On F5 BIG-IP 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5.1, and 14.1.x versions prior to 14.1.4.6, when BIG-IP packet filters are enabled and a virtual server is configured with the type set to Reject, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
Weakness
The product does not properly control the allocation and maintenance of a limited resource.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Big-ip_access_policy_manager | F5 | 14.1.0 (including) | 14.1.0 (including) |
| Big-ip_access_policy_manager | F5 | 14.1.2 (including) | 14.1.2 (including) |
| Big-ip_access_policy_manager | F5 | 14.1.3 (including) | 14.1.3 (including) |
| Big-ip_access_policy_manager | F5 | 14.1.4 (including) | 14.1.4 (including) |
| Big-ip_access_policy_manager | F5 | 15.1.0 (including) | 15.1.0 (including) |
| Big-ip_access_policy_manager | F5 | 15.1.1 (including) | 15.1.1 (including) |
| Big-ip_access_policy_manager | F5 | 15.1.2 (including) | 15.1.2 (including) |
| Big-ip_access_policy_manager | F5 | 15.1.3 (including) | 15.1.3 (including) |
| Big-ip_access_policy_manager | F5 | 15.1.4 (including) | 15.1.4 (including) |
| Big-ip_access_policy_manager | F5 | 15.1.5 (including) | 15.1.5 (including) |
| Big-ip_access_policy_manager | F5 | 16.1.0 (including) | 16.1.0 (including) |
| Big-ip_access_policy_manager | F5 | 16.1.1 (including) | 16.1.1 (including) |
| Big-ip_access_policy_manager | F5 | 16.1.2 (including) | 16.1.2 (including) |
| Big-ip_advanced_firewall_manager | F5 | 14.1.0 (including) | 14.1.0 (including) |
| Big-ip_advanced_firewall_manager | F5 | 14.1.2 (including) | 14.1.2 (including) |
| Big-ip_advanced_firewall_manager | F5 | 14.1.3 (including) | 14.1.3 (including) |
| Big-ip_advanced_firewall_manager | F5 | 14.1.4 (including) | 14.1.4 (including) |
| Big-ip_advanced_firewall_manager | F5 | 15.1.0 (including) | 15.1.0 (including) |
| Big-ip_advanced_firewall_manager | F5 | 15.1.1 (including) | 15.1.1 (including) |
| Big-ip_advanced_firewall_manager | F5 | 15.1.2 (including) | 15.1.2 (including) |
| Big-ip_advanced_firewall_manager | F5 | 15.1.3 (including) | 15.1.3 (including) |
| Big-ip_advanced_firewall_manager | F5 | 15.1.4 (including) | 15.1.4 (including) |
| Big-ip_advanced_firewall_manager | F5 | 15.1.5 (including) | 15.1.5 (including) |
| Big-ip_advanced_firewall_manager | F5 | 16.1.0 (including) | 16.1.0 (including) |
| Big-ip_advanced_firewall_manager | F5 | 16.1.1 (including) | 16.1.1 (including) |
| Big-ip_advanced_firewall_manager | F5 | 16.1.2 (including) | 16.1.2 (including) |
| Big-ip_analytics | F5 | 14.1.0 (including) | 14.1.0 (including) |
| Big-ip_analytics | F5 | 14.1.2 (including) | 14.1.2 (including) |
| Big-ip_analytics | F5 | 14.1.3 (including) | 14.1.3 (including) |
| Big-ip_analytics | F5 | 14.1.4 (including) | 14.1.4 (including) |
| Big-ip_analytics | F5 | 15.1.0 (including) | 15.1.0 (including) |
| Big-ip_analytics | F5 | 15.1.1 (including) | 15.1.1 (including) |
| Big-ip_analytics | F5 | 15.1.2 (including) | 15.1.2 (including) |
| Big-ip_analytics | F5 | 15.1.3 (including) | 15.1.3 (including) |
| Big-ip_analytics | F5 | 15.1.4 (including) | 15.1.4 (including) |
