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Category:   Application (Generic)  >   BIND Vendors:   ISC (Internet Software Consortium)
(OpenBSD Issues Fix) BIND Query Processing Bugs Let Remote Users Deny Service
SecurityTracker Alert ID:  1016818
SecurityTracker URL:  http://securitytracker.com/id/1016818
CVE Reference:   CVE-2006-4095, CVE-2006-4096   (Links to External Site)
Date:  Sep 8 2006
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9.3.2 and prior versions
Description:   A vulnerability was reported in BIND. A remote user can cause denial of service conditions.

A remote user (DNS server) can send specially crafted RRset responses in return to a recursive SIG query to cause the requesting named service to crash [CVE-2006-4095].

A remote user can also send specially crafted queries to trigger an INSIST failure and cause the requesting service(s) to crash [CVE-2006-4096].

Impact:   A remote user can cause the target named service to crash.
Solution:   OpenBSD has issued the following patches:

ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/010_bind.patch
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/015_bind.patch

Vendor URL:  www.isc.org/sw/bind/ (Links to External Site)
Cause:   Exception handling error, Input validation error
Underlying OS:  UNIX (OpenBSD)
Underlying OS Comments:  3.8, 3.9

Message History:   This archive entry is a follow-up to the message listed below.
Sep 5 2006 BIND Query Processing Bugs Let Remote Users Deny Service



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