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Category:   Device (Router/Bridge/Hub)  >   F5 BIG-IP Vendors:   F5 Networks
(F5 Issues Fix for BIG-IP) ISC BIND RDATA Processing Flaw Lets Remote Users Deny Service
SecurityTracker Alert ID:  1028115
SecurityTracker URL:
CVE Reference:   CVE-2012-4244   (Links to External Site)
Date:  Feb 12 2013
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  

Description:   A vulnerability was reported in ISC BIND. A remote user can cause denial of service conditions. F5 BIG-IP is affected.

A remote user can send a query for a record that has RDATA in excess of 65535 bytes to cause named to exit.

This can be exploited against recursive servers by causing the server to query for records provided by an authoritative server.

Authoritative servers are affected if a zone containing a specially crafted resource record is loaded from file or provided via zone transfer.

Impact:   A remote user can cause the target named service to crash.
Solution:   F5 has issued a fix for F5 BIG-IP (10.2.4 HF5, 11.2.0 HF3, 11.2.1 HF2, 11.3.0).

The F5 advisory is available at:

Cause:   State error

Message History:   This archive entry is a follow-up to the message listed below.
Sep 13 2012 ISC BIND RDATA Processing Flaw Lets Remote Users Deny Service

 Source Message Contents

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