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Category:   Application (Generic)  >   DCE Vendors:   HPE
HP-UX DCE Bug in sw_rpc_agent_init() Lets Remote Users Deny Service
SecurityTracker Alert ID:  1019098
SecurityTracker URL:  http://securitytracker.com/id/1019098
CVE Reference:   CVE-2007-6195   (Links to External Site)
Updated:  Dec 18 2007
Original Entry Date:  Dec 13 2007
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in DCE on HP-UX. A remote user can cause denial of service conditions.

A remote user can send specially crafted data to cause denial of service conditions on the target DCE-based service.

The vulnerability resides in the sw_rpc_agent_init() function in 'swagentd'.

The vendor was notified on July 20, 2007.

Tenable Network Security reported this vulnerability via TippingPoint.

Impact:   A remote user can cause denial of service conditions.
Solution:   The vendor has issued the following patches, available at:

http://itrc.hp.com

HP-UX B.11.11 (11i v1)
PHSS_36004 or subsequent

HP-UX B.11.23 (11i v2)
PHSS_36005 or subsequent

The HP advisory is available at:

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01294212

Vendor URL:  h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01294212 (Links to External Site)
Cause:   Not specified
Underlying OS:  UNIX (HP/UX)

Message History:   None.


 Source Message Contents

Subject:  [security bulletin] HPSBUX02294 SSRT071451 rev.1 - HP-UX Running DCE, Remote Denial of Service (DoS)

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

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c01294212
Version: 1

HPSBUX02294 SSRT071451 rev.1 - HP-UX Running DCE, Remote Denial of Service (DoS)

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

Release Date: 2007-12-12
Last Updated: 2007-12-12

Potential Security Impact: Remote Denial of Service (DoS)

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

VULNERABILITY SUMMARY
A potential security vulnerability has been identified with HP-UX applications running DCE such as Software Distributor (SD). The
 vulnerability could be exploited remotely to create a denial of service (DoS).

References: CVE-2007-6195, ZDI-07-079

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.11 and B.11.23

BACKGROUND

The Hewlett-Packard Company thanks Tenable Network Security, working with Zero Day Initiative at TippingPoint for reporting this vulnerability
 to security-alert@hp.com. 

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.11.11 
============== 
DCE-Core.DCEC-ENG-A-MAN 
DCE-Core.DCE-CORE-DTS 
DCE-Core.DCE-CORE-RUN 
DCE-Core.DCE-CORE-SHLIB 
DCE-Core.DCE-COR-64SLIB 
action: install patch PHSS_36004 or subsequent 

HP-UX B.11.23 
============== 
DCE-Core.DCE-CORE-DTS 
DCE-Core.DCE-CORE-RUN 
DCE-Core.DCE-COR-PA-RUN 
DCE-Core.DCE-COR-IA-RUN 
DCE-Core.DCE-COR-64SLIB 
DCE-Core.DCE-COR-64SLIB 
DCE-Core.DCE-CORE-SHLIB 
DCE-Core.DCE-CORE-SHLIB 
DCE-Core.DCE-IA64-SHLIB 
DCE-Core.DCEC-ENG-A-MAN 
DCE-CoreTools.DCE-BPRG 
DCE-CoreTools.DCEP-ENG-A-MAN 
action: install patch PHSS_36005 or subsequent 

END AFFECTED VERSIONS 

RESOLUTION

HP is providing the following patches to resolve the vulnerability. 
The updates are available from: http://itrc.hp.com 

OS Release 
 Patch ID 
 
HP-UX B.11.11 (11i v1)
 PHSS_36004 or subsequent
 
HP-UX B.11.23 (11i v2)
 PHSS_36005 or subsequent
 

MANUAL ACTIONS: No 

PRODUCT SPECIFIC INFORMATION 

HP-UX Software Assistant: HP-UX Software Assistant is an enhanced application that replaces HP-UX Security Patch Check. It analyzes
 all HP-issued Security Bulletins and lists recommended actions that may apply to a specific HP-UX system. It can also download patches
 and create a depot automatically. For more information see: https://www.hp.com/go/swa 

HISTORY 
Version 1 (rev.1) - 12 December 2007 Initial Release 

Third Party Security Patches: Third party security patches which are to be installed on systems running HP software products should
 be applied in accordance with the customer's patch management policy. 



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 VirtualVault


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."


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 or 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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