Check Point Advisories

Gl-Inet GL-S20 Buffer Overflow (CVE-2023-31475)

Vulnerability
Protection

Check Point Reference:	CPAI-2023-1892
Date Published:	11 Sep 2024
Severity:	Critical
Last Updated:	Wednesday 11 September, 2024
Source:
Industry Reference:	CVE-2023-31475
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Gl-Inet GL-S20 firmware prior to 3.216
Vulnerability Description	A buffer overflow vulnerability exists in Gl-Inet GL-S20. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system or cause application crashes.

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 Gl-Inet GL-S20 Buffer Overflow (CVE-2023-31475) 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: Application Servers Protection Violation.
Attack Information: Gl-Inet GL-S20 Buffer Overflow (CVE-2023-31475)