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Category:   Application (Generic)  >   BIND Vendors:   ISC (Internet Software Consortium)
(HP Issues Patch Kits for OpenVMS) BIND Generates Predictable Query IDs That May Facilitate Cache Poisoning Attacks
SecurityTracker Alert ID:  1018730
SecurityTracker URL:  http://securitytracker.com/id/1018730
CVE Reference:   CVE-2007-2926   (Links to External Site)
Date:  Sep 22 2007
Impact:   Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9.0.x, 9.1.x, 9.2.0, 9.2.1, 9.2.2, 9.2.3, 9.2.4, 9.2.5, 9.2.6, 9.2.7, 9.2.8, 9.3.0, 9.3.1, 9.3.2, 9.3.3, 9.3.4, 9.4.0, 9.4.1, 9.5.0a1, 9.5.0a2, 9.5.0a3, 9.5.0a4, 9.5.0a5
Description:   A vulnerability was reported in BIND. A remote user can conduct cache poisoning attacks.

The system generates query IDs that have a 1 out of 8 chance of being guessed for half of the query IDs. A remote user may be able to exploit this to conduct cache poisoning attacks.

Only outgoing queries are affected.

Amit Klein from Trusteer (www.trusteer.com) discovered this vulnerability.

Impact:   A remote user can conduct cache poisoning attacks.
Solution:   HP has issued patch kits, available to customers via their standard HP support channels through the HP Customer Support Center.

The HP advisory is available at:

https://www2.itrc.hp.com/service/cki/docDisplay.do?docId=c01174368

Vendor URL:  www.isc.org/ (Links to External Site)
Cause:   Randomization error
Underlying OS:  OpenVMS
Underlying OS Comments:  5.4, 5.5, 5.6

Message History:   This archive entry is a follow-up to the message listed below.
Jul 24 2007 BIND Generates Predictable Query IDs That May Facilitate Cache Poisoning Attacks



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