| Big-ip_analytics | F5 | 15.1.5 (including) | 15.1.5 (including) |
| Big-ip_analytics | F5 | 16.1.0 (including) | 16.1.0 (including) |
| Big-ip_analytics | F5 | 16.1.1 (including) | 16.1.1 (including) |
| Big-ip_analytics | F5 | 16.1.2 (including) | 16.1.2 (including) |
| Big-ip_application_acceleration_manager | F5 | 14.1.0 (including) | 14.1.0 (including) |
| Big-ip_application_acceleration_manager | F5 | 14.1.2 (including) | 14.1.2 (including) |
| Big-ip_application_acceleration_manager | F5 | 14.1.3 (including) | 14.1.3 (including) |
| Big-ip_application_acceleration_manager | F5 | 14.1.4 (including) | 14.1.4 (including) |
| Big-ip_application_acceleration_manager | F5 | 15.1.0 (including) | 15.1.0 (including) |
| Big-ip_application_acceleration_manager | F5 | 15.1.1 (including) | 15.1.1 (including) |
| Big-ip_application_acceleration_manager | F5 | 15.1.2 (including) | 15.1.2 (including) |
| Big-ip_application_acceleration_manager | F5 | 15.1.3 (including) | 15.1.3 (including) |
| Big-ip_application_acceleration_manager | F5 | 15.1.4 (including) | 15.1.4 (including) |
| Big-ip_application_acceleration_manager | F5 | 15.1.5 (including) | 15.1.5 (including) |
| Big-ip_application_acceleration_manager | F5 | 16.1.0 (including) | 16.1.0 (including) |
| Big-ip_application_acceleration_manager | F5 | 16.1.1 (including) | 16.1.1 (including) |
| Big-ip_application_acceleration_manager | F5 | 16.1.2 (including) | 16.1.2 (including) |
| Big-ip_application_security_manager | F5 | 14.1.0 (including) | 14.1.0 (including) |
| Big-ip_application_security_manager | F5 | 14.1.2 (including) | 14.1.2 (including) |
| Big-ip_application_security_manager | F5 | 14.1.3 (including) | 14.1.3 (including) |
| Big-ip_application_security_manager | F5 | 14.1.4 (including) | 14.1.4 (including) |
| Big-ip_application_security_manager | F5 | 15.1.0 (including) | 15.1.0 (including) |
| Big-ip_application_security_manager | F5 | 15.1.1 (including) | 15.1.1 (including) |
| Big-ip_application_security_manager | F5 | 15.1.2 (including) | 15.1.2 (including) |
| Big-ip_application_security_manager | F5 | 15.1.3 (including) | 15.1.3 (including) |
| Big-ip_application_security_manager | F5 | 15.1.4 (including) | 15.1.4 (including) |
| Big-ip_application_security_manager | F5 | 15.1.5 (including) | 15.1.5 (including) |
| Big-ip_application_security_manager | F5 | 16.1.0 (including) | 16.1.0 (including) |
| Big-ip_application_security_manager | F5 | 16.1.1 (including) | 16.1.1 (including) |
| Big-ip_application_security_manager | F5 | 16.1.2 (including) | 16.1.2 (including) |
| Big-ip_domain_name_system | F5 | 14.1.0 (including) | 14.1.0 (including) |
| Big-ip_domain_name_system | F5 | 14.1.2 (including) | 14.1.2 (including) |
| Big-ip_domain_name_system | F5 | 14.1.3 (including) | 14.1.3 (including) |
| Big-ip_domain_name_system | F5 | 14.1.4 (including) | 14.1.4 (including) |
| Big-ip_domain_name_system | F5 | 15.1.0 (including) | 15.1.0 (including) |
| Big-ip_domain_name_system | F5 | 15.1.1 (including) | 15.1.1 (including) |
| Big-ip_domain_name_system | F5 | 15.1.2 (including) | 15.1.2 (including) |
| Big-ip_domain_name_system | F5 | 15.1.3 (including) | 15.1.3 (including) |
