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Category:   Application (Generic)  >   BIND Vendors:   ISC (Internet Software Consortium)
(HP Issues Fix for Tru64 UNIX) BIND DNSSEC Validation Bug Lets Remote Users Deny Service
SecurityTracker Alert ID:  1017920
SecurityTracker URL:  http://securitytracker.com/id/1017920
CVE Reference:   CVE-2007-0494   (Links to External Site)
Date:  Apr 16 2007
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in BIND. A remote user can cause denial of service conditions.

A remote user can send specially crafted data to cause the target service to crash. A type * (ANY) DNS query that results in a response with multiple RRsets can trigger this flaw in the DNSSEC validation code.

The following versions are affected:

BIND 9.0.x
BIND 9.1.x
BIND 9.2.0, 9.2.1, 9.2.2, 9.2.3, 9.2.4, 9.2.5, 9.2.6, 9.2.7
BIND 9.3.0, 9.3.1, 9.3.2, 9.3.3
BIND 9.4.0a1, 9.4.0a2, 9.4.0a3, 9.4.0a4, 9.4.0a5, 9.4.0a6, 9.4.0b1, 9.4.0b2, 9.4.0b3, 9.4.0b4, 9.4.0rc1
BIND 9.5.0a1 (Bind Forum only)

Impact:   A remote user can cause the target name service to crash.
Solution:   HP has issued the following fixes.

HP Tru64 UNIX Version 5.1B-4 ERP Kit

Location: http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1001167-V51BB27-ES-20070321

Name: T64KIT1001167-V51BB27-ES-20070321

MD5 Checksum: a697a90bd0b1116b6f27d1100bbf81fd

HP Tru64 UNIX Version 5.1B-3 ERP Kit

Location: http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1001163-V51BB26-ES-20070315

Name: T64KIT1001163-V51BB26-ES-20070315

MD5 Checksum: d376d403176f0dbe7badd4df4e91c126

HP Tru64 UNIX Version 5.1A PK6 ERP Kit

Location: http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1001160-V51AB24-ES-20070314

Name: T64KIT1001160-V51AB24-ES-20070314

MD5 Checksum: 7bb43ef667993f7c4711b6cf978e0aa7

HP Tru64 UNIX Version 4.0G PK4 ERP Kit

Location: http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1001166-V40GB22-ES-20070316

Name: T64KIT1001166-V40GB22-ES-20070316

MD5 Checksum: a446c39169b769c4a03c654844d5ac45

HP Tru64 UNIX Version 4.0F PK8 ERP Kit

Location: http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=DUXKIT1001165-V40FB22-ES-20070316

Name: DUXKIT1001165-V40FB22-ES-20070316

MD5 Checksum: 718148c87a913536b32a47af4c36b04e

Internet Express (IX) v 6.6 BIND

HP indicates that customers who use Internet Express (IX) v 6.6 BIND should install the BIND 9.2.8 patch from the ERP kit appropriate for their base operating system version.

The HP advisory is available at:

http://www2.itrc.hp.com/service/cki/docDisplay.do?docId=c00967144

Vendor URL:  www.isc.org/ (Links to External Site)
Cause:   State error
Underlying OS:  UNIX (Tru64)
Underlying OS Comments:  4.0F PK8, 4.0G PK4, 5.1A PK6, 5.1B-3, 5.1B-4

Message History:   This archive entry is a follow-up to the message listed below.
Jan 30 2007 BIND DNSSEC Validation Bug Lets Remote Users Deny Service



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