CVE Vulnerabilities

CVE-2022-23028

Incorrect Calculation

Published: Jan 25, 2022 | Modified: Feb 01, 2022
CVSS 3.x
5.3
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

On BIG-IP AFM version 16.x before 16.1.0, 15.1.x before 15.1.5, 14.1.x before 14.1.4.5, and all versions of 13.1.x, when global AFM SYN cookie protection (TCP Half Open flood vector) is activated in the AFM Device Dos or DOS profile, certain types of TCP connections will fail. 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_advanced_firewall_manager F5 13.1.0 (including) 13.1.4 (including)
Big-ip_advanced_firewall_manager F5 14.1.0 (including) 14.1.4 (including)
Big-ip_advanced_firewall_manager F5 15.1.0 (including) 15.1.4 (including)

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