high
7.5
Advisory Published
Updated

CVE-2019-6643

First published: Wed Sep 04 2019(Updated: )

On versions 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.2, 12.1.0-12.1.4.1, and 11.5.2-11.6.4, an attacker sending specifically crafted DHCPv6 requests through a BIG-IP virtual server configured with a DHCPv6 profile may be able to cause the TMM process to produce a core file.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 BIG-IP Local Traffic Manager>=11.5.2<=11.6.4
F5 BIG-IP Local Traffic Manager>=12.1.0<=12.1.4
F5 BIG-IP Local Traffic Manager>=13.0.0<=13.1.1
F5 BIG-IP Local Traffic Manager=14.0.0
F5 BIG-IP Local Traffic Manager=14.1.0
F5 BIG-IP Advanced Firewall Manager>=11.5.2<=11.6.4
F5 BIG-IP Advanced Firewall Manager>=12.1.0<=12.1.4
F5 BIG-IP Advanced Firewall Manager>=13.0.0<=13.1.1
F5 BIG-IP Advanced Firewall Manager=14.0.0
F5 BIG-IP Advanced Firewall Manager=14.1.0
f5 big-ip application acceleration manager>=11.5.2<=11.6.4
f5 big-ip application acceleration manager>=12.1.0<=12.1.4
f5 big-ip application acceleration manager>=13.0.0<=13.1.1
f5 big-ip application acceleration manager=14.0.0
f5 big-ip application acceleration manager=14.1.0
F5 BIG-IP Analytics>=11.5.2<=11.6.4
F5 BIG-IP Analytics>=12.1.0<=12.1.4
F5 BIG-IP Analytics>=13.0.0<=13.1.1
F5 BIG-IP Analytics=14.0.0
F5 BIG-IP Analytics=14.1.0
F5 BIG-IP Access Policy Manager>=11.5.2<=11.6.4
F5 BIG-IP Access Policy Manager>=12.1.0<=12.1.4
F5 BIG-IP Access Policy Manager>=13.0.0<=13.1.1
F5 BIG-IP Access Policy Manager=14.0.0
F5 BIG-IP Access Policy Manager=14.1.0
F5 BIG-IP Application Security Manager>=11.5.2<=11.6.4
F5 BIG-IP Application Security Manager>=12.1.0<=12.1.4
F5 BIG-IP Application Security Manager>=13.0.0<=13.1.1
F5 BIG-IP Application Security Manager=14.0.0
F5 BIG-IP Application Security Manager=14.1.0
F5 BIG-IP Edge Gateway>=11.5.2<=11.6.4
F5 BIG-IP Edge Gateway>=12.1.0<=12.1.4
F5 BIG-IP Edge Gateway>=13.0.0<=13.1.1
F5 BIG-IP Edge Gateway=14.0.0
F5 BIG-IP Edge Gateway=14.1.0
f5 big-ip fraud protection service>=11.5.2<=11.6.4
f5 big-ip fraud protection service>=12.1.0<=12.1.4
f5 big-ip fraud protection service>=13.0.0<=13.1.1
f5 big-ip fraud protection service=14.0.0
f5 big-ip fraud protection service=14.1.0
F5 BIG-IP Global Traffic Manager>=11.5.2<=11.6.4
F5 BIG-IP Global Traffic Manager>=12.1.0<=12.1.4
F5 BIG-IP Global Traffic Manager>=13.0.0<=13.1.1
F5 BIG-IP Global Traffic Manager=14.0.0
F5 BIG-IP Global Traffic Manager=14.1.0
f5 big-ip link controller>=11.5.2<=11.6.4
f5 big-ip link controller>=12.1.0<=12.1.4
f5 big-ip link controller>=13.0.0<=13.1.1
f5 big-ip link controller=14.0.0
f5 big-ip link controller=14.1.0
F5 BIG-IP Policy Enforcement Manager>=11.5.2<=11.6.4
F5 BIG-IP Policy Enforcement Manager>=12.1.0<=12.1.4
F5 BIG-IP Policy Enforcement Manager>=13.0.0<=13.1.1
F5 BIG-IP Policy Enforcement Manager=14.0.0
F5 BIG-IP Policy Enforcement Manager=14.1.0
F5 BIG-IP WebAccelerator>=11.5.2<=11.6.4
F5 BIG-IP WebAccelerator>=12.1.0<=12.1.4
F5 BIG-IP WebAccelerator>=13.0.0<=13.1.1
F5 BIG-IP WebAccelerator=14.0.0
F5 BIG-IP WebAccelerator=14.1.0
f5 big-ip domain name system>=11.5.2<=11.6.4
f5 big-ip domain name system>=12.1.0<=12.1.4
f5 big-ip domain name system>=13.0.0<=13.1.1
f5 big-ip domain name system=14.0.0
f5 big-ip domain name system=14.1.0

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2019-6643?

    CVE-2019-6643 has been classified with a moderate severity due to its potential to cause core dumps in the TMM process.

  • How do I fix CVE-2019-6643?

    To mitigate CVE-2019-6643, ensure you update the F5 BIG-IP systems to a version that is not affected by this vulnerability.

  • Which versions are affected by CVE-2019-6643?

    CVE-2019-6643 affects F5 BIG-IP versions between 11.5.2 and 14.1.0.5.

  • What is the impact of exploiting CVE-2019-6643?

    Exploiting CVE-2019-6643 can lead to instability in the F5 BIG-IP device, potentially causing service disruptions.

  • Is CVE-2019-6643 a network-based vulnerability?

    Yes, CVE-2019-6643 can be exploited via specially crafted DHCPv6 requests sent through a vulnerable virtual server.

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