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UNIRAS Brief - 270/06 - Three Hewlett Packard Security Bulletins:



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- ----------------------------------------------------------------------------------
   UNIRAS (UK Govt CERT) Briefing Notice - 270/06 dated 07.04.06  Time: 14:10  
  UNIRAS is part of NISCC (National Infrastructure Security Co-ordination Centre)
- ---------------------------------------------------------------------------------- 
  UNIRAS material is also available from its website at www.uniras.gov.uk and
         Information about NISCC is available from www.niscc.gov.uk
- ----------------------------------------------------------------------------------

Title
=====

Three Hewlett Packard Security Bulletins:

1. HPSBUX02108 SSRT061133 rev.3 - HP-UX running Sendmail, Remote Execution of Arbitrary Code

2. HPSBUX02110 SSRT061110 rev.1 - HP-UX Running wu-ftpd Remote Denial of Service (DoS)

3. HPSBUX02111 SSRT061132 rev.1 - HP-UX su(1) Local Unauthorized Access

Detail
====== 

1. A vulnerability has been identified in Sendmail which may allow a
remote attacker to execute arbitrary code.

2. A potential vulnerability has been identified with HP-UX running
wu-ftpd where the vulnerability could be exploited by an
authorized remote user to create a Denial of Service (DoS).

3. A potential security vulnerability has been identified with su(1)
when used with the LDAP netgroup feature. The potential
vulnerability could be exploited by a local authorized user to
gain unauthorized access.




1.


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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c00629555
Version: 3

HPSBUX02108 SSRT061133 rev.3 - HP-UX running Sendmail, Remote
Execution of Arbitrary Code

NOTICE: The information in this Security Bulletin should be acted
upon as soon as possible.

Release Date: 2006-04-04
Last Updated: 2006-04-05

Potential Security Impact: Remote Execution of Arbitrary Code

Source: Hewlett-Packard Company,
        HP Software Security Response Team

VULNERABILITY SUMMARY
A vulnerability has been identified in Sendmail which may allow a
remote attacker to execute arbitrary code.

References: CVE-2006-0058

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.11, B.11.23.

BACKGROUND

CERT has published a vulnerability report available at:
http://www.kb.cert.org/vuls/id/834865

This bulletin will be revised as other versions of Sendmail become
available.

To determine if an HP-UX system has an affected version,
search the output of "swlist -a revision -l fileset"
for one of the filesets listed below. For affected systems
verify that the recommended action has been taken.

AFFECTED VERSIONS

For sendmail 8.13.3
HP-UX B.11.11
==========
SMAIL-UPGRADE.INETSVCS-SMAIL, revision=B.11.11.02.001
action: install update to Rev. 2.002 or subsequent

HP-UX B.11.23
==========
SMAIL-UPGRADE.INET-SMAIL, revision=B.11.23.1.001
action: install update to Rev. 2.002 or subsequent

 ->InternetSrvcs.INETSVCS2-RUN,fr=B.11.23,fa=HP-UX_B.11.23_IA,v=HP
 ->InternetSrvcs.INETSVCS2-RUN,fr=B.11.23,fa=HP-UX_B.11.23_PA,v=HP
 ->action: install UNOF_INET31734_1.depot or subsequent

END AFFECTED VERSIONS

RESOLUTION

HP has made the following software updates available to resolve
the issue. The software updates can be downloaded via ftp from:

System: hprc.external.hp.com (192.170.19.100)
Login: sendmail
Password: sendmail (NOTE: CASE-sensitive)

ftp://sendmail:sendmail@xxxxxxxxxxxxxxxxxxxx /
or
ftp://sendmail:sendmail@xxxxxxxxxxxxxx/

The README.txt contains cksum and md5 output for the preliminary
depots.

cksum ./sendmail-8.13_1123.depot
 ->692720776 15759360 sendmail-8.13_1123.depot
md5 ./sendmail-8.13_1123.depot
 ->E09933A4AECC16B97A8F7ACF07060F84
cksum sendmail-8.13_1111.depot
954959898 5130240 sendmail-8.13_1111.depot
md5 ./sendmail-8.13_1111.depot
C85EFD8AEDB16EEF1DF0FF65988350C0

