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Category:   Device (Router/Bridge/Hub)  >   F5 BIG-IP Vendors:   F5 Networks
F5 BIG-IP Unspecified Flaw in Traffic Management Operating System (TMOS) Lets Remote Users Deny Service
SecurityTracker Alert ID:  1040562
SecurityTracker URL:
CVE Reference:   CVE-2018-5509   (Links to External Site)
Date:  Mar 22 2018
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in F5 BIG-IP. A remote user can cause denial of service conditions on the target system.

A remote user can send specially crafted traffic to trigger a flaw in the Traffic Management Operating System (TMOS) and cause the target Traffic Management Microkernel (TMM) to crash.

Systems with a virtual server in a specific and uncommon configuration are affected.

Systems with a virtual server configured to process non-TCP protocols, use a fastL4 Protocol profile, and use the Hash persistence, HTTP, and/or FIX profile types are affected.

Impact:   A remote user can cause denial of service conditions.
Solution:   F5 has issued a fix that prevents the vulnerable configuration from being applied (, 13.1.0).

The F5 advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Not specified

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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