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CERT Coordination Center

HP-UX XServer contains privilege escalation vulnerability

Vulnerability Note VU#862401

Original Release Date: 2003-01-17 | Last Revised: 2003-01-17

Overview

A privilege escalation vulnerability exists in the HP-UX 11.22 XServer.

Description

A privilege escalation vulnerability in the HP-UX 11.22 XServer may allow an attacker to gain elevated privileges. For more details, please see HPSBUX0301-238.

Impact

An attacker may be able to gain elevated privileges.

Solution

Apply a patch.

Vendor Information

862401
 
Affected   Unknown   Unaffected

Hewlett-Packard Company

Updated:  January 17, 2003

Status

  Vulnerable

Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

Vendor Information

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

Addendum

Hewlett-Packard Company released the following security bulletin to address this vulnerability:

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://support.itrc.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://support.itrc.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:  Fri Jan 17 10:00:02 EST 2003

Table of Contents:

Document ID      Title
---------------  -----------
HPSBUX0301-238   SSRT2361 Security Vulnerability in the HP-UX 11.22 Xserver
HPSBUX0301-237   SSRT3454 Security vulnerability in sort(1)
HPSBUX0206-195   Sec. Vulnerability in OpenSSH on HP-UX (Rev. 3)

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


Document ID:  HPSBUX0301-238
Date Loaded:  20030113
     Title:  SSRT2361 Security Vulnerability in the HP-UX 11.22 Xserver

TEXT





 -----------------------------------------------------------------
Source: HEWLETT-PACKARD COMPANY
SECURITY BULLETIN: HPSBUX0301-238
Originally issued: 17 January 2003
SSRT2361 Security Vulnerability in the HP-UX 11.22 Xserver
-----------------------------------------------------------------

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: The Xserver was built incorrectly for HP-UX 11.22.

IMPACT: Potential increase in privileges.

PLATFORM: HP9000 Series 700/800 running HP-UX release 11.22 only.

SOLUTION: Apply PHSS_25291.

MANUAL ACTIONS: No

AVAILABILITY: The patch is available now.
------------------------------------------------------------------
A. Background

    The Xserver was built incorrectly for HP-UX 11.22.

 B. Recommended solution

    Apply PHSS_25291.

 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://ftp.itrc.hp.com/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.

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

(c)Copyright 2002 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.

 ________________________________________________________________
-----End of Document ID:  HPSBUX0301-238--------------------------------------


Document ID:  HPSBUX0301-237
Date Loaded:  20030113
     Title:  SSRT3454 Security vulnerability in sort(1)

TEXT





 -----------------------------------------------------------------
Source: HEWLETT-PACKARD COMPANY
SECURITY BULLETIN: HPSBUX0301-237
Originally issued: 17 Jan 2003
SSRT3454 Security Vulnerability in sort(1)
-----------------------------------------------------------------

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 filesystem mismangement in sort(1)

IMPACT:   Potential unauthorized access, denial of service.

PLATFORM: HP9000 Series 700/800 running HP-UX releases 10.XX,
         11.00, and 11.11 only.

SOLUTION: Apply the appropriate patch as listed below:
                PHCO_25918 for HP-UX 11.11
                PHCO_27565 for HP-UX 11.00
                PHCO_28467 for HP-UX 11.04
                PHCO_27564 for HP-UX 10.20
                PHCO_27940 for HP-UX 10.10
                PHCO_28142 for HP-UX 10.01

MANUAL ACTIONS: No

AVAILABILITY:  The patches are available now on <itrc.hp.com>.

 ------------------------------------------------------------------
A. Background
   Certain aspects of file handling are incorrect in sort(1).

 B. Recommended solution
   Retrieve and install the appropriate patch:
         PHCO_25918 for HP-UX 11.11
         PHCO_27565 for HP-UX 11.00
         PHCO_28467 for HP-UX 11.04
         PHCO_27564 for HP-UX 10.20
         PHCO_27940 for HP-UX 10.10
         PHCO_28142 for HP-UX 10.01

    The problem is fixed in HP-UX release 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
   at:

       <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://ftp.itrc.hp.com/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.

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

(c) Copyright 2002 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.

 ________________________________________________________________
--
-----End of Document ID:  HPSBUX0301-237--------------------------------------


Document ID:  HPSBUX0206-195
Date Loaded:  20020626
     Title:  Sec. Vulnerability in OpenSSH on HP-UX (Rev. 3)

TEXT






 -----------------------------------------------------------------
**REVISED 03**
Source: HEWLETT-PACKARD COMPANY
SECURITY BULLETIN:   HPSBUX0206-195
Originally issued: 27 June 2002
Last Revised: 17 January 2003

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

The information in the following Security Advisory 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 Advisory as
soon as possible.

 ------------------------------------------------------------------
PROBLEM:  OpenSSH input validation errors can cause faults from
         remote hosts in SSH protocol version 2.

PLATFORM: HP 9000 Servers running HP-UX release 11.00, and 11.11
         only with the T1471AA HP-UX Secure Shell product
         installed.

DAMAGE:   Possible privilege increases, from remote locations.

**REVISED 01**
SOLUTION: A new binary has been prepared and is available.

**REVISED 03**
MANUAL ACTIONS: Yes - Update
-->>            Install new binary version A.03.10.002 or
               subsequent, which can be
               found on <www.software.hp.com>
               under "Internet and Security solutions".

AVAILABILITY: The new HP-UX Secure Shell binary is available now
             (see below).
CHANGE SUMMARY: Revision 01 new binary available
               Revision 02 modify MANUAL ACTIONS field
               Revision 03 correct version, should be
                           A.03.10.002
------------------------------------------------------------------
A. Background
   Pursuant to the CERT Advisory CA-2002-18 on OpenSSH,
   Hewlett-Packard Company has learned of a defect in the
   code in SSH, product number T1471AA.


**REVISED 01**
B. Fixing the problem
--> HP has produced new binaries for its version which is based on
--> OpenSSH release 3.1p1, its newest version of HP-UX Secure Shell
--> (A.03.10.002).
--> To retrieve this free software go to <www.software.hp.com>, under
--> "Internet and Security solutions".

--> NOTE: While Virtualvault 4.6 includes OpenSSH version 3, it does
-->       not have the vulnerability mentioned in the CERT CA-2002-18.


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://ftp.itrc.hp.com/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:  HPSBUX0206-195--------------------------------------

If you have feedback, comments, or additional information about this vulnerability, please send us email.


CVSS Metrics

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A

References

Acknowledgements

Thanks to the Hewlett-Packard Company for providing HPSBUX0301-238, upon which this vulnerability note is based.

This document was written by Ian A Finlay.

Other Information

CVE IDs: None
Severity Metric: 11.25
Date Public: 2003-01-17
Date First Published: 2003-01-17
Date Last Updated: 2003-01-17 19:14 UTC
Document Revision: 5

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