Check Point Advisories

LG N1A1 Command Injection (CVE-2018-14839)

Vulnerability
Protection

Check Point Reference:	CPAI-2018-1799
Date Published:	3 Apr 2022
Severity:	Critical
Last Updated:	Thursday 26 October, 2023
Source:
Industry Reference:	CVE-2018-14839
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	LG N1A1 NAS 3718.510
Vulnerability Description	A command injection vulnerability exists in LG N1A1. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary commands on the affected system.

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 LG N1A1 Command Injection (CVE-2018-14839) 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: Web Server Enforcement Violation.
Attack Information: LG N1A1 Command Injection (CVE-2018-14839)