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Category:   Application (Security)  >   Passwd Vendors:   HPE
HP-UX passwd(1) Utility May Allow Local Users to Corrupt the Password File
SecurityTracker Alert ID:  1004143
SecurityTracker URL:  http://securitytracker.com/id/1004143
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Apr 24 2002
Impact:   Denial of service via local system, Modification of authentication information, Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   HP reported a denial of service vulnerability in the passwd(1) utility on certain versions of HP-UX. A local user could corupt the password file.

No further details were provided by HP.

Impact:   A local user could create a denial of service condition by corrupting the password file.
Solution:   The vendor has released a fix. The recommended solution is to install the patch as detailed below:

PHCO_25527 11.00
PHCO_26904 11.04 (VVOS)
PHCO_24839 11.11

Vendor URL:  www.hp.com/ (Links to External Site)
Cause:   Not specified
Underlying OS:  UNIX (HP/UX)
Underlying OS Comments:  11.00 and 11.11

Message History:   None.


 Source Message Contents

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:  Wed Apr 24  3:00:03 PDT 2002

Table of Contents:

Document ID      Title
---------------  -----------
HPSBUX0204-191   Sec. Vulnerability in passwd(1)

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


Document ID:  HPSBUX0204-191
Date Loaded:  20020423
      Title:  Sec. Vulnerability in passwd(1)

TEXT

			

				

 -----------------------------------------------------------------
   HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0191,
   Originally issued: 23 April 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:  password file corruption using passwd(1)

PLATFORM: HP 9000 Servers running HP-UX releases 11.00 and 11.11 only.

DAMAGE:   Possible denial-of-service, corruption.

SOLUTION: Apply the appropriate patches for HP-UX releases:
                   PHCO_25527    11.00
                   PHCO_26904    11.04 (VVOS)
                   PHCO_24839    11.11

MANUAL ACTIONS: none

AVAILABILITY:   Patches are available now.

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

A. Background
    Hewlett-Packard Company has learned of a defect in use of the
    passwd(1) command on HP-UX 11.00 and 11.11.

B. Fixing the problem
   The recommended solution is to install the patch as detailed below.
                   PHCO_25527    11.00
                   PHCO_26904    11.04 (VVOS)
                   PHCO_24839    11.11

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.

    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".


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:  HPSBUX0204-191--------------------------------------


 
 


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