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Category:   Application (Generic)  >   BIND Vendors:   ISC (Internet Software Consortium)
(HP Issues Fix for HP-UX) BIND DNSSEC Validation Bug Lets Remote Users Deny Service
SecurityTracker Alert ID:  1018229
SecurityTracker URL:  http://securitytracker.com/id/1018229
CVE Reference:   CVE-2007-0494   (Links to External Site)
Date:  Jun 12 2007
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9.0.x, 9.1.x, 9.2.0 - 9.2.7, 9.3.0 - 9.3.3, 9.4.x prior to 9.4.0rc2
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.

BIND v9.2.0, HP-UX B.11.11:

revision B.11.11.01.009 or subsequent (see advisory for download instructions)

BIND v9.2.0, HP-UX B.11.23:

PHNE_35920 or subsequent (available at: http://itrc.hp.com)

BIND v9.3.2, HP-UX B.11.11:

revision C.9.3.2.1.0 or subsequent (available at: http://www.hp.com/go/softwaredepot)

BIND v9.3.2, HP-UX B.11.23:

revision C.9.3.2.1.0 or subsequent (available at: http://www.hp.com/go/softwaredepot)

The HP advisory is available at:

https://www2.itrc.hp.com/service/cki/docDisplay.do?docId=c01070495

Vendor URL:  www.isc.org/ (Links to External Site)
Cause:   State error
Underlying OS:  UNIX (HP/UX)
Underlying OS Comments:  11.11, 11.23

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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