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Category:   Application (Generic)  >   BIND Vendors:   ISC (Internet Software Consortium)
(Solaris Issues Fix) BIND DNSSEC Validation Bug Lets Remote Users Deny Service
SecurityTracker Alert ID:  1018262
SecurityTracker URL:  http://securitytracker.com/id/1018262
CVE Reference:   CVE-2007-0494   (Links to External Site)
Date:  Jun 18 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:   Sun has issued the following fix.

SPARC Platform

* Solaris 10 with patch 119783-02 or later

x86 Platform

* Solaris 10 with patch 119784-02 or later

The Sun advisory is available at:

http://sunsolve.sun.com/search/document.do?assetkey=1-26-102969-1

Vendor URL:  www.isc.org/ (Links to External Site)
Cause:   State error
Underlying OS:  UNIX (Solaris - SunOS)
Underlying OS Comments:  10

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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