Check Point Advisories

NTP Daemon Configure Buffer Overflow (CVE-2014-9295)

Vulnerability
Protection

Check Point Reference:	CPAI-2015-0043
Date Published:	14 Jan 2015
Severity:	High
Last Updated:	Thursday 05 November, 2015
Source:
Industry Reference:	CVE-2014-9295
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70
Who is Vulnerable?	NTPD sofware < 4.2.8
Vulnerability Description	The NTP daemon implements the Network Time Protocol (NTP) which sets and maintains the system time-of-day in synchronism with Internet standard time servers. A buffer overflow vulnerability has been reported in the NTPD (NTP daemon). The vulnerability is due to insufficient checks on the input size. A remote attacker may exploit this flaw to execute arbitrary code via specially crafted packet. Successful exploitation could result in arbitrary code execution with the privilege level of the NTPD process.

Protection Overview

This protection will detect and block malformed packets sent to the NTP deamon.

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 / R71 / R70

In the IPS tab, click Protections and find the NTP Daemon Configure 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: NTP Daemon Configure Buffer Overflow