Check Point Advisories

Expo Software Development Kit Information Disclosure (CVE-2023-28131)

Vulnerability
Protection

Check Point Reference:	CPAI-2023-0358
Date Published:	4 Jun 2023
Severity:	Critical
Last Updated:	Sunday 04 June, 2023
Source:
Industry Reference:	CVE-2023-28131
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Expo Software Development Kit 45.0.0 and later, prior to 48.0.0
Vulnerability Description	An information disclosure vulnerability exists in Expo Software Development Kit. Successful exploitation of this vulnerability could allow a remote attacker to damage users 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 Expo Software Development Kit Information Disclosure (CVE-2023-28131) 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 Client Enforcement Violation.
Attack Information: Expo Software Development Kit Information Disclosure (CVE-2023-28131)