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Category:  Application (Generic)  >  libDtSvc.a (CDE DtSvc Library) Vendors:  IBM
(HP Issues Fix) Common Desktop Environment (CDE) DtSvc Library Buffer Overflow May Let Local Users Obtain Root Privileges
Date:  Jan 17 2002
Impact:  Execution of arbitrary code via local system, Root access via local system, User access via local system
Fix Available:  Yes   Vendor Confirmed:  Yes  
Description:  IBM reported a buffer oveflow vulnerability in CDE DtSvc library for IBM's AIX operating system. A local user can execute arbitrary code and gain elevated privileges on the host, potentially including root level privileges.

It is reported that a buffer overflow vulnerability has been found in the Common Desktop Environment (CDE) libDtSvc.a library. The vulnerability can be triggered when a local user passes a specially coded string to any of the "dt" commands (e.g., dtprintinfo, dtterm) using the "-session" option.

Impact:  A local user can execute arbitrary code with root level privileges, gaining root level access on the host.
Solution:  The vendor has released patches for 10.10, 10.20, 11.00, 11.11. Some of the patches have dependencies on other patches, and this is documented in the patch text.

For 10.24 and 11.04 install dtspcd using the procedure described in the Source Message. HP will issue an updated advisory when patches are available for 10.24 and 11.04.

See the Source Message for the vendor's advisory containing directions on how to apply the appropriate fix.

Vendor URL:  www.ibm.com/ (Links to External Site)
Cause:  Boundary error
Underlying OS:  UNIX (HP/UX)
Underlying OS Comments:  IBM AIX 4.3 and 5.1; other UNIX operating systems may be affected
Reported By:  support_feedback@us-support.external.hp.com (IT Resource Center )
Message History:   This archive entry is a follow-up to the message listed below.
Oct 30 2001 Common Desktop Environment (CDE) DtSvc Library Buffer Overflow May Let Local Users Obtain Root Privileges



 Source Message Contents

Date:  Thu, 17 Jan 2002 13:10:10 -0800 (PST)
From:  support_feedback@us-support.external.hp.com (IT Resource Center )
Subject:  HP-UX security bulletins digest

 


                        HP Support Information Digests

===============================================================================
o  Security Bulletin Digest Split
   ------------------------------

   The security bulletins digest has been split into multiple digests
   based on the operating system (HP-UX, MPE/iX, and HP Secure OS 
   Software for Linux).  You will continue to receive all security
   bulletin digests unless you choose to update your subscriptions.  
   
   To update your subscriptions, use your browser to access the
   IT Resource Center on the World Wide Web at:

     http://www.itresourcecenter.hp.com/

   Under the Maintenance and Support Menu, click on the "more..." link.
   Then use the 'login' link at the left side of the screen to login
   using your IT Resource Center User ID and Password.

   Under the notifications section (near the bottom of the page), select
   Support Information Digests.

   To subscribe or unsubscribe to a specific security bulletin digest, 
   select or unselect the checkbox beside it. Then click the 
   "Update Subscriptions" button at the bottom of the page.

o  IT Resource Center World Wide Web Service
   ---------------------------------------------------

   If you subscribed through the IT Resource Center and would
   like to be REMOVED from this mailing list, access the
   IT Resource Center on the World Wide Web at:

     http://www.itresourcecenter.hp.com/

   Login using your IT Resource Center User ID and Password.
   Then select Support Information Digests (located under
   Maintenance and Support).  You may then unsubscribe from the
   appropriate digest.
===============================================================================

 
Digest Name:  daily HP-UX security bulletins digest
    Created:  Thu Jan 17 12:03:02 PST 2002

Table of Contents:

Document ID      Title
---------------  -----------
HPSBUX0111-175   Sec. Vulnerability in dtspcd (rev. 1)
HPSBUX0201-179   Sec. Vulnerability with sendmail(1m)

The documents are listed below.
-------------------------------------------------------------------------------

 
Document ID:  HPSBUX0111-175
Date Loaded:  20020116
      Title:  Sec. Vulnerability in dtspcd (rev. 1)

-----------------------------------------------------------------
 HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #00175
 Originally issued: 12 Nov. 2001
 **Revision 01** 16 Jan. 2002
 -----------------------------------------------------------------

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 dtspcd

PLATFORM: HP9000 Series 700/800 running HP-UX releases 10.10,
          10.20, 10.24, 11.00, 11.04, and 11.11.

DAMAGE:  Possible unauthorized access, possible increased privileges.

** Rev.1 **
SOLUTION: Install the appropriate patch for the HP-UX release:
--->>>>   10.10    PHSS_25785
--->>>>   10.20    PHSS_25786
--->>>>   10.24    Manually install dtspcd (see below)
--->>>>   11.00    PHSS_25787
--->>>>   11.04    Manually install dtspcd (see below)
--->>>>   11.11    PHSS_25788

** Rev.1 **
MANUAL ACTIONS: Install replacement dtspcd
--->>>>         for 10.24 and 11.04.

AVAILABILITY:  The replacement dtspcd files are available now.
** Rev.1 **
--->>>>   The patches for 10.10, 10.20, 11.00, 11.11 are
--->>>>   available now.

CHANGE SUMMARY: Patches available for 10.10, 10.20, 11.00, 11.11

 ------------------------------------------------------------------
I.
 A. Background
    A buffer overflow has been reported in dtspcd.  It may be
    possible to exploit this overflow to gain unauthorized access.

 B. Fixing the problem
    Until patches are available, install the appropriate file to
    replace dtspcd.

** Rev.1 **
--->>>> Patches available for 10.10, 10.20, 11.00, 11.11

 C. Recommended solution

** Rev.1 **
--->>>> Install the appropriate patch for 10.10, 10.20, 11.00, 11.11.
--->>>> Note: Some of the patches have dependencies on other patches.
--->>>>       This is documented in the patch text.

