Check Point Advisories

Linux Kernel SCTP Handshake Denial of Service (CVE-2014-0101)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-1979
Date Published:	8 Dec 2014
Severity:	High
Last Updated:	Monday 15 August, 2016
Source:
Industry Reference:	CVE-2014-0101
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Linux Web Servers
Vulnerability Description	An integer underflow has been found in the SCTP networking module of the Linux kernel. The vulnerability is due to a boundary check error. A remote attacker can exploit this vulnerability by sending crafted SCTP packets to a vulnerable system. A successful attack will prevent further SCTP connections from being made to the vulnerable system.

Protection Overview

This protection will detect and block 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 Linux Kernel SCTP Handshake Denial of Service 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: ICMP Protocol Violation.
Attack Information: Linux Kernel SCTP Handshake Denial of Service