Hewlett-Packard Company Information for VU#595507

Common Desktop Environment (CDE) ToolTalk RPC Server rpc.ttdbserverd contains format string vulnerability



Vendor Statement

Document ID:  HPSBUX0110-168

    Date Loaded:  20011205
          Title:  Sec. Vulnerability in rpc.ttdbserverd (rev.3)

        Originally issued: 01 October '01
        **Revision 01**: 03 October '01
        **Revision 02**: 19 November '01
        **Revision 03**: 05 December '01

    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:   Unauthorized access, increased privileges.

    SOLUTION: Install the appropriate patch:
                        10.10       PHSS_25136,
                        10.20       PHSS_25137,
                        10.24       PHSS_25419,
                        11.00       PHSS_25138,
                        11.04       PHSS_25420,
                        11.11       PHSS_25139.


    AVAILABILITY:  All listed patches are available now.

    CHANGE SUMMARY:  Rev.01 Updated patch information, deleted old
                     Rev.02 Updated patch information again.
                     Rev.03 Updated instructions for disabling
     A. Background
         A remotely exploitable buffer overflow in rpc.ttdbserver has
         been reported to HP.

     B. Fixing the problem

         Install the appropriate patch.  An alternative is to disable
         rpc.ttdbserver.  The rpc.ttdbserver process is not needed for
         the programs provided in HP's CDE product.  It may be needed
         by third party applications using ToolTalk.  If you are not
         using ToolTalk applications rpc.ttdbserver may be disabled.


         Edit /etc/inetd.conf and comment out the rpc.ttdbserver
         line as follows:

    #rpc stream tcp swait root /usr/dt/bin/rpc.ttdbserver ...

         Restart inetd:

             /usr/sbin/inetd -c

         Kill any instances of rpc.ttdbserver that might be

     C. Recommended solution
        Install the appropriate patch:
                       10.10   PHSS_25136,
                       10.20   PHSS_25137,
                       10.24   PHSS_25419,
                       11.00   PHSS_25138,
                       11.04   PHSS_25420,
                       11.11   PHSS_25139.

     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


        Use the 'Login' tab at the left side of the screen to login
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        In the left most frame select "Maintenance and Support".

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        To -subscribe- to future HP Security Bulletins or other
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        To -review- bulletins already released, select the link
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        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:

        The security patch matrix is also available via anonymous


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

     E. To report new security vulnerabilities, send email to


        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:  HPSBUX0110-168--------------------------------------

    Vendor Information

    The vendor has not provided us with any further information regarding this vulnerability.

    Vendor References



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