 ->#cksum *
 ->3327957574 3317760 UNOF_INET31734_1.depot
 ->2096860596 7487 UNOF_INET31734_1.text
 ->#md5 UNOF_INET31734_1.depot B17A7F5566214B35E983B3F53C309A17
 ->#md5 UNOF_INET31734_1.text 565F7963B77BEE3EB2825990F60D1F6D

After installation, the output of "sendmail -bs" will include the
following information.
sendmail -bs versioning:
@(#)Sendmail version 8.13.3 - Revision 2.002 - 2006/03/25


MANUAL ACTIONS: Yes - Update
HP-UX B.11.11 - install preliminary software updates
from ftp server
HP-UX B.11.23 - install preliminary software updates
from ftp server


PRODUCT SPECIFIC INFORMATION

HP-UX Security Patch Check: Security Patch Check revision B.02.00
analyzes all HP-issued Security Bulletins to provide a subset of
recommended actions that potentially affect a specific HP-UX
system. For more information:
http://software.hp.com/portal/swdepot/displayProductInfo.do?
productNumber=B6834AA

HISTORY:

Version: 1 (rev.1) 25 March 2006 Initial release
Version: 2 (rev.2) 30 March 2006 updated md5 / cksum output
Version: 3 (rev.3) 04 April 2006 updated B.11.23 depot,
added 8.11.1 for B.11.23 depot


Support: For further information, contact normal HP Services
support channel.

Report: To report a potential security vulnerability with any HP
supported product, send Email to: security-alert@xxxxxxx  It is
strongly recommended that security related information being
communicated to HP be encrypted using PGP, especially exploit
information.  To get the security-alert PGP key, please send an
e-mail message as follows:
  To: security-alert@xxxxxx
  Subject: get key

Subscribe: To initiate a subscription to receive future HP
Security Bulletins via Email:
http://h30046.www3.hp.com/driverAlertProfile.php?regioncode=NA&;
langcode=USENG&jumpid=in_SC-GEN__driverITRC&topiccode=ITRC

On the web page: ITRC security bulletins and patch sign-up
Under Step1: your ITRC security bulletins and patches
  - check ALL categories for which alerts are required and
    continue.
Under Step2: your ITRC operating systems
  - verify your operating system selections are checked and
    save.

To update an existing subscription:
http://h30046.www3.hp.com/subSignIn.php
Log in on the web page:
  Subscriber's choice for Business: sign-in.
On the web page:
  Subscriber's Choice: your profile summary
    - use Edit Profile to update appropriate sections.

To review previously published Security Bulletins visit:
http://www.itrc.hp.com/service/cki/secBullArchive.do

* The Software Product Category that this Security Bulletin
relates to is represented by the 5th and 6th characters of the
Bulletin number in the title:

    GN = HP General SW,
    MA = HP Management Agents,
    MI = Misc. 3rd party SW,
    MP = HP MPE/iX,
    NS = HP NonStop Servers,
    OV = HP OpenVMS,
    PI = HP Printing & Imaging,
    ST = HP Storage SW,
    TL = HP Trusted Linux,
    TU = HP Tru64 UNIX,
    UX = HP-UX,
    VV = HP Virtual Vault


System management and security procedures must be reviewed
frequently to maintain system integrity. HP is continually
reviewing and enhancing the security features of software products
to provide customers with current secure solutions.

"HP is broadly distributing this Security Bulletin in order to
bring to the attention of users of the affected HP products the
important security information contained in this Bulletin. HP
recommends that all users determine the applicability of this
information to their individual situations and take appropriate
action. HP does not warrant that this information is necessarily
accurate or complete for all user situations and, consequently, HP
will not be responsible for any damages resulting from user's use
or disregard of the information provided in this Bulletin. To the
extent permitted by law, HP disclaims all warranties, either
express or implied, including the warranties of merchantability
and fitness for a particular purpose, title and non-infringement."


(c)Copyright 2006 Hewlett-Packard Development Company, L.P.
Hewlett-Packard Company shall not be liable for technical or
editorial errors or omissions contained herein. The information
provided is provided "as is" without warranty of any kind. To the
extent permitted by law, neither HP nor its affiliates,
subcontractors or suppliers will be liable for incidental, special
or consequential damages including downtime cost; lost profits;
damages relating to the procurement of substitute products or
services; or damages for loss of data, or software restoration.
The information in this document is subject to change without
notice. Hewlett-Packard Company and the names of Hewlett-Packard
products referenced herein are trademarks of Hewlett-Packard
Company in the United States and other countries. Other product
and company names mentioned herein may be trademarks of their
respective owners.

