Check Point Advisories

OMRON CX-One CX-FLnet Type Heap-based Buffer Overflow (CVE-2018-8834)

Check Point Reference: CPAI-2018-1011
Date Published: 7 Oct 2018
Severity: High
Last Updated: 25 Nov 2018
Industry Reference:CVE-2018-8834
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable? CX-One
Vulnerability Description A heap-based overflow exists in OMRON CX-One CX-FLnet module. The vulnerability is due to input validation error when processing Type parameter of the FLN configuration file.

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 / R76 / R75

  1. In the IPS tab, click Protections and find the OMRON CX-One CX-FLnet Type Heap-based Buffer Overflow protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  OMRON CX-One CX-FLnet Type Heap-based Buffer Overflow

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