Check Point Advisories

Cybelsoft ThinVNC Directory Traversal (CVE-2019-17662)

Vulnerability
Protection

Check Point Reference:	CPAI-2019-2665
Date Published:	2 Oct 2022
Severity:	Critical
Last Updated:	Sunday 02 October, 2022
Source:
Industry Reference:	CVE-2019-17662
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Cybelsoft ThinVNC 1.0b1
Vulnerability Description	A Directory Traversal vulnerability exists in Cybelsoft ThinVNC. Successful exploitation of this vulnerability could allow a remote attacker to disclose or access arbitrary files on the vulnerable server.

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 Cybelsoft ThinVNC Directory Traversal (CVE-2019-17662) 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 Server Enforcement Violation.
Attack Information: Cybelsoft ThinVNC Directory Traversal (CVE-2019-17662)