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2.


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Hash: SHA1

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c00637342
Version: 1

HPSBUX02110 SSRT061110 rev.1 - HP-UX Running wu-ftpd Remote Denial
of Service (DoS)

NOTICE: The information in this Security Bulletin should be acted
upon as soon as possible.

Release Date: 2006-04-05
Last Updated: 2006-04-05

Potential Security Impact: Remote Denial of Service (DoS)

Source: Hewlett-Packard Company,
        HP Software Security Response Team

VULNERABILITY SUMMARY
A potential vulnerability has been identified with HP-UX running
wu-ftpd where the vulnerability could be exploited by an
authorized remote user to create a Denial of Service (DoS).

References: CVE-2005-0256

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.00, B.11.11, and B.11.23 running wu-ftpd

BACKGROUND

To determine if an HP-UX system has an affected version,
search the output of "swlist -a revision -l fileset"
for one of the filesets listed below. For affected systems
verify that the recommended action has been taken.

AFFECTED VERSIONS

HP-UX B.11.23
=============
InternetSrvcs.INETSVCS2-RUN
action: install PHNE_34306 or subsequent

HP-UX B.11.11
=============
WUFTP-26.INETSVCS-FTP
action: install revision B.11.11.01.008 or subsequent.

InternetSrvcs.INETSVCS-RUN
action: install PHNE_34544 or subsequent.

HP-UX B.11.00
=============
WUFTP-26.INETSVCS-FTP
action: install revision B.11.00.01.006 or subsequent.

InternetSrvcs.INETSVCS-RUN
action: install PHNE_34543 or subsequent.

END AFFECTED VERSIONS

RESOLUTION

HP has made the following patches available to resolve the issue.
The patches can be downloaded from http://itrc.hp.com

B.11.23 PHNE_34306
B.11.11 PHNE_34544
B.11.00 PHNE_34543


HP has made the following software updates available to resolve
the issue.  The software updates can be downloaded from
http://www.hp.com/go/softwaredepot

B.11.11 revision B.11.11.01.008 or subsequent.
B.11.00 revision B.11.00.01.006 or subsequent.


MANUAL ACTIONS: Yes - Update
B.11.23 - No manual actions.
B.11.00, B.11.11 - Install software updates.


PRODUCT SPECIFIC INFORMATION

HP-UX Security Patch Check: Security Patch Check revision B.02.00
analyzes all HP-issued Security Bulletins to provide a subset of
recommended actions that potentially affect a specific HP-UX
system. For more information:
http://software.hp.com/portal/swdepot/displayProductInfo.do?
productNumber=B6834AA

HISTORY
Version:1 (rev.1) 05 April 2006 Initial release

Support: For further information, contact normal HP Services
support channel.

Report: To report a potential security vulnerability with any HP
supported product, send Email to: security-alert@xxxxxxx  It is
strongly recommended that security related information being
communicated to HP be encrypted using PGP, especially exploit
information.  To get the security-alert PGP key, please send an
e-mail message as follows:
  To: security-alert@xxxxxx
  Subject: get key

Subscribe: To initiate a subscription to receive future HP
Security Bulletins via Email:
http://h30046.www3.hp.com/driverAlertProfile.php?regioncode=NA&;
langcode=USENG&jumpid=in_SC-GEN__driverITRC&topiccode=ITRC

On the web page: ITRC security bulletins and patch sign-up
Under Step1: your ITRC security bulletins and patches
  - check ALL categories for which alerts are required and
    continue.
Under Step2: your ITRC operating systems
  - verify your operating system selections are checked and
    save.

To update an existing subscription:
http://h30046.www3.hp.com/subSignIn.php
Log in on the web page:
  Subscriber's choice for Business: sign-in.
On the web page:
  Subscriber's Choice: your profile summary
    - use Edit Profile to update appropriate sections.

