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Category:   Application (Generic)  >   BIND Vendors:   ISC (Internet Software Consortium)
(HP Issues Fix) ISC BIND TKEY Query Processing Flaw Lets Remote Users Cause the Target Service to Crash
SecurityTracker Alert ID:  1033634
SecurityTracker URL:  http://securitytracker.com/id/1033634
CVE Reference:   CVE-2015-5477   (Links to External Site)
Date:  Sep 22 2015
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9.1.0 - 9.8.x, 9.9.0 - 9.9.7-P1, 9.10.0 - 9.10.2-P2
Description:   A vulnerability was reported in ISC BIND. A remote user can cause the target service to crash.

A remote user can send a specially crafted TKEY query packet to trigger a REQUIRE assertion failure and cause the named service to crash. The flaw occurs prior to the access control list checks.

Recursive and authoritative servers are affected.

Jonathan Foote reported this vulnerability.

Impact:   A remote user can cause the target named service to crash.
Solution:   HP has issued a fix.

The HP advisory is available at:

https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04800156

Vendor URL:  h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04800156 (Links to External Site)
Cause:   Exception handling 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.
Jul 29 2015 ISC BIND TKEY Query Processing Flaw Lets Remote Users Cause the Target Service to Crash



 Source Message Contents

Subject:  [security bulletin] HPSBUX03511 SSRT102248 rev.1 - HP-UX BIND service running named, Remote Denial of Service (DoS)

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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_na-c04800156

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c04800156
Version: 1

HPSBUX03511 SSRT102248 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: 2015-09-21
Last Updated: 2015-09-21

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 in the HP-UX BIND
service running named. This vulnerability could be exploited remotely to
create a Denial of Service (DoS).

References:

CVE-2015-5722
CVE-2015-5477
SSRT102248

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.31 BIND 9.7.3 prior to C.9.7.3.8.0 (named)

BACKGROUND

CVSS 2.0 Base Metrics
===========================================================
  Reference              Base Vector             Base Score
CVE-2015-5722    (AV:N/AC:L/Au:N/C:N/I:N/A:C)       7.8
CVE-2015-5477    (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

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

BIND 9.7.3 for HP-UX Release
 Depot Name
 Download location

B.11.31 (PA and IA)
 HP_UX_11.31_HPUX-NameServer_C.9.7.3.8.0_HP-UX_B.11.31_IA_PA.depot
 https://h20392.www2.hp.com/portal/swdepot/displayProductInfo.do?productNumbe
r=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 HP 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

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

AFFECTED VERSIONS

HP-UX B.11.31
==================
NameService.BIND-AUX
NameService.BIND-RUN
action: install revision C.9.7.3.8.0 or subsequent

END AFFECTED VERSIONS

HISTORY
Version:1 (rev.1) - 21 September 2015 Initial release

Third Party Security Patches: Third party security patches that are to be
installed on systems running HP 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 HP Services support channel.  For other issues about
the content of this Security Bulletin, send e-mail to security-alert@hp.com.

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

Subscribe: To initiate a subscription to receive future HP Security Bulletin
alerts via Email:
http://h41183.www4.hp.com/signup_alerts.php?jumpid=hpsc_secbulletins

Security Bulletin Archive: A list of recently released Security Bulletins is
available here:
https://h20564.www2.hp.com/portal/site/hpsc/public/kb/secBullArchive/

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 = HP General Software
HF = HP Hardware and Firmware
MP = MPE/iX
MU = Multi-Platform Software
NS = NonStop Servers
OV = OpenVMS
PI = Printing and Imaging
PV = ProCurve
ST = Storage Software
TU = Tru64 UNIX
UX = HP-UX

Copyright 2015 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 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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