Check Point Advisories

Netcomm Buffer Overflow (CVE-2022-4873)

Vulnerability
Protection

Check Point Reference:	CPAI-2022-1162
Date Published:	15 Feb 2023
Severity:	Critical
Last Updated:	Wednesday 15 February, 2023
Source:
Industry Reference:	CVE-2022-4873
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Netcomm Router NF20MESH Netcomm Router NF20 Netcomm Router NL1902
Vulnerability Description	A buffer overflow vulnerability exists in Netcomm Router. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system or cause application crashes.

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 Netcomm Buffer Overflow (CVE-2022-4873) 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: Netcomm Buffer Overflow (CVE-2022-4873)