--->>>> For 10.24 and 11.04 install dtspcd using the following
--->>>> procedure.  This bulletin will be revised when patches are
--->>>> available for 10.24 and 11.04.

      1. Download dtspcd.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.

          ftp site: hprc.external.hp.com (192.170.19.51).
          account: dtspcd
          password: dtspcd
          file: dtspcd.tar.gz

           If using a browser:

           ftp://dtspcd:dtspcd@hprc.external.hp.com/dtspcd/

           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 dtspcd.tar.gz file to a protected directory
         and unpack it.
         If you wish to verify the md5 sum before unpacking the
         dtspcd.tar.gz file, please refer to:

               HPSBUX9408-016
               Patch sums and the MD5 program

          The md5 sum for dtspcd.tar.gz is:

         MD5 (dtspcd.tar.gz) = b122f84857f4da65b50d9926201608a1


      3. Install the new dtspcd file using the
         install_dtscpd script or some similar procedure.

         For example on a 10.20 system:

            ./install_dtscpd dtspcd.10.20

         Note: 10.24 systems should use dtspcd.10.20.
               11.04 systems should use dtspcd.11.00.
               On 10.24 and 11.04 (VVOS) systems the
               install_dtscpd should be run at SYSTEM.

      4. Each shar file contains the following README:

====================== Start of README ===============================
Note:  These files are temporary and will be deleted from the ftp site
       when official patches are available.
=======================================================================

The install_dtspcd script may be used to install the
special release versions of dtspcd.

As root set the working directory to the location of the
special release dtspcd files and

   ./install_dtspcd <dtspcd.xx.yy>

========================================================================
Output of what(1)  (edited)
================
dtspcd.10.10:
        X Window System, Version 11 R5+ HP-UX B.10.10.00
         October 2001 Patch Release
        (build date: Fri Nov  9 14:15:50 IST 2001)
        dtspcd: $Revision: 1.2 $

dtspcd.10.20:
        X Window System, Version 11 R6+ HP-UX B.10.20.00
         October 2001 Patch Release
        (build date: Fri Nov  9 14:59:28 IST 2001)
        dtspcd: $Revision: 1.2 $

dtspcd.11.00:
        View: /view/apurna_main, Build Type: r6oct01_1100
        hpcde2.1
        (build date: Fri Nov  9 14:38:15 IST 2001)

dtspcd.11.11:
        View: /view/apurna_main, Build Type: r6oct01_1111
        hpcde2.1
        (build date: Fri Nov  9 14:17:18 IST 2001)
========================================================================
Output of cksum(1)
==================
1296183867 163840 dtspcd.10.10
362631488 163840 dtspcd.10.20
2348623604 192512 dtspcd.11.00
592942149 200704 dtspcd.11.11
========================================================================
====================== End of README ===============================


 D. 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.itrc.hp.com:~ftp/export/patches/hp-ux_patch_matrix

    On the "Support Information Digest Main" page:
    click on the "HP Security Bulletin Archive".


 E. 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.

    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:  HPSBUX0111-175--------------------------------------

 
Document ID:  HPSBUX0201-179
Date Loaded:  20020115
      Title:  Sec. Vulnerability with sendmail(1m)

-----------------------------------------------------------------
 HEWLETT-PACKARD COMPANY SECURITY BULLETIN #0179,
 Originally issued:  15 January 2002
 -----------------------------------------------------------------

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: In HP sendmail(1m) release 8.8.6, 8.9.3, and 8.11.1, under
         certain conditions an email queue warning message is
         returned with the Diagnostic-Code and incorrect
         information not intended to be seen without authorization.

PLATFORM: HP 9000 Series 700/800 Servers running HP-UX 10.20, 11.00,
          and 11.11.

DAMAGE:   Information possibly revealed to unauthorized users.

SOLUTION: Install the appropriate patch for HP-UX releases as
          described below:

             10.20             PHNE_25183
             11.00             PHNE_24419
             11.00             sendmail 8.11.1 web release upgrade
             11.11             PHNE_25184
             11.11             sendmail 8.11.1 web release upgrade

MANUAL ACTIONS: None

AVAILABILITY: All patches are available now.

 ------------------------------------------------------------------
A. Background
   This affects sendmail(1m) 8.8.6 on HP-UX 10.20 and 11.00,
   sendmail(1m) 8.9.3 on HP-UX 10.20, 11.00 and 11.11, and
   sendmail(1m) 8.11.1 (webrelease) on HP-UX 11.00 and 11.11.
   An email queue warning is returned to the sender
   with a Diagnostic-Code including incorrect information.

B. Recommended solution
   The problem can be fully rectified by application of one of
   these patches to the appropriate HP-UX release:

             10.20             PHNE_25183
             11.00             PHNE_24419
             11.00             sendmail 8.11.1 web release upgrade
             11.11             PHNE_25184
             11.11             sendmail 8.11.1 web release upgrade


   These patches can be retrieved from the ITRC at www.itrc.hp.com
   and provide the sendmail(1m) 8.9.3 upgrade.
   The webrelease only, however, can be retrieved from:

      http://www.software.hp.com/cgi-bin/swdepot_parser.cgi/cgi/
      displayProductInfo.pl?productNumber=SMAIL811


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) "Search Technical Knowledge
    Database".

    To -gain access- to the Security Patch Matrix, or the
    "The Security Bulletins Archive" 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.itrc.hp.com:~ftp/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-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.

   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:  HPSBUX0201-179--------------------------------------


 


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