7.5
Advisory Published
Updated

CVE-2020-5872

First published: Thu Apr 30 2020(Updated: )

On BIG-IP 14.1.0-14.1.2.3, 14.0.0-14.0.1, 13.1.0-13.1.3.1, and 12.1.0-12.1.4.1, when processing TLS traffic with hardware cryptographic acceleration enabled on platforms with Intel QAT hardware, the Traffic Management Microkernel (TMM) may stop responding and cause a failover event.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 Access Policy Manager>=12.1.0<=12.1.4.1
F5 Access Policy Manager>=13.1.0<=13.1.3.1
F5 Access Policy Manager>=14.0.0<=14.0.1
F5 Access Policy Manager>=14.1.0<=14.1.2.3
F5 BIG-IP Advanced Firewall Manager>=12.1.0<=12.1.4.1
F5 BIG-IP Advanced Firewall Manager>=13.1.0<=13.1.3.1
F5 BIG-IP Advanced Firewall Manager>=14.0.0<=14.0.1
F5 BIG-IP Advanced Firewall Manager>=14.1.0<=14.1.2.3
F5 BIG-IP Analytics>=12.1.0<=12.1.4.1
F5 BIG-IP Analytics>=13.1.0<=13.1.3.1
F5 BIG-IP Analytics>=14.0.0<=14.0.1
F5 BIG-IP Analytics>=14.1.0<=14.1.2.3
F5 BIG-IP Application Acceleration Manager>=12.1.0<=12.1.4.1
F5 BIG-IP Application Acceleration Manager>=13.1.0<=13.1.3.1
F5 BIG-IP Application Acceleration Manager>=14.0.0<=14.0.1
F5 BIG-IP Application Acceleration Manager>=14.1.0<=14.1.2.3
F5 Application Security Manager>=12.1.0<=12.1.4.1
F5 Application Security Manager>=13.1.0<=13.1.3.1
F5 Application Security Manager>=14.0.0<=14.0.1
F5 Application Security Manager>=14.1.0<=14.1.2.3
F5 BIG-IP>=12.1.0<=12.1.4.1
F5 BIG-IP>=13.1.0<=13.1.3.1
F5 BIG-IP>=14.0.0<=14.0.1
F5 BIG-IP>=14.1.0<=14.1.2.3
F5 BIG-IP Fraud Protection Service>=12.1.0<=12.1.4.1
F5 BIG-IP Fraud Protection Service>=13.1.0<=13.1.3.1
F5 BIG-IP Fraud Protection Service>=14.0.0<=14.0.1
F5 BIG-IP Fraud Protection Service>=14.1.0<=14.1.2.3
Riverbed SteelApp Traffic Manager>=12.1.0<=12.1.4.1
Riverbed SteelApp Traffic Manager>=13.1.0<=13.1.3.1
Riverbed SteelApp Traffic Manager>=14.0.0<=14.0.1
Riverbed SteelApp Traffic Manager>=14.1.0<=14.1.2.3
F5 BIG-IP Link Controller>=12.1.0<=12.1.4.1
F5 BIG-IP Link Controller>=13.1.0<=13.1.3.1
F5 BIG-IP Link Controller>=14.0.0<=14.0.1
F5 BIG-IP Link Controller>=14.1.0<=14.1.2.3
Riverbed SteelApp Traffic Manager>=12.1.0<=12.1.4.1
Riverbed SteelApp Traffic Manager>=13.1.0<=13.1.3.1
Riverbed SteelApp Traffic Manager>=14.0.0<=14.0.1
Riverbed SteelApp Traffic Manager>=14.1.0<=14.1.2.3
F5 BIG-IP Policy Enforcement Manager>=12.1.0<=12.1.4.1
F5 BIG-IP Policy Enforcement Manager>=13.1.0<=13.1.3.1
F5 BIG-IP Policy Enforcement Manager>=14.0.0<=14.0.1
F5 BIG-IP Policy Enforcement Manager>=14.1.0<=14.1.2.3

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Frequently Asked Questions

  • What is the severity of CVE-2020-5872?

    CVE-2020-5872 has a severity rating that is classified as critical due to the potential for causing traffic management failures.

  • How do I fix CVE-2020-5872?

    To fix CVE-2020-5872, you should upgrade to a version of F5 BIG-IP that is not affected, specifically versions above 14.1.2.3, 14.0.1, 13.1.3.1, and 12.1.4.1.

  • What systems are affected by CVE-2020-5872?

    CVE-2020-5872 affects F5 BIG-IP Access Policy Manager, Advanced Firewall Manager, Analytics, Application Security Manager, and several other modules between specific version ranges.

  • What are the potential impacts of CVE-2020-5872?

    The potential impacts of CVE-2020-5872 include system unresponsiveness and failover events during TLS traffic processing.

  • Is there a workaround for CVE-2020-5872?

    Currently, the best approach to mitigate CVE-2020-5872 is to apply the appropriate security updates rather than relying on workarounds.

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