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Category:   Application (Generic)  >   BIND Vendors:   ISC (Internet Software Consortium)
(HPE Issues Fix for HP-UX) BIND Input Validation Flaw in Control Channel Lets Remote Users Cause the Target Service to Crash
SecurityTracker Alert ID:  1035709
SecurityTracker URL:  http://securitytracker.com/id/1035709
CVE Reference:   CVE-2016-1285   (Links to External Site)
Date:  Apr 29 2016
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9.2.0 - 9.8.8, 9.9.0 - 9.9.8-P3, 9.9.3-S1 - 9.9.8-S5, 9.10.0 - 9.10.3-P3
Description:   A vulnerability was reported in BIND. A remote user can cause the target service to crash.

A remote user on a system specified in the 'named.conf' controls address list can send a specially crafted packet to the target rndc control channel to trigger a parsing error in 'sexpr.c' or 'alist.c' and cause denial of service conditions for clients.

Systems that accept remote commands on the control channel are affected.

Impact:   A remote user can cause denial of service conditions on the target service.
Solution:   HPE has issued a fix (9.9.4 for HP-UX B.11.31).

The HPE advisory is available at:

https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05087821

Vendor URL:  h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05087821 (Links to External Site)
Cause:   Input validation error
Underlying OS:  UNIX (HP/UX)
Underlying OS Comments:  11.31

Message History:   This archive entry is a follow-up to the message listed below.
Mar 10 2016 BIND Input Validation Flaw in Control Channel Lets Remote Users Cause the Target Service to Crash



 Source Message Contents

Subject:  [security bulletin] HPSBUX03583 SSRT110084 rev.1 - HP-UX BIND Service running Named, Remote Denial of Service (DoS)

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

Note: the current version of the following document is available here:
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_n
a-c05087821

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c05087821
Version: 1

HPSBUX03583 SSRT110084 rev.1 - HP-UX BIND Service running Named, Remote
Denial of Service (DoS)

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

Release Date: 2016-04-28
Last Updated: 2016-04-28

Potential Security Impact: Remote Denial of Service (DoS)

Source: Hewlett Packard Enterprise, Product Security Response Team

VULNERABILITY SUMMARY
Potential security vulnerabilities have been identified in the HP-UX BIND
service running named. These vulnerabilities could be exploited remotely to
create a Denial of Service (DoS).

References:

  - CVE-2016-1285
  - CVE-2016-1286
  - PSRT110084

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX BIND B.11.31 BIND 9.9.4 prior to C.9.9.4.7.0

BACKGROUND

CVSS 2.0 Base Metrics
===========================================================
  Reference              Base Vector             Base Score
CVE-2016-1285    (AV:N/AC:L/Au:N/C:N/I:N/A:C)       7.8
CVE-2016-1286    (AV:N/AC:L/Au:N/C:N/I:N/A:C)       7.8
===========================================================
             Information on CVSS is documented
            in HP Customer Notice: HPSN-2008-002

RESOLUTION

HPE has provided the following software updates to resolve the vulnerability
in the HP-UX BIND service running named.

  - BIND 9.9.4 for HP-UX Release B.11.31 (PA and IA)

    Depot: HP_UX_11.31_HPUX-NameServer_C.9.9.4.7.0_HP-UX_B.11.31_IA_PA.depot

  **Note:** The depot files can be found here:

  <https://h20392.www2.hpe.com/portal/swdepot/displayProductInfo.do?productNu
mber=BIND>

MANUAL ACTIONS: Yes - Update
Download and install the software update

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 Security Bulletins
issued by HPE 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://h20392.www2.hpe.com/portal/swdepot/displayProductInfo.do?productNumb
er=B6834AA>

The following text is for use by the HP-UX Software Assistant.

AFFECTED VERSIONS

HP-UX B.11.31 IA/PA
===================
NameService.BIND-AUX
NameService.BIND-RUN
action: install C.9.9.4.7.0 or subsequent

END AFFECTED VERSIONS

HISTORY
Version:1 (rev.1) - 28 April 2016 Initial release

Third Party Security Patches: Third party security patches that are to be
installed on systems running Hewlett Packard Enterprise (HPE) software
products should be applied in accordance with the customer's patch management
policy.

Support: For issues about implementing the recommendations of this Security
Bulletin, contact normal HPE Services support channel. For other issues about
the content of this Security Bulletin, send e-mail to security-alert@hpe.com.

Report: To report a potential security vulnerability with any HPE supported
product, send Email to: security-alert@hpe.com

Subscribe: To initiate a subscription to receive future HPE Security Bulletin
alerts via Email: http://www.hpe.com/support/Subscriber_Choice

Security Bulletin Archive: A list of recently released Security Bulletins is
available here: http://www.hpe.com/support/Security_Bulletin_Archive

Software Product Category: The Software Product Category is represented in
the title by the two characters following HPSB.

3C = 3COM
3P = 3rd Party Software
GN = HPE General Software
HF = HPE Hardware and Firmware
MU = Multi-Platform Software
NS = NonStop Servers
OV = OpenVMS
PV = ProCurve
ST = Storage Software
UX = HP-UX

Copyright 2016 Hewlett Packard Enterprise

Hewlett Packard Enterprise 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 Enterprise and the names of Hewlett Packard Enterprise products
referenced herein are trademarks of Hewlett Packard Enterprise 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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