Check Point Advisories

OMRON CX-One Buffer Overflow (CVE-2022-21137)

Vulnerability
Protection

Check Point Reference:	CPAI-2022-0763
Date Published:	31 Oct 2022
Severity:	High
Last Updated:	Monday 31 October, 2022
Source:
Industry Reference:	CVE-2022-21137
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Omron CX-One Versions 4.60 and prior
Vulnerability Description	A stack-based overflow exists in OMRON CX-One CX-FLnet module. The vulnerability is due to input validation error when processing a parameter.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the OMRON CX-One Buffer Overflow (CVE-2022-21137) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Application Servers Protection Violation.
Attack Information: OMRON CX-One Buffer Overflow (CVE-2022-21137)