high
7.5
Advisory Published
Updated

CVE-2019-6666

First published: Wed Nov 27 2019(Updated: )

On BIG-IP 15.0.0-15.0.1, 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, and 13.1.0-13.1.1.4, the TMM process may produce a core file when an upstream server or cache sends the BIG-IP an invalid age header value.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 Access Policy Manager>=13.1.0<=13.1.1.4
F5 Access Policy Manager>=14.0.0<=14.0.0.4
F5 Access Policy Manager>=14.1.0<=14.1.0.5
F5 Access Policy Manager>=15.0.0<=15.0.1
F5 BIG-IP Advanced Firewall Manager>=13.1.0<=13.1.1.4
F5 BIG-IP Advanced Firewall Manager>=14.0.0<=14.0.0.4
F5 BIG-IP Advanced Firewall Manager>=14.1.0<=14.1.0.5
F5 BIG-IP Advanced Firewall Manager>=15.0.0<=15.0.1
F5 BIG-IP Analytics>=13.1.0<=13.1.1.4
F5 BIG-IP Analytics>=14.0.0<=14.0.0.4
F5 BIG-IP Analytics>=14.1.0<=14.1.0.5
F5 BIG-IP Analytics>=15.0.0<=15.0.1
F5 BIG-IP Application Acceleration Manager>=13.1.0<=13.1.1.4
F5 BIG-IP Application Acceleration Manager>=14.0.0<=14.0.0.4
F5 BIG-IP Application Acceleration Manager>=14.1.0<=14.1.0.5
F5 BIG-IP Application Acceleration Manager>=15.0.0<=15.0.1
F5 Application Security Manager>=13.1.0<=13.1.1.4
F5 Application Security Manager>=14.0.0<=14.0.0.4
F5 Application Security Manager>=14.1.0<=14.1.0.5
F5 Application Security Manager>=15.0.0<=15.0.1
F5 BIG-IP>=13.1.0<=13.1.1.4
F5 BIG-IP>=14.0.0<=14.0.0.4
F5 BIG-IP>=14.1.0<=14.1.0.5
F5 BIG-IP>=15.0.0<=15.0.1
F5 BIG-IP Edge Gateway>=13.1.0<=13.1.1.4
F5 BIG-IP Edge Gateway>=14.0.0<=14.0.0.4
F5 BIG-IP Edge Gateway>=14.1.0<=14.1.0.5
F5 BIG-IP Edge Gateway>=15.0.0<=15.0.1
F5 BIG-IP Fraud Protection Service>=13.1.0<=13.1.1.4
F5 BIG-IP Fraud Protection Service>=14.0.0<=14.0.0.4
F5 BIG-IP Fraud Protection Service>=14.1.0<=14.1.0.5
F5 BIG-IP Fraud Protection Service>=15.0.0<=15.0.1
Riverbed SteelApp Traffic Manager>=13.0.0<=13.1.1.4
Riverbed SteelApp Traffic Manager>=14.0.0<=14.0.0.4
Riverbed SteelApp Traffic Manager>=14.1.0<=14.1.0.5
Riverbed SteelApp Traffic Manager>=15.0.0<=15.0.1
F5 BIG-IP Link Controller>=13.1.0<=13.1.1.4
F5 BIG-IP Link Controller>=14.0.0<=14.0.0.4
F5 BIG-IP Link Controller>=14.1.0<=14.1.0.5
F5 BIG-IP Link Controller>=15.0.0<=15.0.1
Riverbed SteelApp Traffic Manager>=13.1.0<=13.1.1.4
Riverbed SteelApp Traffic Manager>=14.0.0<=14.0.0.4
Riverbed SteelApp Traffic Manager>=14.1.0<=14.1.0.5
Riverbed SteelApp Traffic Manager>=15.0.0<=15.0.1
F5 BIG-IP Policy Enforcement Manager>=13.1.0<=13.1.1.4
F5 BIG-IP Policy Enforcement Manager>=14.0.0<=14.0.0.4
F5 BIG-IP Policy Enforcement Manager>=14.1.0<=14.1.0.5
F5 BIG-IP Policy Enforcement Manager>=15.0.0<=15.0.1
F5 BIG-IP WebAccelerator>=13.1.0<=13.1.1.4
F5 BIG-IP WebAccelerator>=14.0.0<=14.0.0.4
F5 BIG-IP WebAccelerator>=14.1.0<=14.1.0.5
F5 BIG-IP WebAccelerator>=15.0.0<=15.0.1

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2019-6666?

    CVE-2019-6666 has a medium severity rating due to the potential for the TMM process to produce a core file under certain conditions.

  • How do I fix CVE-2019-6666?

    To remediate CVE-2019-6666, it is recommended to upgrade the affected F5 BIG-IP systems to the latest patched versions.

  • What versions of F5 BIG-IP are affected by CVE-2019-6666?

    F5 BIG-IP Access Policy Manager, Advanced Firewall Manager, and Analytics versions between 13.1.0 and 15.0.1 are affected by CVE-2019-6666.

  • Is CVE-2019-6666 related to server configurations?

    Yes, CVE-2019-6666 can be triggered when an upstream server or cache sends an invalid age header value to the BIG-IP.

  • Will CVE-2019-6666 affect system performance?

    While CVE-2019-6666 may lead to core file generation, it does not directly indicate a performance impact on the system.

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