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===========================================================================
             AUSCERT External Security Bulletin Redistribution

       ESB-2003.0583 -- HEWLETT-PACKARD COMPANY SECURITY BULLETINS:
                     HPSBUX0304-253 and HPSBUX0302-246
    SSRT3531 and SSRT3469 Potential Security Vulnerability in sendmail
                           (rev.  8 and rev.5)
                              20 August 2003

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:                sendmail
Publisher:              Hewlett-Packard
Operating System:       HP-UX 11.22
                        HP-UX 11.11
                        HP-UX 11.04
                        HP-UX 11.00
                        HP-UX 10.20
                        HP-UX 10.10
Platform:               HP9000 Series 700/800
Impact:                 Root Compromise
                        Denial of Service
Access Required:        Remote
CVE Names:              CAN-2003-0161

Ref:                    AA-2003.01
                        AL-2003.05
                        ESB-2003.0505

- --------------------------BEGIN INCLUDED TEXT--------------------

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Hash: SHA1

 -----------------------------------------------------------------
**REVISED 08**
 Source: HEWLETT-PACKARD COMPANY
 SECURITY BULLETIN: HPSBUX0304-253
 Originally issued: 03 April 2003
 Last revised: 18 August 2003
 SSRT3531 Potential Security Vulnerability in sendmail (rev.8)
 -----------------------------------------------------------------

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 B.10.10,
          B.10.20, B.11.00, B.11.04(VVOS), B.11.11, and B.11.22.

**REVISED 08**
SOLUTION: B.10.10 - write to security-alert@hp.com for information
          B.10.20 - install PHNE_28760
          B.11.00 (sendmail-8.9.3) - install PHNE_28809
          B.11.00 (sendmail-8.11.1) - install web upgrade
 -->      B.11.04 - install PHNE_29526
          B.11.11 (sendmail-8.9.3) - install PHNE_28810
          B.11.11 (sendmail-8.11.1) - install web upgrade
          B.11.22 - install PHNE_28409

MANUAL ACTIONS: Yes - NonUpdate
                B.10.10:
                write to security-alert@hp.com for information
                All versions:
                Modify /etc/mail/sendmail.cf

AVAILABILITY: Fixes are available for B.10.10, B.10.20, B.11.00,
              B.11.04(VVOS), B.11.11, and B.11.22.

CHANGE SUMMARY: Rev.01 - Added fix for B.11.22.
                         Added HPSecurityBul253.depot.
                Rev.02 - Corrected filename:
                            /usr/newconfig/etc/mail/sendmail.cf
                         Added sendmail.886.10.10.r1.
                Rev.03 - New HPSecurityBul253.depot containing
                         sendmail.886.10.10.r1.
                Rev.04 - Added early release patches for B.11.00
                         and B.11.11.
                Rev.05 - Added pre-release sendmail-8.11.1 web
                         upgrades for B.11.00 and B.11.11.
                Rev.06 - Added pre-release sendmail-8.11.1 patch
                         for B.11.22.
                         Added pre-release sendmail-8.9.3 patch
                         for B.10.20.
                         PHNE_26304 and PHNE_28761 for sendmail
                         8.9.3 contain the wrong man pages.
                         Changed to uniform revision notation
                         (e.g. 11.00 -> B.11.00) to match the
                         "uname -a" output.
                Rev.07 - Added PHNE_28760
                         for  B.10.20 sendmail-8.9.3.
                         Added PHNE_28809
                         for B.11.00 sendmail-8.9.3.
                         Added web upgrades for
                         sendmail-8.11.1 B.11.00 and B.11.11.
                         Added PHNE_28409 for B.11.22
                         Added PHNE_28810 for B.11.11.
                         Added AFFECTED VERSIONS section.
                Rev.08 - Added PHNE_29526
                         for  B.11.04 sendmail-8.9.3.
                         Temporary ftp site for 10.10 removed.
                         Modified 8.11.1 web upgrade information.
                         Added url for sendmail-8.11.1 upgrade.

 -----------------------------------------------------------------
 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 is the vulnerability reported in CERT/CC CA-2003-12.

