Check Point Advisories

SunRPC Data Connection Evasion Technique

Check Point Reference: CPAI-2014-2185
Date Published: 12 Nov 2014
Severity: Critical
Last Updated: 16 Jun 2020
Source:
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? SunRPC enabled services
Vulnerability Description SunRPC protocol is vulnerable to evasion techniques over its data connection. An attacker may try to evade inspection via an unauthorized data connection. Successful evasion may result in a remote code execution.

Protection Overview

This protection will detect and block connections attempting to evade inspection.

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

  1. In the IPS tab, click Protections and find the SunRPC Data Connection Evasion Technique protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  SUN-RPC Enforcement Protection.
Attack Information:  SunRPC Data Connection Evasion Technique

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