CVE Vulnerabilities

CVE-2022-23011

Incorrect Calculation

Published: Jan 25, 2022 | Modified: Feb 01, 2022
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

On certain hardware BIG-IP platforms, in version 15.1.x before 15.1.4 and 14.1.x before 14.1.3, virtual servers may stop responding while processing TCP traffic due to an issue in the SYN Cookie Protection feature. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Weakness

The product performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management.

Affected Software

Name Vendor Start Version End Version
Big-ip_access_policy_manager F5 14.1.0 (including) 14.1.3 (excluding)
Big-ip_access_policy_manager F5 15.1.0 (including) 15.1.4 (excluding)
Big-ip_advanced_firewall_manager F5 14.1.0 (including) 14.1.3 (excluding)
Big-ip_advanced_firewall_manager F5 15.1.0 (including) 15.1.4 (excluding)
Big-ip_analytics F5 14.1.0 (including) 14.1.3 (excluding)
Big-ip_analytics F5 15.1.0 (including) 15.1.4 (excluding)
Big-ip_application_acceleration_manager F5 14.1.0 (including) 14.1.3 (excluding)
Big-ip_application_acceleration_manager F5 15.1.0 (including) 15.1.4 (excluding)
Big-ip_application_security_manager F5 14.1.0 (including) 14.1.3 (excluding)
Big-ip_application_security_manager F5 15.1.0 (including) 15.1.4 (excluding)
Big-ip_domain_name_system F5 14.1.0 (including) 14.1.3 (excluding)
Big-ip_domain_name_system F5 15.1.0 (including) 15.1.4 (excluding)
Big-ip_fraud_protection_service F5 14.1.0 (including) 14.1.3 (excluding)
Big-ip_fraud_protection_service F5 15.1.0 (including) 15.1.4 (excluding)
Big-ip_global_traffic_manager F5 14.1.0 (including) 14.1.3 (excluding)
Big-ip_global_traffic_manager F5 15.1.0 (including) 15.1.4 (excluding)
Big-ip_link_controller F5 14.1.0 (including) 14.1.3 (excluding)
Big-ip_link_controller F5 15.1.0 (including) 15.1.4 (excluding)
Big-ip_local_traffic_manager F5 14.1.0 (including) 14.1.3 (excluding)
Big-ip_local_traffic_manager F5 15.1.0 (including) 15.1.4 (excluding)
Big-ip_policy_enforcement_manager F5 14.1.0 (including) 14.1.3 (excluding)
Big-ip_policy_enforcement_manager F5 15.1.0 (including) 15.1.4 (excluding)

Potential Mitigations

  • Use languages, libraries, or frameworks that make it easier to handle numbers without unexpected consequences.
  • Examples include safe integer handling packages such as SafeInt (C++) or IntegerLib (C or C++).
  • Use languages, libraries, or frameworks that make it easier to handle numbers without unexpected consequences.
  • Examples include safe integer handling packages such as SafeInt (C++) or IntegerLib (C or C++).

References