Check Point Advisories

Network Time Protocol ntpq decodearr Stack-based Buffer Overflow (CVE-2018-7183)

Vulnerability
Protection

Check Point Reference:	CPAI-2019-0038
Date Published:	14 Jan 2019
Severity:	High
Last Updated:	Thursday 17 January, 2019
Source:
Industry Reference:	CVE-2018-7183
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A buffer overflow vulnerability has been discovered in the monitoring and control program ntpq of Network Time Protocol daemon. A successful attack would result in arbitrary code execution in the security context of the user.

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 Network Time Protocol ntpq decodearr Stack-based Buffer Overflow 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: NTP Enforcement Violation.
Attack Information: Network Time Protocol ntpq decodearr Stack-based Buffer Overflow