CVE-2019-6619: High severity f5 access policy manager vulnerability

Q: What is the severity of CVE-2019-6619?

CVE-2019-6619 has a medium severity rating due to the potential for impacting the availability of the affected systems if exploited.

Q: How do I fix CVE-2019-6619?

To mitigate CVE-2019-6619, you should upgrade your F5 BIG-IP systems to the latest versions above the specified vulnerable versions.

Q: Which software versions are affected by CVE-2019-6619?

CVE-2019-6619 affects F5 BIG-IP versions 14.0.0 to 14.1.0.1, 13.0.0 to 13.1.1.4, and 12.1.0 to 12.1.4.

Q: What could an attacker accomplish by exploiting CVE-2019-6619?

An attacker could potentially restart the Traffic Management Microkernel, leading to service interruptions.

Q: Is there any workaround for CVE-2019-6619?

The primary recommendation for CVE-2019-6619 is to upgrade to a non-vulnerable version, as there are no effective workarounds.

Published May 3, 2019

Updated

On BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, the Traffic Management Microkernel (TMM) may restart when a virtual server has an HTTP/2 profile with Application Layer Protocol Negotiation (ALPN) enabled and it processes traffic where the ALPN extension size is zero.

Affected Software

24 affected components

F5 BIG-IP Access Policy Manager>=12.1.0<12.1.4.1

F5 BIG-IP Access Policy Manager>=13.0.0<13.1.1.5

F5 BIG-IP Access Policy Manager>=14.0.0<14.1.0.2

F5 BIG-IP Advanced Firewall Manager>=12.1.0<12.1.4.1

F5 BIG-IP Advanced Firewall Manager>=13.0.0<13.1.1.5

F5 BIG-IP Advanced Firewall Manager>=14.0.0<14.1.0.2

F5 Big-ip Application Acceleration Manager>=12.1.0<12.1.4.1

F5 Big-ip Application Acceleration Manager>=13.0.0<13.1.1.5

F5 Big-ip Application Acceleration Manager>=14.0.0<14.1.0.2

F5 Big-ip Link Controller>=12.1.0<12.1.4.1

F5 Big-ip Link Controller>=13.0.0<13.1.1.5

F5 Big-ip Link Controller>=14.0.0<14.1.0.2

F5 Big-ip Policy Enforcement Manager>=12.1.0<12.1.4.1

F5 Big-ip Policy Enforcement Manager>=13.0.0<13.1.1.5

F5 Big-ip Policy Enforcement Manager>=14.0.0<14.1.0.2

F5 Big-ip Webaccelerator>=12.1.0<12.1.4.1

F5 Big-ip Webaccelerator>=13.0.0<13.1.1.5

F5 Big-ip Webaccelerator>=14.0.0<14.1.0.2

F5 BIG-IP Application Security Manager>=12.1.0<12.1.4.1

F5 BIG-IP Application Security Manager>=13.0.0<13.1.1.5

F5 BIG-IP Application Security Manager>=14.0.0<14.1.0.2

F5 Big-ip Local Traffic Manager>=12.1.0<12.1.4.1

F5 Big-ip Local Traffic Manager>=13.0.0<13.1.1.5

F5 Big-ip Local Traffic Manager>=14.0.0<14.1.0.2

Event History

May 3, 2019

CVE Published

via MITRE·07:35 PM

Data Sourced

via MITRE·07:35 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2019-6619?

CVE-2019-6619 has a medium severity rating due to the potential for impacting the availability of the affected systems if exploited.

How do I fix CVE-2019-6619?

To mitigate CVE-2019-6619, you should upgrade your F5 BIG-IP systems to the latest versions above the specified vulnerable versions.

Which software versions are affected by CVE-2019-6619?