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CERT Coordination Center

HP-UX CDE library libDtSvc contains unspecified buffer overflow

Vulnerability Note VU#406406

Original Release Date: 2004-03-23 | Last Revised: 2006-06-13


CDE, the default X Windows environment in HP-UX, ships with a libraray called libDtSvc. It has a locally-exploitable buffer overflow in some versions.


Please see HP Security Bulletin HPSBUX0401-308 SSRT3492 for more details.


A local user may be able to gain root-level access.


Apply the appropriate vendor patch.

Vendor Information


Hewlett-Packard Company Affected

Updated:  March 23, 2004



Vendor Statement

No statement from the vendor was given directly to CERT/CC regarding this vulnerability.

Vendor Information

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


Hash: SHA1

Originally issued: 13 January 2004
SSRT3492 libDtSvc

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: There is a buffer overflow in libDtSvc.

IMPACT: Potential root access by a local user.

PLATFORM: HP-UX B.11.00, B.11.04, B.11.11, B.11.22

SOLUTION: Apply the appropriate patch:
         PHSS_28675 - B.11.00
         PHSS_30167 - B.11.04
         PHSS_28676 - B.11.11
         PHSS_28682 - B.11.22


AVAILABILITY: The patches are available now.
A. Background


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

    HP-UX B.11.00
    fix: install PHSS_28675 or subsequent

    HP-UX B.11.04
    fix: install PHSS_30167 or subsequent

    HP-UX B.11.11
    fix: install PHSS_28676 or subsequent

    HP-UX B.11.22
    fix: install PHSS_28682 or subsequent


B. Recommended solution

   Apply the appropriate patch:

         PHSS_28675 - B.11.00
         PHSS_30167 - B.11.04
         PHSS_28676 - B.11.11
         PHSS_28682 - B.11.22

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

   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.


   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:

   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.  Please note that installing the patches
   listed in the Security Patch Matrix will completely
   implement a security bulletin _only_ if the MANUAL ACTIONS
   field specifies "No."

   The Security Patch Check tool can verify that a security
   bulletin has been implemented on HP-UX 11.XX systems providing
   that the fix is completely implemented in a patch with no
   manual actions required.  The Security Patch Check tool cannot
   verify fixes implemented via a product upgrade.

   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".

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

      HP Security Response Team (Security Bulletin signing only)
      Fingerprint =
        6002 6019 BFC1 BC62 F079 862E E01F 3AFC 2D2A 7D59

   If you have problems locating the key please write to  Please note that this key is
   for signing bulletins only and is not the key returned
   by sending 'get key' to

D. 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


(c)Copyright 2004 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.


Version: PGP 8.0.2


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Thanks to the HP IT Resource Center for reporting this vulnerability.

This document was written by Jeffrey S. Havrilla

Other Information

CVE IDs: CVE-2004-1764
Severity Metric: 7.13
Date Public: 2004-01-14
Date First Published: 2004-03-23
Date Last Updated: 2006-06-13 15:40 UTC
Document Revision: 3

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