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Category:   Device (Router/Bridge/Hub)  >   F5 BIG-IP Vendors:   F5 Networks
(F5 Issues Fix for BIG-IP) BIND NULL rdata Field Processing Flaw Lets Remote Users Deny Service and Obtain Potentially Sensitive Information
SecurityTracker Alert ID:  1027159
SecurityTracker URL:  http://securitytracker.com/id/1027159
CVE Reference:   CVE-2012-1667   (Links to External Site)
Date:  Jun 13 2012
Impact:   Denial of service via network, Disclosure of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  

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

When a DNS resource record rdata field is zero length, the server may crash or disclose potentially sensitive information.

On recursive servers, the server may crash or disclose some portion of memory.

On secondary servers, the server may crash on restart after transferring a zone containing affected records.

On master servers, the server may corrupt zone data if the zone option "auto-dnssec" is set to "maintain".

Dan Luther, Level3 Communications, reported this vulnerability.

Impact:   A remote user can cause denial of service conditions.

A remote user can obtain potentially sensitive information.

Solution:   F5 has issued a fix for F5 BIG-IP.

F5 has assigned ID 387843 to this vulnerability.

The F5 advisory is available at:

http://support.f5.com/kb/en-us/solutions/public/13000/600/sol13660.html

Vendor URL:  www.isc.org/software/bind/advisories/cve-2012-1667 (Links to External Site)
Cause:   Access control error, State error

Message History:   This archive entry is a follow-up to the message listed below.
Jun 4 2012 BIND NULL rdata Field Processing Flaw Lets Remote Users Deny Service and Obtain Potentially Sensitive Information



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