Check Point Advisories

Java Deserialization Suspicious Traffic (CVE-2022-35870)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-0013
Date Published:	20 Mar 2021
Severity:	High
Last Updated:	Thursday 21 December, 2023
Source:
Industry Reference:	CVE-2022-35870
Protection Provided by:	Security Gateway R81, 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 R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Java Deserialization Suspicious Traffic 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: Java Deserialization Suspicious Traffic