high
7.5
Advisory Published
Updated

CVE-2018-15320

First published: Wed Oct 31 2018(Updated: )

On BIG-IP 14.0.0-14.0.0.2 or 13.0.0-13.1.1.1, undisclosed traffic patterns may lead to denial of service conditions for the BIG-IP system. The configuration which exposes this condition is the BIG-IP self IP address which is part of a VLAN group and has the Port Lockdown setting configured with anything other than "allow-all".

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 Big-ip Local Traffic Manager>=13.0.0<=13.1.1.1
F5 Big-ip Local Traffic Manager>=14.0.0<=14.0.0.2
F5 BIG-IP Advanced Firewall Manager>=13.0.0<=13.1.1.1
F5 BIG-IP Advanced Firewall Manager>=14.0.0<=14.0.0.2
F5 Big-ip Application Acceleration Manager>=13.0.0<=13.1.1.1
F5 Big-ip Application Acceleration Manager>=14.0.0<=14.0.0.2
F5 BIG-IP Analytics>=13.0.0<=13.1.1.1
F5 BIG-IP Analytics>=14.0.0<=14.0.0.2
F5 BIG-IP Access Policy Manager>=13.0.0<=13.1.1.1
F5 BIG-IP Access Policy Manager>=14.0.0<=14.0.0.2
F5 Big-ip Protocol Security Module>=13.0.0<=13.1.1.1
F5 Big-ip Protocol Security Module>=14.0.0<=14.0.0.2
F5 Big-ip Domain Name System>=13.0.0<=13.1.1.1
F5 Big-ip Domain Name System>=14.0.0<=14.0.0.2
F5 Big-ip Edge Gateway>=13.0.0<=13.1.1.1
F5 Big-ip Edge Gateway>=14.0.0<=14.0.0.2
F5 Big-ip Fraud Protection Service>=13.0.0<=13.1.1.1
F5 Big-ip Fraud Protection Service>=14.0.0<=14.0.0.2
F5 Big-ip Global Traffic Manager>=13.0.0<=13.1.1.1
F5 Big-ip Global Traffic Manager>=14.0.0<=14.0.0.2
F5 Big-ip Link Controller>=13.0.0<=13.1.1.1
F5 Big-ip Link Controller>=14.0.0<=14.0.0.2
F5 Big-ip Policy Enforcement Manager>=13.0.0<=13.1.1.1
F5 Big-ip Policy Enforcement Manager>=14.0.0<=14.0.0.2
F5 Big-ip Webaccelerator>=13.0.0<=13.1.1.1
F5 Big-ip Webaccelerator>=14.0.0<=14.0.0.2

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Reference Links

Frequently Asked Questions

  • What is CVE-2018-15320?

    CVE-2018-15320 is a vulnerability on the BIG-IP system that can lead to denial of service conditions.

  • What is the severity of CVE-2018-15320?

    CVE-2018-15320 has a severity rating of 7.5, which is considered high.

  • Which systems are affected by CVE-2018-15320?

    CVE-2018-15320 affects BIG-IP Local Traffic Manager, BIG-IP Advanced Firewall Manager, BIG-IP Application Acceleration Manager, BIG-IP Analytics, BIG-IP Access Policy Manager, BIG-IP Protocol Security Module, BIG-IP Domain Name System, BIG-IP Edge Gateway, BIG-IP Fraud Protection Service, BIG-IP Global Traffic Manager, BIG-IP Link Controller, BIG-IP Policy Enforcement Manager, and BIG-IP Webaccelerator.

  • How can I fix CVE-2018-15320?

    To fix CVE-2018-15320, you should update your BIG-IP software to version 14.0.0.3 or 13.1.1.2 depending on your current version.

  • Where can I find more information about CVE-2018-15320?

    More information about CVE-2018-15320 can be found on the F5 support website: [https://support.f5.com/csp/article/K72442354](https://support.f5.com/csp/article/K72442354).

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