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SSRT3631 - Tru64 UNIX sendmail Potential Security Vulnerability

From: Webb, Nigel (SSRT) (nigelwebbhp.com)
Date: Fri Oct 03 2003 - 12:57:48 CDT


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SECURITY BULLETIN

REVISION: 0

SSRT3631 - Tru64 UNIX sendmail Potential Security
Vulnerability

- ----------------------------------------------------------
NOTICE: There are no restrictions for distribution of this
Bulletin provided that it remains complete and intact.

RELEASE DATE: 03 October 2003

SEVERITY: 1

SOURCE: Compaq Computer Corporation, a wholly-owned
subsidiary of Hewlett-Packard Company and Hewlett-Packard
Company HP Services
Software Security Response Team

REFERENCE: CA-2003-25, SSRT3612, SSRT3531

PROBLEM SUMMARY
A potential security vulnerability has been identified in
sendmail where a buffer overflow could result in a local or
remote user gaining unauthorized privileged access.

VERSIONS IMPACTED

All currently supported versions of HP Tru64 UNIX running
sendmail including

HP Tru64 UNIX 5.1B All Base levels

HP Tru64 UNIX 5.1A All Base levels

HP Tru64 UNIX 5.1 All Base levels

HP Tru64 UNIX 4.0G All Base levels

HP Tru64 UNIX 4.0F All Base levels

and

HP Tru64 UNIX (IX) Internet Express running sendmail
versions 8.9.3 through 8.12.9 which were delivered with
IX kit versions 5.43 through 6.12.

To determine if this patch kit is needed

If the installed the version of sendmail was shipped with
affected versions of HP Tru64 UNIX or HP Tru64 UNIX (IX)
Internet Express versions 5.4 through 6.1 a patch will be
required.
Sendmail versions 8.9.3 through 8.12.9 are affected.

To determine the version of sendmail run the following
command:

# /usr/sbin/sendmail -d0.1

Version 8.9.3
 Compiled with: some verbiage

RESOLUTION

Until the resolutions are available in HP Tru64 UNIX
mainstream release patch kits, HP is releasing the
following Early Release Patch (ERP) kits.

The fixes contained in the ERP kits are scheduled to be
available in the following mainstream patch kits:

     HP Tru64 UNIX V5.1B PK4
     HP Tru64 UNIX V5.1A PK6

Early Release Patches

The ERP kits use dupatch to install and will not install
over any installed Customer Specific Patches (CSPs) that
have file intersections with the ERPs. Contact the
appropriate HP Services support channel for assistance
if the installation of the ERPs is blocked by any
installed CSPs.

For alternatives to using the Dupach ERP kit solutions
for the HP Tru64 UNIX Base OS please see the following
Web page: http://h30097.www3.hp.com/unix/AlternativesTo
UsingDupatch.htm.

The following ERP kits are available for HP Tru64 UNIX:

NOTE: These currently released ERPs do have file
interactions with the ERPs provided to resolve SSRT3531
i.e. 5.1A PK4 (BL21), 5.1 PK6 (BL20), 4.0G PK3 (BL17),
4.0F PK7 (BL18) however, they are designed to install
standalone or seamlessly over the previous SSRT3531
patch kits.

HP Tru64 UNIX 5.1B
PREREQUISITE: HP Tru64 UNIX with 5.1B with PK2 (BL22)
installed
ERP Kit Name: T64KIT0020135-V51BB22-ES-20031001.tar
General ITRC Patch Page: http://www.itrc.hp.com/
service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?
patchid=T64KIT0020135-V51BB22-ES-20031001

HP Tru64 UNIX 5.1B
PREREQUISITE: HP Tru64 UNIX with 5.1B with patch kit
prior to PK2 (BL22) installed
Please upgrade to 5.1B PK2 (BL22) and apply the above
patch kit.

HP Tru64 UNIX 5.1A
PREREQUISITE: HP Tru64 UNIX with 5.1A with PK5 (BL23)
installed
ERP Kit Name: T64KIT0020137-V51AB23-ES-20031001.tar
General ITRC Patch Page: http://www.itrc.hp.com/
service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?
patchid=T64KIT0020137-V51AB23-ES-20031001

HP Tru64 UNIX 5.1A
PREREQUISITE: HP Tru64 UNIX with 5.1A with PK4 (BL21)
installed
ERP Kit Name: T64KIT0020138-V51AB21-ES-20031001.tar
General ITRC Patch Page: http://www.itrc.hp.com/
service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?
patchid=T64KIT0020138-V51AB21-ES-20031001

HP Tru64 UNIX 5.1
PREREQUISITE: HP Tru64 UNIX with 5.1A with PK6 (BL20)
installed
ERP Kit Name: T64KIT0020139-V51B20-ES-20031001.tar
General ITRC Patch Page: http://www.itrc.hp.com/
service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?
patchid=T64KIT0020139-V51B20-ES-20031001

HP Tru64 UNIX 4.0F
PREREQUISITE: HP Tru64 UNIX with 4.0F with PK4 (BL22)
installed
ERP Kit Name: DUXKIT0020136-V40FB22-ES-20031001.tar
General ITRC Patch Page: http://www.itrc.hp.com/
service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?
patchid=DUXKIT0020136-V40FB22-ES-20031001

