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Category:   Application (Generic)  >   BIND Vendors:   ISC (Internet Software Consortium)
BIND Memory Deference Bug Lets Remote Users Crash the Name Server
SecurityTracker Alert ID:  1017561
SecurityTracker URL:  http://securitytracker.com/id/1017561
CVE Reference:   CVE-2007-0493   (Links to External Site)
Updated:  Jan 31 2007
Original Entry Date:  Jan 25 2007
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 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 'named' service to dereference a freed fetch context and potentially crash.

The following versions are affected:

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:   The vendor has issued fixed versions (9.2.8, 9.3.4, and 9.4.0rc2).

The fix will be included in the upcoming BIND 9.5.0a2 release.

Vendor URL:  www.isc.org/ (Links to External Site)
Cause:   State error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Feb 12 2007 (FreeBSD Issues Fix) BIND Memory Deference Bug Lets Remote Users Crash the Name Server
FreeBSD has released a fix for named(8).
Mar 9 2007 (NetBSD Issues Fix) BIND Memory Deference Bug Lets Remote Users Crash the Name Server
NetBSD has released a fix.
Mar 14 2007 (Red Hat Issues Fix) BIND Memory Deference Bug Lets Remote Users Crash the Name Server
Red Hat has released a fix for Red Hat Enterprise Linux 5.
Apr 16 2007 (HP Issues Fix for Tru64 UNIX) BIND Memory Deference Bug Lets Remote Users Crash the Name Server
HP has issued a fix for HP Tru64 UNXI 4.0F PK8, 4.0G PK4, 5.1A PK6, 5.1B-3, and 5.1B-4.
May 24 2007 (Apple Issues Fix) BIND Memory Deference Bug Lets Remote Users Crash the Name Server
Apple has released a fix for Mac OS X.
Jun 12 2007 (HP Issues Fix for HP-UX) BIND Memory Deference Bug Lets Remote Users Crash the Name Server
HP has issued a fix for BIND on HP-UX 11.11 and 11.23.
Jan 29 2016 (HP Issues Fix for OpenVMS) BIND Memory Deference Bug Lets Remote Users Crash the Name Server
HP has issued a fix for OpenVMS.



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