To review previously published Security Bulletins visit:
http://www.itrc.hp.com/service/cki/secBullArchive.do

* The Software Product Category that this Security Bulletin
relates to is represented by the 5th and 6th characters of the
Bulletin number in the title:

    GN = HP General SW,
    MA = HP Management Agents,
    MI = Misc. 3rd party SW,
    MP = HP MPE/iX,
    NS = HP NonStop Servers,
    OV = HP OpenVMS,
    PI = HP Printing & Imaging,
    ST = HP Storage SW,
    TL = HP Trusted Linux,
    TU = HP Tru64 UNIX,
    UX = HP-UX,
    VV = HP Virtual Vault


System management and security procedures must be reviewed
frequently to maintain system integrity. HP is continually
reviewing and enhancing the security features of software products
to provide customers with current secure solutions.

"HP is broadly distributing this Security Bulletin in order to
bring to the attention of users of the affected HP products the
important security information contained in this Bulletin. HP
recommends that all users determine the applicability of this
information to their individual situations and take appropriate
action. HP does not warrant that this information is necessarily
accurate or complete for all user situations and, consequently, HP
will not be responsible for any damages resulting from user's use
or disregard of the information provided in this Bulletin. To the
extent permitted by law, HP disclaims all warranties, either
express or implied, including the warranties of merchantability
and fitness for a particular purpose, title and non-infringement."


(c)Copyright 2006 Hewlett-Packard Development Company, L.P.
Hewlett-Packard Company shall not be liable for technical or
editorial errors or omissions contained herein. The information
provided is provided "as is" without warranty of any kind. To the
extent permitted by law, neither HP nor its affiliates,
subcontractors or suppliers will be liable for incidental, special
or consequential damages including downtime cost; lost profits;
damages relating to the procurement of substitute products or
services; or damages for loss of data, or software restoration.
The information in this document is subject to change without
notice. Hewlett-Packard Company and the names of Hewlett-Packard
products referenced herein are trademarks of Hewlett-Packard
Company in the United States and other countries. Other product
and company names mentioned herein may be trademarks of their
respective owners.


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3.


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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c00637553
Version: 1

HPSBUX02111 SSRT061132 rev.1 - HP-UX su(1) Local Unauthorized
Access

NOTICE: The information in this Security Bulletin should be acted
upon as soon as possible.

Release Date: 2006-04-04
Last Updated: 2006-04-05

Potential Security Impact: Local unauthorized access

Source: Hewlett-Packard Company,
        HP Software Security Response Team

VULNERABILITY SUMMARY
A potential security vulnerability has been identified with su(1)
when used with the LDAP netgroup feature. The potential
vulnerability could be exploited by a local authorized user to
gain unauthorized access.

References: none

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.11

BACKGROUND

To determine if an HP-UX system has an affected version,
search the output of "swlist -a revision -l fileset"
for one of the filesets listed below. For affected systems
verify that the recommended action has been taken.

AFFECTED VERSIONS

HP-UX B.11.11
==========
OS-Core.UX-CORE
action: install PHCO_34545 or subsequent

END AFFECTED VERSIONS

RESOLUTION

HP has made the following patch available to resolve the issue.
The patch can be downloaded from http://itrc.hp.com

B.11.11 - PHCO_34545 or subsequent


PRODUCT SPECIFIC INFORMATION

HP-UX Security Patch Check: Security Patch Check revision B.02.00
analyzes all HP-issued Security Bulletins to provide a subset of
recommended actions that potentially affect a specific HP-UX
system. For more information:
http://software.hp.com/portal/swdepot/displayProductInfo.do?
productNumber=B6834AA

MANUAL ACTIONS: No

HISTORY:
Version: 1 (rev.1) 04 April 2006 Initial release


Support: For further information, contact normal HP Services
support channel.

Report: To report a potential security vulnerability with any HP
supported product, send Email to: security-alert@xxxxxxx  It is
strongly recommended that security related information being
communicated to HP be encrypted using PGP, especially exploit
information.  To get the security-alert PGP key, please send an
e-mail message as follows:
  To: security-alert@xxxxxx
  Subject: get key

Subscribe: To initiate a subscription to receive future HP
Security Bulletins via Email:
http://h30046.www3.hp.com/driverAlertProfile.php?regioncode=NA&;
langcode=USENG&jumpid=in_SC-GEN__driverITRC&topiccode=ITRC

On the web page: ITRC security bulletins and patch sign-up
Under Step1: your ITRC security bulletins and patches
  - check ALL categories for which alerts are required and
    continue.
Under Step2: your ITRC operating systems
  - verify your operating system selections are checked and
    save.

