high
7.5
Advisory Published
Updated

CVE-2018-15317

First published: Wed Oct 31 2018(Updated: )

In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.5, 12.1.0-12.1.4.1, and 11.2.1-11.6.3.2, an attacker sending specially crafted SSL records to a SSL Virtual Server will cause corruption in the SSL data structures leading to intermittent decrypt BAD_RECORD_MAC errors. Clients will be unable to access the application load balanced by a virtual server with an SSL profile until tmm is restarted.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
Riverbed SteelApp Traffic Manager>=11.2.1<=11.5.6
Riverbed SteelApp Traffic Manager>=11.6.0<=11.6.3.2
Riverbed SteelApp Traffic Manager>=12.1.0<=12.1.3.5
Riverbed SteelApp Traffic Manager>=13.0.0<=13.1.0.7
Riverbed SteelApp Traffic Manager>=14.0.0<=14.0.0.2
F5 BIG-IP Advanced Firewall Manager>=11.2.1<=11.5.6
F5 BIG-IP Advanced Firewall Manager>=11.6.0<=11.6.3.2
F5 BIG-IP Advanced Firewall Manager>=12.1.0<=12.1.3.5
F5 BIG-IP Advanced Firewall Manager>=13.0.0<=13.1.0.7
F5 BIG-IP Advanced Firewall Manager>=14.0.0<=14.0.0.2
F5 BIG-IP Application Acceleration Manager>=11.2.1<=11.5.6
F5 BIG-IP Application Acceleration Manager>=11.6.0<=11.6.3.2
F5 BIG-IP Application Acceleration Manager>=12.1.0<=12.1.3.5
F5 BIG-IP Application Acceleration Manager>=13.0.0<=13.1.0.7
F5 BIG-IP Application Acceleration Manager>=14.0.0<=14.0.0.2
F5 BIG-IP Analytics>=11.2.1<=11.5.6
F5 BIG-IP Analytics>=11.6.0<=11.6.3.2
F5 BIG-IP Analytics>=12.1.0<=12.1.3.5
F5 BIG-IP Analytics>=13.0.0<=13.1.0.7
F5 BIG-IP Analytics>=14.0.0<=14.0.0.2
F5 Access Policy Manager>=11.2.1<=11.5.6
F5 Access Policy Manager>=11.6.0<=11.6.3.2
F5 Access Policy Manager>=12.1.0<=12.1.3.5
F5 Access Policy Manager>=13.0.0<=13.1.0.7
F5 Access Policy Manager>=14.0.0<=14.0.0.2
F5 BIG-IP Protocol Security Manager>=11.2.1<=11.5.6
F5 BIG-IP Protocol Security Manager>=11.6.0<=11.6.3.2
F5 BIG-IP Protocol Security Manager>=12.1.0<=12.1.3.5
F5 BIG-IP Protocol Security Manager>=13.0.0<=13.1.0.7
F5 BIG-IP Protocol Security Manager>=14.0.0<=14.0.0.2
F5 BIG-IP>=11.2.1<=11.5.6
F5 BIG-IP>=11.6.0<=11.6.3.2
F5 BIG-IP>=12.1.0<=12.1.3.5
F5 BIG-IP>=13.0.0<=13.1.0.7
F5 BIG-IP>=14.0.0<=14.0.0.2
F5 BIG-IP Edge Gateway>=11.2.1<=11.5.6
F5 BIG-IP Edge Gateway>=11.6.0<=11.6.3.2
F5 BIG-IP Edge Gateway>=12.1.0<=12.1.3.5
F5 BIG-IP Edge Gateway>=13.0.0<=13.1.0.7
F5 BIG-IP Edge Gateway>=14.0.0<=14.0.0.2
F5 BIG-IP Fraud Protection Service>=11.2.1<=11.5.6
F5 BIG-IP Fraud Protection Service>=11.6.0<=11.6.3.2
F5 BIG-IP Fraud Protection Service>=12.1.0<=12.1.3.5
F5 BIG-IP Fraud Protection Service>=13.0.0<=13.1.0.7
F5 BIG-IP Fraud Protection Service>=14.0.0<=14.0.0.2
Riverbed SteelApp Traffic Manager>=11.2.1<=11.5.6
Riverbed SteelApp Traffic Manager>=11.6.0<=11.6.3.2
Riverbed SteelApp Traffic Manager>=12.1.0<=12.1.3.5
Riverbed SteelApp Traffic Manager>=13.0.0<=13.1.0.7
Riverbed SteelApp Traffic Manager>=14.0.0<=14.0.0.2
F5 BIG-IP Link Controller>=11.2.1<=11.5.6
F5 BIG-IP Link Controller>=11.6.0<=11.6.3.2
F5 BIG-IP Link Controller>=12.1.0<=12.1.3.5
F5 BIG-IP Link Controller>=13.0.0<=13.1.0.7
F5 BIG-IP Link Controller>=14.0.0<=14.0.0.2
F5 BIG-IP Policy Enforcement Manager>=11.2.1<=11.5.6
F5 BIG-IP Policy Enforcement Manager>=11.6.0<=11.6.3.2
F5 BIG-IP Policy Enforcement Manager>=12.1.0<=12.1.3.5
F5 BIG-IP Policy Enforcement Manager>=13.0.0<=13.1.0.7
F5 BIG-IP Policy Enforcement Manager>=14.0.0<=14.0.0.2
F5 BIG-IP WebAccelerator>=11.2.1<=11.5.6
F5 BIG-IP WebAccelerator>=11.6.0<=11.6.3.2
F5 BIG-IP WebAccelerator>=12.1.0<=12.1.3.5
F5 BIG-IP WebAccelerator>=13.0.0<=13.1.0.7
F5 BIG-IP WebAccelerator>=14.0.0<=14.0.0.2

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2018-15317?

    CVE-2018-15317 has a medium severity level due to its potential to cause decrypt BAD_RECORD_MAC errors.

  • How do I fix CVE-2018-15317?

    To mitigate CVE-2018-15317, you should upgrade affected F5 BIG-IP software to the latest patched version.

  • What are the affected versions for CVE-2018-15317?

    CVE-2018-15317 affects multiple versions including BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.5, 12.1.0-12.1.4.1, and 11.2.1-11.6.3.2.

  • What type of vulnerability is CVE-2018-15317?

    CVE-2018-15317 is an SSL-related vulnerability that can lead to data structure corruption.

  • Does CVE-2018-15317 affect only specific F5 products?

    Yes, CVE-2018-15317 specifically impacts F5 BIG-IP Local Traffic Manager, Advanced Firewall Manager, Application Acceleration Manager, and others.

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