    Note: This problem also affects:

      HP Tru64 UNIX/TruCluster Server V4.x and V5.x

       HP Tru64 UNIX Engineering continues to work this
       issue at the highest priority.
       As solution information becomes available HP
       will provide notice of the availability of any
       necessary patches through standard security
       bulletin announcements and be available from your
       normal HP Services support channel.
       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: SSRT3531)

      HP ProLiant Servers
       If running Open Source Sendmail, refer to the following
       Sendmail Consortium URL for patch details or upgrades:
       http://www.sendmail.org
       As more information becomes available HP
       will provide notice of the availability of any
       necessary patches through standard security
       bulletin announcements and be available from your
       normal HP Services support channel.

     NOT VULNERABLE:
       HP NonStop Servers
       HP OpenVMS.

     AFFECTED VERSIONS

     The following is a list by HP-UX revision of
     affected filesets and the fileset revision or
     patch containing the fix.  To determine if a
     system has an affected version, search the
     output of "swlist -a revision -l fileset"
     for an affected fileset, then determine if
     a fixed revision or the applicable patch is
     installed.

     HP-UX B.11.22
     =============
     InternetSrvcs.INETSVCS2-RUN
     InternetSrvcs.INETSVCS-RUN
     fix: PHNE_28409 or subsequent
          Modify /etc/mail/sendmail.cf

**REVISED 08**
     HP-UX B.11.11
     =============
     SMAIL-811.INETSVCS-SMAIL
 --> fix: B.11.11.01.005 or subsequent
 -->     (web upgrade to Sendmail 8.11.1 Version 5
 -->      or subsequent)
          Modify /etc/mail/sendmail.cf

     InternetSrvcs.INETSVCS-RUN
     fix: PHNE_28810 or subsequent
          Modify /etc/mail/sendmail.cf

     HP-UX B.11.04
     =============
     InternetSrvcs.INETSVCS-RUN
 --> fix: PHNE_29526 or subsequent

     HP-UX B.11.00
     =============
     SMAIL-811.INETSVCS-SMAIL
 --> fix: B.11.00.01.004 or subsequent
 -->     (web upgrade to Sendmail 8.11.1 Version 4
 -->      or subsequent)
          Modify /etc/mail/sendmail.cf

     InternetSrvcs.INETSVCS-RUN
     fix: PHNE_28809 or subsequent
          Modify /etc/mail/sendmail.cf

     HP-UX B.10.20
     =============
     InternetSrvcs.INETSVCS-RUN
     fix: PHNE_28760 or subsequent
          Modify /etc/mail/sendmail.cf

**REVISED 08**
     HP-UX B.10.10
     =============
     InternetSrvcs.INETSVCS-RUN
 --> fix: write to security-alert@hp.com for information

     END AFFECTED VERSIONS

 B. Recommended solution

    Modify /etc/mail/sendmail.cf as follows:

       Add "restrictqrun" to the PrivacyOptions.
       After the change the line should read:

         O PrivacyOptions=authwarnings,restrictqrun

    Then install the patch or upgrade.


    Determine the sendmail version:

        Login in as root:
          cd /usr/sbin
          sendmail -d0.1 < /dev/null | grep -i version

        The display will show Version #.#.#

    Install the fix for that version as described below.

    HP-UX B.11.22 sendmail 8.11.1
        PHNE_28409 is now available.

**REVISED 08**
    HP-UX B.11.00 and B.11.11 sendmail 8.11.1
 -->    A web upgrade is available from software.hp.com:
        <http://www.software.hp.com/cgi-bin/swdepot_parser.cgi/
        cgi/displayProductInfo.pl?productNumber=SMAIL811>

    HP-UX B.11.11 sendmail 8.9.3
        PHNE_28810 is now available.

 -->HP-UX B.11.04 sendmail 8.9.3
 -->    PHNE_29526 is now available.

    HP-UX B.11.00 sendmail 8.9.3
        PHNE_28809 is now available.

    HP-UX B.10.20 sendmail 8.9.3
        PHNE_28760 is now available.


 -->For B.10.10 write to security-alert@hp.com for information.