To update an existing subscription:
http://h30046.www3.hp.com/subSignIn.php
Log in on the web page:
  Subscriber's choice for Business: sign-in.
On the web page:
  Subscriber's Choice: your profile summary
    - use Edit Profile to update appropriate sections.

To review previously published Security Bulletins visit:
http://www.itrc.hp.com/service/cki/secBullArchive.do

* The Software Product Category that this Security Bulletin
relates to is represented by the 5th and 6th characters of the
Bulletin number in the title:

    GN = HP General SW,
    MA = HP Management Agents,
    MI = Misc. 3rd party SW,
    MP = HP MPE/iX,
    NS = HP NonStop Servers,
    OV = HP OpenVMS,
    PI = HP Printing & Imaging,
    ST = HP Storage SW,
    TL = HP Trusted Linux,
    TU = HP Tru64 UNIX,
    UX = HP-UX,
    VV = HP Virtual Vault


System management and security procedures must be reviewed
frequently to maintain system integrity. HP is continually
reviewing and enhancing the security features of software products
to provide customers with current secure solutions.

"HP is broadly distributing this Security Bulletin in order to
bring to the attention of users of the affected HP products the
important security information contained in this Bulletin. HP
recommends that all users determine the applicability of this
information to their individual situations and take appropriate
action. HP does not warrant that this information is necessarily
accurate or complete for all user situations and, consequently, HP
will not be responsible for any damages resulting from user's use
or disregard of the information provided in this Bulletin. To the
extent permitted by law, HP disclaims all warranties, either
express or implied, including the warranties of merchantability
and fitness for a particular purpose, title and non-infringement."


(c)Copyright 2006 Hewlett-Packard Development Company, L.P.
Hewlett-Packard Company shall not be liable for technical or
editorial errors or omissions contained herein. The information
provided is provided "as is" without warranty of any kind. To the
extent permitted by law, neither HP nor its affiliates,
subcontractors or suppliers will be liable for incidental, special
or consequential damages including downtime cost; lost profits;
damages relating to the procurement of substitute products or
services; or damages for loss of data, or software restoration.
The information in this document is subject to change without
notice. Hewlett-Packard Company and the names of Hewlett-Packard
products referenced herein are trademarks of Hewlett-Packard
Company in the United States and other countries. Other product
and company names mentioned herein may be trademarks of their
respective owners.

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For additional information or assistance, please contact the HELP Desk by 
telephone or Not Protectively Marked information may be sent via 
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Tel: +44 (0) 870 487 0748 Ext 4511
Fax: +44 (0) 870 487 0749

Outside of Office Hours:
On Call Duty Officer:
Tel: +44 (0) 870 487 0748 and follow the prompts

- ----------------------------------------------------------------------------------
UNIRAS wishes to acknowledge the contributions of Hewlett Packard for the information 
contained in this Briefing. 
- ----------------------------------------------------------------------------------
This Briefing contains the information released by the original author. Some 
of the information may have changed since it was released. If the vulnerability 
affects you, it may be prudent to retrieve the advisory from the site of the
original source to ensure that you receive the most current information concerning 
that problem.

Reference to any specific commercial product, process, or service by trade 
name, trademark manufacturer, or otherwise, does not constitute or imply 
its endorsement, recommendation, or favouring by UNIRAS or NISCC.  The views 
and opinions of authors expressed within this notice shall not be used for 
advertising or product endorsement purposes.

Neither UNIRAS or NISCC shall also accept responsibility for any errors 
or omissions contained within this briefing notice. In particular, they shall 
not be liable for any loss or damage whatsoever, arising from or in connection 
with the usage of information contained within this notice.

UNIRAS is a member of the Forum of Incident Response and Security Teams (FIRST) 
and has contacts with other international Incident Response Teams (IRTs) in 
order to foster cooperation and coordination in incident prevention, to prompt 
rapid reaction to incidents, and to promote information sharing amongst its 
members and the community at large. 
- ----------------------------------------------------------------------------------
<End of UNIRAS Briefing>

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