| Big-ip_domain_name_system | F5 | 15.1.4 (including) | 15.1.4 (including) |
| Big-ip_domain_name_system | F5 | 15.1.5 (including) | 15.1.5 (including) |
| Big-ip_domain_name_system | F5 | 16.1.0 (including) | 16.1.0 (including) |
| Big-ip_domain_name_system | F5 | 16.1.1 (including) | 16.1.1 (including) |
| Big-ip_domain_name_system | F5 | 16.1.2 (including) | 16.1.2 (including) |
| Big-ip_fraud_protection_service | F5 | 14.1.0 (including) | 14.1.0 (including) |
| Big-ip_fraud_protection_service | F5 | 14.1.2 (including) | 14.1.2 (including) |
| Big-ip_fraud_protection_service | F5 | 14.1.3 (including) | 14.1.3 (including) |
| Big-ip_fraud_protection_service | F5 | 14.1.4 (including) | 14.1.4 (including) |
| Big-ip_fraud_protection_service | F5 | 15.1.0 (including) | 15.1.0 (including) |
| Big-ip_fraud_protection_service | F5 | 15.1.1 (including) | 15.1.1 (including) |
| Big-ip_fraud_protection_service | F5 | 15.1.2 (including) | 15.1.2 (including) |
| Big-ip_fraud_protection_service | F5 | 15.1.3 (including) | 15.1.3 (including) |
| Big-ip_fraud_protection_service | F5 | 15.1.4 (including) | 15.1.4 (including) |
| Big-ip_fraud_protection_service | F5 | 15.1.5 (including) | 15.1.5 (including) |
| Big-ip_fraud_protection_service | F5 | 16.1.0 (including) | 16.1.0 (including) |
| Big-ip_fraud_protection_service | F5 | 16.1.1 (including) | 16.1.1 (including) |
| Big-ip_fraud_protection_service | F5 | 16.1.2 (including) | 16.1.2 (including) |
| Big-ip_global_traffic_manager | F5 | 14.1.0 (including) | 14.1.0 (including) |
| Big-ip_global_traffic_manager | F5 | 14.1.2 (including) | 14.1.2 (including) |
| Big-ip_global_traffic_manager | F5 | 14.1.3 (including) | 14.1.3 (including) |
| Big-ip_global_traffic_manager | F5 | 14.1.4 (including) | 14.1.4 (including) |
| Big-ip_global_traffic_manager | F5 | 15.1.0 (including) | 15.1.0 (including) |
| Big-ip_global_traffic_manager | F5 | 15.1.1 (including) | 15.1.1 (including) |
| Big-ip_global_traffic_manager | F5 | 15.1.2 (including) | 15.1.2 (including) |
| Big-ip_global_traffic_manager | F5 | 15.1.3 (including) | 15.1.3 (including) |
| Big-ip_global_traffic_manager | F5 | 15.1.4 (including) | 15.1.4 (including) |
| Big-ip_global_traffic_manager | F5 | 15.1.5 (including) | 15.1.5 (including) |
| Big-ip_global_traffic_manager | F5 | 16.1.0 (including) | 16.1.0 (including) |
| Big-ip_global_traffic_manager | F5 | 16.1.1 (including) | 16.1.1 (including) |
| Big-ip_global_traffic_manager | F5 | 16.1.2 (including) | 16.1.2 (including) |
| Big-ip_link_controller | F5 | 14.1.0 (including) | 14.1.0 (including) |
| Big-ip_link_controller | F5 | 14.1.2 (including) | 14.1.2 (including) |
| Big-ip_link_controller | F5 | 14.1.3 (including) | 14.1.3 (including) |
| Big-ip_link_controller | F5 | 14.1.4 (including) | 14.1.4 (including) |
| Big-ip_link_controller | F5 | 15.1.0 (including) | 15.1.0 (including) |
| Big-ip_link_controller | F5 | 15.1.1 (including) | 15.1.1 (including) |
| Big-ip_link_controller | F5 | 15.1.2 (including) | 15.1.2 (including) |
| Big-ip_link_controller | F5 | 15.1.3 (including) | 15.1.3 (including) |
| Big-ip_link_controller | F5 | 15.1.4 (including) | 15.1.4 (including) |
