what rpc.ttdbserver.1020
rpc.ttdbserver.1020:
X Window System, Version 11 R6+ HP-UX B.10.20.020810 +O2
(build date: Sat Aug 10 12:56:54 IST 2002)
rpc.ttdbserver: $Revision: 1.1 $
$ cksum rpc.ttdbserver.1020
1981972883 323584 rpc.ttdbserver.1020
###################################################
$ what rpc.ttdbserver.1100
rpc.ttdbserver.1100:
View: /view/venu_main, Build Type: r6hp700_1100
hpcde2.1
(build date: Fri Aug 9 10:49:13 IST 2002)
[rest deleted]
$ cksum rpc.ttdbserver.1100
3680305777 327680 rpc.ttdbserver.1100
###################################################
$ what rpc.ttdbserver.1111
rpc.ttdbserver.1111:
View: /view/venu_main, Build Type: r6hp700_1111
hpcde2.1
(build date: Fri Aug 9 11:37:48 IST 2002)
[rest deleted]
$ cksum rpc.ttdbserver.1111
595997811 352256 rpc.ttdbserver.1111
###################################################
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-alerthp.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.
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.
________________________________________________________________
-----End of Document ID: HPSBUX0207-199--------------------------------------
Document ID: HPSBUX0209-218
Date Loaded: 20020917
Title: Security Vulnerability in DNS for HP Peripherals
TEXT
-----------------------------------------------------------------
HEWLETT-PACKARD COMPANY SECURITY BULLETIN: HPSBUX0209-218
Originally issued: 18 Sep 2002
SSRT2345 Security Vulnerability in DNS Resolvers
for HP Peripherals
-----------------------------------------------------------------
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: Multiple potential vulnerabilities in DNS Resolver
Libraries
PLATFORM: HP Jetdirect Print Servers, HP LaserJet Printers
IMPACT: Potential denial of service, potential unauthorized access
------------------------------------------------------------------
SOLUTION: Until a firmware update is available, eliminate the DNS
server's IP address or use specific IP addresses rather
than DNS names.
MANUAL ACTIONS: Yes - NonUpgrade
Change the DNS configuration as documented below.
AVAILABILITY: This bulletin will be revised when a firmware update
is available.
------------------------------------------------------------------
A. Background
CERT (Computer Emergency Response Team) has recently posted
an alert regarding DNS Resolver vulnerabilities in many network
devices that implement a DNS Resolver.
http://www.cert.org/advisories/CA-2002-19.html
The following HP Jetdirect devices are vulnerable:
--------------------------------------------------
Upgradable Print Servers
615n J6057A EIO 10/100 Print Server
610n J4169A EIO 10/100 Print Server
610n J4167A EIO 802.5 Print Server
680n J6058A EIO 802.11b Print Server
380x J6061A External 802.11b Print Server
310x J6038A External 10/100 Print Server
250m J6042A LIO 10/100 Print Server
Non-Upgradable Print Servers
175x J6035A External 10/100 Print Server
200m J6039A LIO 10/100 Print Server
The following HP Peripherals are vulnerable:
--------------------------------------------
HP Color LaserJet 4550
HP Color LaserJet 4600
HP LaserJet 4100, 4100MFP
HP LaserJet 9000, 9000MFP
HP Digital Sender 9100C
B. Recommended solution
For HP Jetdirect Print Servers (Upgradable)
1) Using a browser, access the Jetdirect's web server.
2) Click the "Networking" tab, then click "Other Settings".
3) If a DNS Server has been specified, clear out the
IP address and then click "Apply".
4) This bulletin will be updated when a firmware update
is available.
For HP Jetdirect Print servers (Not Upgradable)
1) If connected to a scanner, a scan-to-email function is
available. The email address of the SMTP server should
be entered as an IP address rather than a DNS name.
a) To modify the email address of the SMTP server access
Jetdirect's web server.
b) Click the "Networking" tab, then click "Other Settings".
c) The Email Server can be specified as an IP Address.
Then click "Apply".
2) If scan-to-email is not being used, the DNS resolver
is not being used. However, the steps above can be
implemented in anticipation of adding a scanner.
HP Peripherals
NOTE: The HP Peripherals listed implement a separate resolver
from Jetdirect.
These peripherals are not upgradable. Please utilize IP
addresses rather than DNS names for any email notifications
or other functionality that would require a DNS resolver.
To learn more about securing Jetdirect Print Servers on
the network please refer to this document:
http://www.hp.com/cposupport/networking/support_doc/
bpj05999.html#P26_2431
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-alerthp.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.
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.
________________________________________________________________
-----End of Document ID: HPSBUX0209-218--------------------------------------
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