Check Point Advisories

Netkit Telnet Buffer Overflow (CVE-2020-10188)

Vulnerability
Protection

Check Point Reference:	CPAI-2020-1379
Date Published:	27 Dec 2020
Severity:	Critical
Last Updated:	Sunday 27 December, 2020
Source:
Industry Reference:	CVE-2020-10188
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Netkit Telnet 0.17
Vulnerability Description	A buffer overflow vulnerability exists in Netkit Telnet Project. 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 Netkit Telnet Buffer Overflow (CVE-2020-10188) 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: Netkit Telnet Buffer Overflow (CVE-2020-10188)