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Category:   Application (Generic)  >   BIND Vendors:   ISC (Internet Software Consortium)
BIND 'deny-answer-aliases' Bug Lets Remote Users Cause the Target 'named' Service to Crash
SecurityTracker Alert ID:  1041436
SecurityTracker URL:  http://securitytracker.com/id/1041436
CVE Reference:   CVE-2018-5740   (Links to External Site)
Date:  Aug 8 2018
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9.7.0 - 9.8.8, 9.9.0 - 9.9.13, 9.10.0 - 9.10.8, 9.11.0 - 9.11.4, 9.12.0 - 9.12.2, 9.13.0 - 9.13.2
Description:   A vulnerability was reported in BIND. A remote user can cause the target service to crash.

A remote user can trigger an INSIST assertion failure in 'name.c', causing the 'named' service to stop processing.

Systems that use the "deny-answer-aliases" feature are affected.

Tony Finch of the University of Cambridge reported this vulnerability.

Impact:   A remote user can cause the target service to crash.
Solution:   The vendor has issued a fix (9.9.13-P1, 9.10.8-P1, 9.11.4-P1, 9.12.2-P1; Preview Edition 9.11.3-S3).

The vendor advisory is available at:

https://kb.isc.org/article/AA-01639/0

Vendor URL:  kb.isc.org/article/AA-01639/0 (Links to External Site)
Cause:   State error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


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