Check Point Advisories

Java Deserialization Suspicious Traffic

Check Point Reference: CPAI-2021-0013
Date Published: 20 Mar 2021
Severity: High
Last Updated: 20 Mar 2021
Source:
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable?
Vulnerability Description An insecure deserialization vulnerability exists in web servers that accept serialized java objects from the user. Successful exploitation might allow an attacker to execute arbitrary code on an affected web server that accepts a serialized java object.

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

  1. In the IPS tab, click Protections and find the Java Deserialization Suspicious Traffic 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:  Web Server Enforcement Violation.
Attack Information:  Java Deserialization Suspicious Traffic

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