Check Point Advisories

Crestron Stack Overflow (CVE-2019-3930)

Vulnerability
Protection

Check Point Reference:	CPAI-2019-2403
Date Published:	23 Nov 2020
Severity:	Critical
Last Updated:	Monday 23 November, 2020
Source:
Industry Reference:	CVE-2019-3930
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Crestron AM-100 firmware 1.6.0.2 Crestron AM-101 firmware 2.7.0.1 Barco wePresent WiPG-1000P firmware 2.3.0.10 Barco wePresent WiPG-1600W before firmware 2.4.1.19 Extron ShareLink 200/250 firmware 2.0.3.4 Teq AV IT WIPS710 firmware 1.1.0.7 SHARP PN-L703WA firmware 1.4.2.3 Optoma WPS-Pro firmware 1.0.0.5 Blackbox HD WPS firmware 1.0.0.5 InFocus LiteShow3 firmware 1.0.16 InFocus LiteShow4 2.0.0.7
Vulnerability Description	A stack overflow vulnerability exists in Crestron. 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 R80 / R77 / R75

In the IPS tab, click Protections and find the Crestron Stack Overflow (CVE-2019-3930) 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: Crestron Stack Overflow (CVE-2019-3930)