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Category:   Application (Generic)  >   BIND Vendors:   ISC (Internet Software Consortium)
(IBM Issues Fix for IBM AIX) ISC BIND TKEY Query Processing Flaw Lets Remote Users Cause the Target Service to Crash
SecurityTracker Alert ID:  1033277
SecurityTracker URL:  http://securitytracker.com/id/1033277
CVE Reference:   CVE-2015-5477   (Links to External Site)
Updated:  Aug 18 2015
Original Entry Date:  Aug 14 2015
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9.1.0 - 9.8.x, 9.9.0 - 9.9.7-P1, 9.10.0 - 9.10.2-P2
Description:   A vulnerability was reported in ISC BIND. A remote user can cause the target service to crash.

A remote user can send a specially crafted TKEY query packet to trigger a REQUIRE assertion failure and cause the named service to crash. The flaw occurs prior to the access control list checks.

Recursive and authoritative servers are affected.

Jonathan Foote reported this vulnerability.

Impact:   A remote user can cause the target named service to crash.
Solution:   IBM has issued a fix (APARs IV75692, IV75693).

The IBM advisory is available at:

https://aix.software.ibm.com/aix/efixes/security/bind9_advisory8.asc

Vendor URL:  aix.software.ibm.com/aix/efixes/security/bind9_advisory8.asc (Links to External Site)
Cause:   Exception handling error
Underlying OS:  UNIX (AIX)
Underlying OS Comments:  5.3, 6.1, 7.1

Message History:   This archive entry is a follow-up to the message listed below.
Jul 29 2015 ISC BIND TKEY Query Processing Flaw Lets Remote Users Cause the Target Service to Crash



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