    Note: If you receive either of the following messages after
    applying the fix, please follow the recommended action.

     warning: /etc/mail/aliases has world read or
                        write permission. This is unsafe.

     warning: /etc/mail/aliases.db has world read or
                        write permission. This is unsafe.


     Recommended action

      Execute the following commands.

        chmod 640 /etc/mail/aliases
        chmod 640 /etc/mail/aliases.db
        sendmail -bi


 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".

    The PGP key used to sign this bulletin is available from
    several PGP Public Key servers.  The key identification
    information is:

       2D2A7D59
       HP Security Response Team (Security Bulletin signing only)
       <security-alert@hp.com>
       Fingerprint =
         6002 6019 BFC1 BC62 F079 862E E01F 3AFC 2D2A 7D59

    If you have problems locating the key please write to
    security-alert@hp.com.  Please note that this key is
    for signing bulletins only and is not the key returned
    by sending 'get key' to security-alert@hp.com.


 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-alert@hp.com.

 -----------------------------------------------------------------

(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 PGP SIGNATURE-----

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Hash: SHA1

 -----------------------------------------------------------------
**REVISED 05**
 Source: HEWLETT-PACKARD COMPANY
 SECURITY BULLETIN: HPSBUX0302-246
 Originally issued: 03 March 2003
 Last revised: 18 August 2003
 SSRT3469 Potential Security Vulnerability in sendmail (rev.5)
 -----------------------------------------------------------------

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 B.10.10,
          B.10.20, B.11.00, B.11.04(VVOS), B.11.11, and B.11.22.

**REVISED 05**
SOLUTION: B.10.10 - write to security-alert@hp.com for information
 -->      B.10.20 - install PHNE_28760
 -->      B.11.00 (sendmail-8.9.3) - install PHNE_28809
 -->      B.11.00 (sendmail-8.11.1) - install web upgrade
 -->      B.11.04 - install PHNE_29526
 -->      B.11.11 (sendmail-8.9.3) - install PHNE_28810
 -->      B.11.11 (sendmail-8.11.1) - install web upgrade
 -->      B.11.22 - install PHNE_28409


MANUAL ACTIONS: Yes - NonUpdate
                B.10.10:
                write to security-alert@hp.com for information
                All versions:
                Modify /etc/mail/sendmail.cf

AVAILABILITY: Fixes are available for B.10.10, B.10.20, B.11.00,
              B.11.04(VVOS), B.11.11, and B.11.22.


CHANGE SUMMARY: Rev.01 - Added information on upgrading from
                         8.8.6 to 8.9.3 or 8.11.1.
                         Added information on warning messages.
                         Added CERT and CVE reference numbers.
                Rev.02 - Corrected typo.
                         Added 11.04(VVOS) information.
                         Added 8.7.x to list of affected versions.
                Rev.03 - Added HPSecurityBul246.depot information.
                         Replaced  sendmail.811.11.11 file
                         with sendmail.811.11.11.r1.
                         Renamed sendmail.886.10.01 to
                                 sendmail.886.10.10.
                         Clarified installation instructions.
                Rev.04 - Added note about HPSBUX0304-253.
                         The files are in the SB246 subdirectory
                         on the ftp site.
                Rev.05 - patches and web upgrades 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 is the vulnerability reported in CERT/CC CA-2003-07.
    CERT/CC is tracking this issue as VU#398025  This reference
    number corresponds to CVE candidate CAN-2002-1337.

    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

      HP ProLiant Servers
       If running Open Source Sendmail, refer to the following
       Sendmail Consortium URL for patch details or upgrades:
       http://www.sendmail.org
       As more information becomes available HP
       will provide notice of the availability of any
       necessary patches through standard security
       bulletin announcements and be available from your
       normal HP Services support channel.

     NOT VULNERABLE:
       HP NonStop Servers
       HP OpenVMS.

     AFFECTED VERSIONS

     The following is a list by HP-UX revision of
     affected filesets and the fileset revision or
     patch containing the fix.  To determine if a
     system has an affected version, search the
     output of "swlist -a revision -l fileset"
     for an affected fileset, then determine if
     a fixed revision or the applicable patch is
     installed.

