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Category:   OS (UNIX)  >   HP-UX Vendors:   HP (Compaq)
HP-UX Kernel Bug Lets Local Users Deny Service
SecurityTracker Alert ID:  1016135
SecurityTracker URL:  http://securitytracker.com/id/1016135
CVE Reference:   CVE-2006-2551   (Links to External Site)
Updated:  Jul 12 2006
Original Entry Date:  May 22 2006
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): B.11.00, B.11.04
Description:   A vulnerability was reported in HP-UX. A local user can cause denial of service conditions.

A local user can exploit an unspecified flaw in the HP-UX kernel to cause denial of service conditions on the target system.

Impact:   A local user can cause denial of service conditions on the target system.
Solution:   HP has issued a patch, available at:

http://itrc.hp.com

B.11.00 - PHKL_34406 or subsequent
B.11.04 - PHKL_34940 or subsequent

The HP advisory is available at:

http://www2.itrc.hp.com/service/cki/docDisplay.do?docId=c00676467

Vendor URL:  www2.itrc.hp.com/service/cki/docDisplay.do?docId=c00676467 (Links to External Site)
Cause:   Not specified
Underlying OS:  

Message History:   None.


 Source Message Contents

Date:  Mon, 22 May 2006 06:40:02 -0700
Subject:  [security bulletin] HPSBUX02120 SSRT051057 rev.1 - HP-UX Local Denial

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c00676467
Version: 1

HPSBUX02120 SSRT051057 rev.1 - HP-UX Local Denial of Service (DoS)

NOTICE: The information in this Security Bulletin should be acted upon 
as soon as possible.

Release Date: 2006-05-17
Last Updated: 2006-05-17

Potential Security Impact: Denial of Service (DoS)

Source: Hewlett-Packard Company, HP Software Security Response Team

VULNERABILITY SUMMARY
A potential security vulnerability has been identified in the HP-UX kernel.
The potential vulnerability could be exploited by a local authorized user
to create a Denial of Service (DoS).

References: none 

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.00

BACKGROUND 

To determine if an HP-UX system has an affected version, search the output of 
"swlist -a revision -l fileset" for one of the filesets listed below. For affected 
systems verify that the recommended action has been taken. 

AFFECTED VERSIONS

HP-UX B.11.00
===========
OS-Core.CORE2-KRN
action: install PHKL_34406 or subsequent

END AFFECTED VERSIONS



RESOLUTION
HP has made the following patch available to resolve the issue.
The patch is available from http://itrc.hp.com

B.11.00 - PHKL_34406 or subsequent

PRODUCT SPECIFIC INFORMATION
HP-UX Security Patch Check: Security Patch Check revision B.02.00 analyzes all 
HP-issued Security Bulletins to provide a subset of recommended actions that 
potentially affect a specific HP-UX system. For more information: http://software.hp.com/portal/swdepot/displayProductInfo.do? productNumber=B6834AA

MANUAL ACTIONS: No

HISTORY: Version: 1 (rev.1) 17 May 2006 Initial release

Support: For further information, contact normal HP Services
support channel.

Report: To report a potential security vulnerability with any HP
supported product, send Email to: security-alert@hp.com.  It is
strongly recommended that security related information being
communicated to HP be encrypted using PGP, especially exploit
information.  To get the security-alert PGP key, please send an
e-mail message as follows:
  To: security-alert@hp.com
  Subject: get key

Subscribe: To initiate a subscription to receive future HP
Security Bulletins via Email:
http://h30046.www3.hp.com/driverAlertProfile.php?regioncode=NA&
langcode=USENG&jumpid=in_SC-GEN__driverITRC&topiccode=ITRC

On the web page: ITRC security bulletins and patch sign-up
Under Step1: your ITRC security bulletins and patches
  - check ALL categories for which alerts are required and
    continue.
Under Step2: your ITRC operating systems
  - verify your operating system selections are checked and
    save.

To update an existing subscription:
http://h30046.www3.hp.com/subSignIn.php
Log in on the web page:
  Subscriber's choice for Business: sign-in.
On the web page:
  Subscriber's Choice: your profile summary
    - use Edit Profile to update appropriate sections.

To review previously published Security Bulletins visit:
http://www.itrc.hp.com/service/cki/secBullArchive.do

* The Software Product Category that this Security Bulletin
relates to is represented by the 5th and 6th characters of the
Bulletin number in the title:

    GN = HP General SW,
    MA = HP Management Agents,
    MI = Misc. 3rd party SW,
    MP = HP MPE/iX,
    NS = HP NonStop Servers,
    OV = HP OpenVMS,
    PI = HP Printing & Imaging,
    ST = HP Storage SW,
    TL = HP Trusted Linux,
    TU = HP Tru64 UNIX,
    UX = HP-UX,
    VV = HP Virtual Vault


System management and security procedures must be reviewed
frequently to maintain system integrity. HP is continually
reviewing and enhancing the security features of software products
to provide customers with current secure solutions.

"HP is broadly distributing this Security Bulletin in order to
bring to the attention of users of the affected HP products the
important security information contained in this Bulletin. HP
recommends that all users determine the applicability of this
information to their individual situations and take appropriate
action. HP does not warrant that this information is necessarily
accurate or complete for all user situations and, consequently, HP
will not be responsible for any damages resulting from user's use
or disregard of the information provided in this Bulletin. To the
extent permitted by law, HP disclaims all warranties, either
express or implied, including the warranties of merchantability
and fitness for a particular purpose, title and non-infringement."


(c)Copyright 2006 Hewlett-Packard Development Company, L.P.
Hewlett-Packard Company shall not be liable for technical or
editorial errors or omissions contained herein. The information
provided is provided "as is" without warranty of any kind. To the
extent permitted by law, neither HP nor its affiliates,
subcontractors or suppliers will be liable for incidental, special
or consequential damages including downtime cost; lost profits;
damages relating to the procurement of substitute products or
services; or damages for loss of data, or software restoration.
The information in this document is subject to change without
notice. Hewlett-Packard Company and the names of Hewlett-Packard
products referenced herein are trademarks of Hewlett-Packard
Company in the United States and other countries. Other product
and company names mentioned herein may be trademarks of their
respective owners.
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=0zTL
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