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Category:   Application (Generic)  >   BIND Vendors:   ISC (Internet Software Consortium)
BIND 8 Buffer Overflow in q_usedns Array Lets Remote Users Deny Service
SecurityTracker Alert ID:  1012996
SecurityTracker URL:  http://securitytracker.com/id/1012996
CVE Reference:   CVE-2005-0033   (Links to External Site)
Date:  Jan 25 2005
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 8.4.4 and 8.4.5 only
Description:   A vulnerability was reported in BIND 8. A remote user can cause denial of service conditions.

The vendor reported that a remote user can trigger a buffer overflow in the q_usedns array. The array is used to track nameservers and addresses that have been queried.

Impact:   A remote user can cause denial of service conditions.
Solution:   The vendor has issued a fixed version (8.4.6), available at:

http://www.isc.org/sw/bind/

As a workaround, the vendor indicates that you can disable recursion and glue fetching.

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

Message History:   None.


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