Check Point Advisories

Ivanti Avalanche Web File Server Insecure Deserialization (CVE-2022-36971; CVE-2022-36974)

Vulnerability
Protection

Check Point Reference:	CPAI-2022-1669
Date Published:	26 Jun 2023
Severity:	High
Last Updated:	Wednesday 16 August, 2023
Source:
Industry Reference:	CVE-2022-36971 CVE-2022-36974
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Avalanche
Vulnerability Description	An insecure deserialization vulnerability exists in the Ivanti Avalanche Web File Server. Successful exploitation could result in remote code execution in the context of SYSTEM.

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 Ivanti Avalanche Web File Server Insecure Deserialization 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: Content Protection Violation.
Attack Information: Ivanti Avalanche Web File Server Insecure Deserialization