high
7.5
CWE
20
Advisory Published
Updated

CVE-2016-7475: Input Validation

First published: Mon Oct 08 2018(Updated: )

Under some circumstances on BIG-IP 12.0.0-12.1.0, 11.6.0-11.6.1, or 11.4.0-11.5.4 HF1, the Traffic Management Microkernel (TMM) may not properly clean-up pool member network connections when using SPDY or HTTP/2 virtual server profiles.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 BIG-IP Access Policy Manager>=11.4.0<=11.6.1
F5 BIG-IP Access Policy Manager>=12.0.0<=12.1.0
F5 BIG-IP Advanced Firewall Manager>=11.4.0<=11.6.1
F5 BIG-IP Advanced Firewall Manager>=12.0.0<=12.1.0
F5 Big-ip Application Acceleration Manager>=11.4.0<=11.6.1
F5 Big-ip Application Acceleration Manager>=12.0.0<=12.1.0
F5 BIG-IP Application Security Manager>=11.4.0<=11.6.1
F5 BIG-IP Application Security Manager>=12.0.0<=12.1.0
F5 Big-ip Link Controller>=11.4.0<=11.6.1
F5 Big-ip Link Controller>=12.0.0<=12.1.0
F5 Big-ip Local Traffic Manager>=11.4.0<=11.6.1
F5 Big-ip Local Traffic Manager>=12.0.0<=12.1.0
F5 Big-ip Policy Enforcement Manager>=11.4.0<=11.6.1
F5 Big-ip Policy Enforcement Manager>=12.0.0<=12.1.0
F5 Big-ip Protocol Security Module>=11.4.0<=11.4.1

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2016-7475?

    The severity of CVE-2016-7475 is high.

  • Which software versions are affected by CVE-2016-7475?

    CVE-2016-7475 affects F5 Big-ip Access Policy Manager, F5 Big-ip Advanced Firewall Manager, F5 Big-ip Application Acceleration Manager, F5 BIG-IP Application Security Manager, F5 Big-ip Link Controller, F5 Big-ip Local Traffic Manager, F5 Big-ip Policy Enforcement Manager, and F5 Big-ip Protocol Security Module versions between 11.4.0 and 11.6.1, and between 12.0.0 and 12.1.0.

  • How does CVE-2016-7475 impact the Traffic Management Microkernel (TMM)?

    Under certain circumstances, CVE-2016-7475 may cause the Traffic Management Microkernel (TMM) to not properly clean up pool member network connections when using SPDY or HTTP/2 virtual server profiles.

  • How do I fix CVE-2016-7475?

    To fix CVE-2016-7475, update the affected software versions to versions higher than 11.6.1 or 12.1.0.

  • Where can I find more information about CVE-2016-7475?

    You can find more information about CVE-2016-7475 at the following link: https://support.f5.com/csp/article/K01587042

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