| Big-ip_link_controller | F5 | 15.1.5 (including) | 15.1.5 (including) |
| Big-ip_link_controller | F5 | 16.1.0 (including) | 16.1.0 (including) |
| Big-ip_link_controller | F5 | 16.1.1 (including) | 16.1.1 (including) |
| Big-ip_link_controller | F5 | 16.1.2 (including) | 16.1.2 (including) |
| Big-ip_local_traffic_manager | F5 | 14.1.0 (including) | 14.1.0 (including) |
| Big-ip_local_traffic_manager | F5 | 14.1.2 (including) | 14.1.2 (including) |
| Big-ip_local_traffic_manager | F5 | 14.1.3 (including) | 14.1.3 (including) |
| Big-ip_local_traffic_manager | F5 | 14.1.4 (including) | 14.1.4 (including) |
| Big-ip_local_traffic_manager | F5 | 15.1.0 (including) | 15.1.0 (including) |
| Big-ip_local_traffic_manager | F5 | 15.1.1 (including) | 15.1.1 (including) |
| Big-ip_local_traffic_manager | F5 | 15.1.2 (including) | 15.1.2 (including) |
| Big-ip_local_traffic_manager | F5 | 15.1.3 (including) | 15.1.3 (including) |
| Big-ip_local_traffic_manager | F5 | 15.1.4 (including) | 15.1.4 (including) |
| Big-ip_local_traffic_manager | F5 | 15.1.5 (including) | 15.1.5 (including) |
| Big-ip_local_traffic_manager | F5 | 16.1.0 (including) | 16.1.0 (including) |
| Big-ip_local_traffic_manager | F5 | 16.1.1 (including) | 16.1.1 (including) |
| Big-ip_local_traffic_manager | F5 | 16.1.2 (including) | 16.1.2 (including) |
| Big-ip_policy_enforcement_manager | F5 | 14.1.0 (including) | 14.1.0 (including) |
| Big-ip_policy_enforcement_manager | F5 | 14.1.2 (including) | 14.1.2 (including) |
| Big-ip_policy_enforcement_manager | F5 | 14.1.3 (including) | 14.1.3 (including) |
| Big-ip_policy_enforcement_manager | F5 | 14.1.4 (including) | 14.1.4 (including) |
| Big-ip_policy_enforcement_manager | F5 | 15.1.0 (including) | 15.1.0 (including) |
| Big-ip_policy_enforcement_manager | F5 | 15.1.1 (including) | 15.1.1 (including) |
| Big-ip_policy_enforcement_manager | F5 | 15.1.2 (including) | 15.1.2 (including) |
| Big-ip_policy_enforcement_manager | F5 | 15.1.3 (including) | 15.1.3 (including) |
| Big-ip_policy_enforcement_manager | F5 | 15.1.4 (including) | 15.1.4 (including) |
| Big-ip_policy_enforcement_manager | F5 | 15.1.5 (including) | 15.1.5 (including) |
| Big-ip_policy_enforcement_manager | F5 | 16.1.0 (including) | 16.1.0 (including) |
| Big-ip_policy_enforcement_manager | F5 | 16.1.1 (including) | 16.1.1 (including) |
| Big-ip_policy_enforcement_manager | F5 | 16.1.2 (including) | 16.1.2 (including) |
Potential Mitigations
Mitigation of resource exhaustion attacks requires that the target system either:
The first of these solutions is an issue in itself though, since it may allow attackers to prevent the use of the system by a particular valid user. If the attacker impersonates the valid user, they may be able to prevent the user from accessing the server in question.
The second solution is simply difficult to effectively institute – and even when properly done, it does not provide a full solution. It simply makes the attack require more resources on the part of the attacker.
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/147.html
- https://cwe.mitre.org/data/definitions/227.html
- https://cwe.mitre.org/data/definitions/492.html