     HP-UX B.11.22
     =============
     InternetSrvcs.INETSVCS2-RUN
     InternetSrvcs.INETSVCS-RUN
     fix: PHNE_28409 or subsequent
          Modify /etc/mail/sendmail.cf

**REVISED 05**
     HP-UX B.11.11
     =============
     SMAIL-811.INETSVCS-SMAIL
 --> fix: B.11.11.01.005 or subsequent
 -->     (web upgrade to Sendmail 8.11.1 Version 5
 -->      or subsequent)
          Modify /etc/mail/sendmail.cf

     InternetSrvcs.INETSVCS-RUN
     fix: PHNE_28810 or subsequent
          Modify /etc/mail/sendmail.cf

     HP-UX B.11.04
     =============
     InternetSrvcs.INETSVCS-RUN
 --> fix: PHNE_29526 or subsequent

     HP-UX B.11.00
     =============
     SMAIL-811.INETSVCS-SMAIL
 --> fix: B.11.00.01.004 or subsequent
 -->     (web upgrade to Sendmail 8.11.1 Version 4
 -->      or subsequent)
          Modify /etc/mail/sendmail.cf

     InternetSrvcs.INETSVCS-RUN
     fix: PHNE_28809 or subsequent
          Modify /etc/mail/sendmail.cf

     HP-UX B.10.20
     =============
     InternetSrvcs.INETSVCS-RUN
     fix: PHNE_28760 or subsequent
          Modify /etc/mail/sendmail.cf

**REVISED 05**
     HP-UX B.10.10
     =============
     InternetSrvcs.INETSVCS-RUN
 --> fix: write to security-alert@hp.com for information

     END AFFECTED VERSIONS

 B. Recommended solution

    Modify /etc/mail/sendmail.cf as follows:

       Add "restrictqrun" to the PrivacyOptions.
       After the change the line should read:

         O PrivacyOptions=authwarnings,restrictqrun

    Then install the patch or upgrade.


    Determine the sendmail version:

        Login in as root:
          cd /usr/sbin
          sendmail -d0.1 < /dev/null | grep -i version

        The display will show Version #.#.#

    Install the fix for that version as described below.

    HP-UX B.11.22 sendmail 8.11.1
        PHNE_28409 is now available.

**REVISED 05**
    HP-UX B.11.00 and B.11.11 sendmail 8.11.1
 -->    A web upgrade is available from software.hp.com:
        <http://www.software.hp.com/cgi-bin/swdepot_parser.cgi/
        cgi/displayProductInfo.pl?productNumber=SMAIL811>

    HP-UX B.11.11 sendmail 8.9.3
        PHNE_28810 is now available.

 -->HP-UX B.11.04 sendmail 8.9.3
 -->    PHNE_29526 is now available.

    HP-UX B.11.00 sendmail 8.9.3
        PHNE_28809 is now available.

    HP-UX B.10.20 sendmail 8.9.3
        PHNE_28760 is now available.


 -->For B.10.10 write to security-alert@hp.com for information.

    Note: If you receive either of the following messages after
    applying the fix, please follow the recommended action.

     warning: /etc/mail/aliases has world read or
                        write permission. This is unsafe.

     warning: /etc/mail/aliases.db has world read or
                        write permission. This is unsafe.


     Recommended action

      Execute the following commands.

        chmod 640 /etc/mail/aliases
        chmod 640 /etc/mail/aliases.db
        sendmail -bi


 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".

    The PGP key used to sign this bulletin is available from
    several PGP Public Key servers.  The key identification
    information is:

       2D2A7D59
       HP Security Response Team (Security Bulletin signing only)
       <security-alert@hp.com>
       Fingerprint =
         6002 6019 BFC1 BC62 F079 862E E01F 3AFC 2D2A 7D59

    If you have problems locating the key please write to
    security-alert@hp.com.  Please note that this key is
    for signing bulletins only and is not the key returned
    by sending 'get key' to security-alert@hp.com.


 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-alert@hp.com.

 -----------------------------------------------------------------

(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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