HP Tru64 UNIX 4.0F
PREREQUISITE: HP Tru64 UNIX with 4.0F with PK7 (BL18)
installed
ERP Kit Name: DUXKIT0020134-V40FB18-ES-20031001.tar
General ITRC Patch Page: http://www.itrc.hp.com/
service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?
patchid=DUXKIT0020134-V40FB18-ES-20031001

HP Tru64 UNIX 4.0G
PREREQUISITE: HP Tru64 UNIX with 4.0G with PK4 (BL22)
installed
ERP Kit Name: T64KIT0020132-V40GB22-ES-20031001.tar
General ITRC Patch Page: http://www.itrc.hp.com/
service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?
patchid=T64KIT0020132-V40GB22-ES-20031001

HP Tru64 UNIX 4.0G
PREREQUISITE: HP Tru64 UNIX with 4.0G with PK3 (BL17)
installed
ERP Kit Name: T64KIT0020133-V40GB17-ES-20031001.tar
General ITRC Patch Page: http://www.itrc.hp.com/
service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?
patchid=T64KIT0020133-V40GB17-ES-20031001

The following ERP kits are available for HP Tru64
UNIX (IX) Internet Express:

NOTE: These ERPs include updates to the solution
provided for SSRT3612.

HP Tru64 UNIX Internet Express (IX) Sendmail v6.12
ERP Kit Name: T64V51AB-IX-612-SENDMAIL-SSRT3631.tar
General ITRC Patch Page: http://www.itrc.hp.com/
service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?
patchid=T64V51AB-IX-612-SENDMAIL-SSRT3631

HP Tru64 UNIX Internet Express (IX) Sendmail v6.03
ERP Kit Name: T64V51AB-IX-603-SENDMAIL-SSRT3631.tar
General ITRC Patch Page: http://www.itrc.hp.com/
service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?
patchid=T64V51AB-IX-603-SENDMAIL-SSRT3631

HP Tru64 UNIX Internet Express (IX) Sendmail v5.94
ERP Kit Name: T64V51AB-IX-594-SENDMAIL-SSRT3631.tar
General ITRC Patch Page: http://www.itrc.hp.com/
service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?
patchid=T64V51AB-IX-594-SENDMAIL-SSRT3631

HP Tru64 UNIX Internet Express (IX) Sendmail v5.86
ERP Kit Name: T64V51AB-IX-586-SENDMAIL-SSRT3631.tar

General ITRC Patch Page: http://www.itrc.hp.com/
service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?
patchid=T64V51AB-IX-586-SENDMAIL-SSRT3631

HP Tru64 UNIX Internet Express (IX) Sendmail v5.74
ERP Kit Name: T64V51AB-IX-574-SENDMAIL-SSRT3631.tar
General ITRC Patch Page: http://www.itrc.hp.com/
service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?
patchid=T64V51AB-IX-574-SENDMAIL-SSRT3631

HP Tru64 UNIX Internet Express (IX) Sendmail v5.63
ERP Kit Name: T64V51AB-IX-563-SENDMAIL-SSRT3631.tar
General ITRC Patch Page: http://www.itrc.hp.com/
service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?
patchid=T64V51AB-IX-563-SENDMAIL-SSRT3631

HP Tru64 UNIX Internet Express (IX) Sendmail v5.53
ERP Kit Name: T64V51AB-IX-553-SENDMAIL-SSRT3631.tar
General ITRC Patch Page: http://www.itrc.hp.com/
service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?
patchid=T64V51AB-IX-553-SENDMAIL-SSRT3631

HP Tru64 UNIX Internet Express (IX) Sendmail v5.43
ERP Kit Name: T64V51AB-IX-543-SENDMAIL-SSRT3631.tar
General ITRC Patch Page: http://www.itrc.hp.com/
service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?
patchid=T64V51AB-IX-543-SENDMAIL-SSRT3631

To determine if senmail has been successfully
patched following installation of the ERP

To determine if a patch is installed run the following
command:

# /usr/sbin/sendmail -d0.1
  Version 8.9.3 Compiled with: some verbiage Includes
patches for: SSRT3469 SSRT3531 SSRT3631 <-- confirm
ation of patch install

MD5 and SHA1 checksums are available in the public
patch notice for the ERP kits. You can find information
on how to verify MD5 and SHA1 checksums at:
http://www.support.compaq.com/patches/whats-new.shtml

SUPPORT: For further information, contact HP Services.

SUBSCRIBE: To subscribe to automatically receive future
Security Advisories from the Software Security Response
Team via electronic mail:
http://www.support.compaq.com/patches/mail-list.shtml

REPORT: To report a potential security vulnerability
with any HP supported product, send email to:
security-alerthp.com

As always, HP urges you to periodically review your
system management and security procedures. HP will
continue to review and enhance the security features
of its products and work with our customers to maintain
and improve the security and integrity of their systems.

"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."

©Copyright 2001, 2003 Hewlett-Packard Development
Company, L.P.
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
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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