Check Point Advisories

Schneider Electric Modicon Multiple Denial Of Service Vulnerabilities (CVE-2018-7843; CVE-2018-7852; CVE-2018-7853; CVE-2018-7854; CVE-2018-7855; CVE-2018-7856; CVE-2018-7857; CVE-2019-6807)

Vulnerability
Protection

Check Point Reference:	CPAI-2019-0751
Date Published:	7 Jul 2019
Severity:	High
Last Updated:	Monday 08 July, 2019
Source:
Industry Reference:	CVE-2018-7843 CVE-2018-7852 CVE-2018-7853 CVE-2018-7854 CVE-2018-7855 CVE-2018-7856 CVE-2018-7857 CVE-2019-6807
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Schneider Electric Modicon M580 Schneider Electric Modicon M340 Schneider Electric Modicon Quantum Schneider Electric Modicon Premium
Vulnerability Description	Multiple denial of service vulnerabilities exist in Schneider Electric Modicon. A remote unauthenticated attacker could send crafted UMAS command packets to cause denial of service conditions.

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 R80 / R77 / R75

In the IPS tab, click Protections and find the Schneider Electric Modicon Multiple Denial Of Service Vulnerabilities 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: Schneider Electric Modicon Multiple Denial Of Service Vulnerabilities