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Category:   Application (Generic)  >   BIND Vendors:   ISC (Internet Software Consortium)
BIND RPZ Rule Processing Bug Lets Remote Users Deny Service
SecurityTracker Alert ID:  1038692
SecurityTracker URL:  http://securitytracker.com/id/1038692
CVE Reference:   CVE-2017-3140   (Links to External Site)
Updated:  Jun 15 2017
Original Entry Date:  Jun 15 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9.9.10, 9.10.5, 9.11.0 - 9.11.1, 9.9.10-S1, 9.10.5-S1
Description:   A vulnerability was reported in BIND. A remote user can cause denial of service conditions on the target system.

A remote user can send a specially crafted query to trigger an error in processing Response Policy Zones (RPZ) rules and cause the target service to enter an endless loop and repeatedly query a set of authoritative nameservers. A remote user can repeat this process to cause denial of service conditions on the target system.

Systems configured to use RPZ and that use NSDNAME or NSIP policy rules are affected.

Oli Schacher of Switch reported this vulnerability.

Impact:   A remote user can cause denial of service conditions.
Solution:   The vendor has issued a fix (9.9.10-P1, 9.10.5-P1, 9.11.1-P1).

The vendor advisory is available at:

https://kb.isc.org/article/AA-01495/74/CVE-2017-3140

Vendor URL:  kb.isc.org/article/AA-01495/74/CVE-2017-3140 (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.
Sep 6 2017 (HPE Issues Fix) BIND RPZ Rule Processing Bug Lets Remote Users Deny Service
HPE has issued a fix for HP-UX B.11.31.



 Source Message Contents

Subject:  https://kb.isc.org/article/AA-01495/74/CVE-2017-3140

 
 


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