Rewterz Threat Advisory – F5 Multiple Products Bind Security Bypass Vulnerability

Severity

Low

Analysis Summary

CVE-2019-6465
Controls for zone transfers may not be properly applied to Dynamically Loadable Zones (DLZs) if the zones are writable. An attacker can exploit this vulnerability to request and receive a zone transfer of a DLZ that bypasses the allow-transfer access control list.

Impact

Security Bypass

Affected Products

F5 BIG-IP Local Traffic Manager (LTM) 11.x
F5 BIG-IP Application Security Manager (ASM) 11.x
F5 BIG-IP Local Traffic Manager (LTM) 12.x
F5 BIG-IP Application Security Manager (ASM) 12.x
F5 BIG-IP Local Traffic Manager (LTM) 13.x
F5 BIG-IP Application Security Manager (ASM) 13.x
F5 BIG-IP Local Traffic Manager (LTM) 14.x
F5 TMOS 11.x
F5 BIG-IP Global Traffic Manager (GTM) 11.x
F5 BIG-IP Access Policy Manager (APM) 11.x
F5 BIG-IP Application Acceleration Manager (AAM) 11.x
F5 BIG-IP Advanced Firewall Manager (AFM) 11.x
F5 BIG-IP Analytics (AVR) 11.x
F5 BIG-IP Link Controller 11.x
F5 BIG-IP Policy Enforcement Manager (PEM) 11.x
F5 BIG-IP Access Policy Manager (APM) 12.x
F5 BIG-IP Access Policy Manager (APM) 13.x
F5 BIG-IP Advanced Firewall Manager (AFM) 12.x
F5 BIG-IP Advanced Firewall Manager (AFM) 13.x
F5 TMOS 12.x
F5 BIG-IP DNS (formerly Global Traffic Manager (GTM)) 12.x

Remediation

Update to a fixed version of the products.

BIG-IP LTM versions 14.x:

Update to version 14.1.0.2.

BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, GTM, Link Controller, and PEM versions 11.x:

Update to version 11.5.9 or 11.6.4.