Staying Safe in Times of Cyber Uncertainty
Check Point Advisories

Liferay Portal Insecure Deserialization (CVE-2020-7961)

Check Point Reference: CPAI-2020-0361
Date Published: 10 May 2020
Severity: High
Last Updated: Sunday 18 April, 2021
Industry Reference:CVE-2020-7961
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? Liferay
Vulnerability Description An insecure deserialization vulnerability exists in Liferay Portal. This vulnerability is due to improper sanitization of user-supplied data in the JSONWebServiceActionParameters class.

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

  1. In the IPS tab, click Protections and find the Liferay Portal Insecure Deserialization (CVE-2020-7961) 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 Client Enforcement Violation.
Attack Information:  Liferay Portal Insecure Deserialization (CVE-2020-7961)

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