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Category:   Device (Router/Bridge/Hub)  >   F5 BIG-IP Vendors:   F5 Networks
F5 BIG-IP TLS Handshake Processing Flaw Lets Remote Users Deny Service
SecurityTracker Alert ID:  1041017
SecurityTracker URL:  http://securitytracker.com/id/1041017
CVE Reference:   CVE-2018-5513   (Links to External Site)
Date:  Jun 1 2018
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 11.x, 12.x, 13.x
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 data during a Transport Layer Security (TLS) handshake to cause the target Traffic Management Microkernel (TMM) to stop responding.

Systems with a Proxy SSL configuration enabled are affected.

The control plane is not affected.


Impact:   A remote user can cause denial of service conditions on the target data plane.
Solution:   F5 has issued a fix (11.5.6, 11.6.3.2, 12.1.3.4, 13.0.1, 13.1.0.4).

The F5 advisory is available at:

https://support.f5.com/csp/#/article/K46940010

Vendor URL:  support.f5.com/csp/article/K46940010 (Links to External Site)
Cause:   Not specified

Message History:   None.


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