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Category:   Device (Router/Bridge/Hub)  >   F5 BIG-IP Vendors:   F5 Networks
F5 BIG-IP ASM Proactive Bot Defense HTTP Header Processing Bug Lets Remote Users Cause the Target System to Crash
SecurityTracker Alert ID:  1037275
SecurityTracker URL:  http://securitytracker.com/id/1037275
CVE Reference:   CVE-2016-7472   (Links to External Site)
Date:  Nov 11 2016
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): ASM 12.1.0 - 12.1.1
Description:   A vulnerability was reported in F5 BIG-IP ASM. A remote user can cause the target service to restart.

A remote user can send a specially crafted HTTP header to cause the target Traffic Management Microkernel (TMM) to restart. The TMM will not process traffic until it is restarted.

Systems with Proactive Bot Defense configured are affected.

The vendor has assigned ID 598294 to this vulnerability.

Impact:   A remote user can cause the target TMM to restart, temporarily preventing traffic from being processed.
Solution:   The vendor has issued a fix (ASM 12.1.1 HF1).

The vendor advisory is available at:

https://support.f5.com/kb/en-us/solutions/public/k/17/sol17119920.html

Vendor URL:  support.f5.com/kb/en-us/solutions/public/k/17/sol17119920.html (Links to External Site)
Cause:   State error

Message History:   None.


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