7.5
Advisory Published
Updated

CVE-2019-6673

First published: Wed Nov 27 2019(Updated: )

On versions 15.0.0-15.0.1 and 14.0.0-14.1.2, when the BIG-IP is configured in HTTP/2 Full Proxy mode, specifically crafted requests may cause a disruption of service provided by the Traffic Management Microkernel (TMM).

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 Access Policy Manager>=14.0.0<=14.1.2
F5 Access Policy Manager>=15.0.0<=15.0.1
F5 BIG-IP Advanced Firewall Manager>=14.0.0<=14.1.2
F5 BIG-IP Advanced Firewall Manager>=15.0.0<=15.0.1
F5 BIG-IP Application Acceleration Manager>=14.0.0<=14.1.2
F5 BIG-IP Application Acceleration Manager>=15.0.0<=15.0.1
F5 Application Security Manager>=14.0.0<=14.1.2
F5 Application Security Manager>=15.0.0<=15.0.1
F5 BIG-IP Fraud Protection Service>=14.0.0<=14.1.2
F5 BIG-IP Fraud Protection Service>=15.0.0<=15.0.1
F5 BIG-IP Link Controller>=14.0.0<=14.1.2
F5 BIG-IP Link Controller>=15.0.0<=15.0.1
Riverbed SteelApp Traffic Manager>=14.0.0<=14.1.2
Riverbed SteelApp Traffic Manager>=15.0.0<=15.0.1
F5 BIG-IP Policy Enforcement Manager>=14.0.0<=14.1.2
F5 BIG-IP Policy Enforcement Manager>=15.0.0<=15.0.1

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Frequently Asked Questions

  • What is the severity of CVE-2019-6673?

    CVE-2019-6673 is classified as a medium severity vulnerability.

  • How do I fix CVE-2019-6673?

    To fix CVE-2019-6673, upgrade to one of the fixed versions of the affected products listed in the vulnerability details.

  • Which versions are affected by CVE-2019-6673?

    CVE-2019-6673 affects F5 BIG-IP versions 14.0.0 to 14.1.2 and 15.0.0 to 15.0.1.

  • What impact does CVE-2019-6673 have on BIG-IP?

    CVE-2019-6673 can cause a disruption of service provided by the Traffic Management Microkernel when specific crafted requests are made.

  • Is CVE-2019-6673 exploitable remotely?

    Yes, CVE-2019-6673 can be exploited remotely when the BIG-IP is configured in HTTP/2 Full Proxy mode.

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