Vulnerabilities > CVE-2020-5941 - Unspecified vulnerability in F5 products

CVSS 7.5 - HIGH

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

network

low complexity

NVD

Published: 2020-11-05

Updated: 2020-11-16

Summary

On BIG-IP versions 16.0.0-16.0.0.1 and 15.1.0-15.1.0.5, using the RESOLV::lookup command within an iRule may cause the Traffic Management Microkernel (TMM) to generate a core file and restart. This issue occurs when data exceeding the maximum limit of a hostname passes to the RESOLV::lookup command.

Vulnerable Configurations

Part	Description	Count
Application	F5 F5 BIG IP Advanced Firewall Manager 15.1.0 F5 BIG IP Advanced Firewall Manager 15.1.0.1 F5 BIG IP Advanced Firewall Manager 15.1.0.2 F5 BIG IP Advanced Firewall Manager 15.1.0.3 F5 BIG IP Advanced Firewall Manager 15.1.0.4 F5 BIG IP Advanced Firewall Manager 15.1.0.5 F5 BIG IP Advanced Firewall Manager 15.1.1 F5 BIG IP Advanced Firewall Manager 16.0.0 F5 BIG IP Access Policy Manager 15.1.0 F5 BIG IP Access Policy Manager 15.1.0.1 F5 BIG IP Access Policy Manager 15.1.0.2 F5 BIG IP Access Policy Manager 15.1.0.3 F5 BIG IP Access Policy Manager 15.1.0.4 F5 BIG IP Access Policy Manager 15.1.0.5 F5 BIG IP Access Policy Manager 15.1.1 F5 BIG IP Access Policy Manager 16.0.0 F5 BIG IP Application Security Manager 15.1.0 F5 BIG IP Application Security Manager 15.1.0.1 F5 BIG IP Application Security Manager 15.1.0.2 F5 BIG IP Application Security Manager 15.1.0.3 F5 BIG IP Application Security Manager 15.1.0.4 F5 BIG IP Application Security Manager 15.1.0.5 F5 BIG IP Application Security Manager 16.0.0 F5 BIG IP Analytics 15.1.0 F5 BIG IP Analytics 15.1.0.1 F5 BIG IP Analytics 15.1.0.2 F5 BIG IP Analytics 15.1.0.3 F5 BIG IP Analytics 15.1.0.4 F5 BIG IP Analytics 15.1.0.5 F5 BIG IP Analytics 15.1.1 F5 BIG IP Analytics 16.0.0 F5 BIG IP Application Acceleration Manager 15.1.0 F5 BIG IP Application Acceleration Manager 15.1.0.1 F5 BIG IP Application Acceleration Manager 15.1.0.2 F5 BIG IP Application Acceleration Manager 15.1.0.3 F5 BIG IP Application Acceleration Manager 15.1.0.4 F5 BIG IP Application Acceleration Manager 15.1.0.5 F5 BIG IP Application Acceleration Manager 16.0.0 F5 BIG IP Domain Name System 15.1.0 F5 BIG IP Domain Name System 15.1.0.1 F5 BIG IP Domain Name System 15.1.0.2 F5 BIG IP Domain Name System 15.1.0.3 F5 BIG IP Domain Name System 15.1.0.4 F5 BIG IP Domain Name System 15.1.0.5 F5 BIG IP Domain Name System 16.0.0 F5 BIG IP Fraud Protection Service 15.1.0 F5 BIG IP Fraud Protection Service 15.1.0.1 F5 BIG IP Fraud Protection Service 15.1.0.2 F5 BIG IP Fraud Protection Service 15.1.0.3 F5 BIG IP Fraud Protection Service 15.1.0.4 F5 BIG IP Fraud Protection Service 15.1.0.5 F5 BIG IP Fraud Protection Service 15.1.1 F5 BIG IP Fraud Protection Service 16.0.0 F5 BIG IP Global Traffic Manager 15.1.0 F5 BIG IP Global Traffic Manager 15.1.0.1 F5 BIG IP Global Traffic Manager 15.1.0.2 F5 BIG IP Global Traffic Manager 15.1.0.3 F5 BIG IP Global Traffic Manager 15.1.0.4 F5 BIG IP Global Traffic Manager 15.1.0.5 F5 BIG IP Global Traffic Manager 16.0.0 F5 BIG IP Link Controller 15.1.0 F5 BIG IP Link Controller 15.1.0.1 F5 BIG IP Link Controller 15.1.0.2 F5 BIG IP Link Controller 15.1.0.3 F5 BIG IP Link Controller 15.1.0.4 F5 BIG IP Link Controller 15.1.0.5 F5 BIG IP Link Controller 16.0.0 F5 BIG IP Local Traffic Manager 15.1.0 F5 BIG IP Local Traffic Manager 15.1.0.1 F5 BIG IP Local Traffic Manager 15.1.0.2 F5 BIG IP Local Traffic Manager 15.1.0.3 F5 BIG IP Local Traffic Manager 15.1.0.4 F5 BIG IP Local Traffic Manager 15.1.0.5 F5 BIG IP Local Traffic Manager 15.1.1 F5 BIG IP Local Traffic Manager 16.0.0 F5 BIG IP Policy Enforcement Manager 15.1.0 F5 BIG IP Policy Enforcement Manager 15.1.0.1 F5 BIG IP Policy Enforcement Manager 15.1.0.2 F5 BIG IP Policy Enforcement Manager 15.1.0.3 F5 BIG IP Policy Enforcement Manager 15.1.0.4 F5 BIG IP Policy Enforcement Manager 15.1.0.5 F5 BIG IP Policy Enforcement Manager 15.1.1 F5 BIG IP Policy Enforcement Manager 16.0.0	83

References

https://support.f5.com/csp/article/K03125360