Check Point Advisories

Linux Kernel SCTP Duplicate Cookie Handling Denial of Service (CVE-2013-2206)

Check Point Reference: CPAI-2013-2952
Date Published: 24 Sep 2013
Severity: Critical
Last Updated: 3 Apr 2019
Source:
Industry Reference:CVE-2013-2206
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable?
Vulnerability Description A denial of service vulnerability has been discovered in the SCTP network module of the Linux kernel. The vulnerability is due to improper handling of duplicate COOKIE ECHO chunks in the sctp_sf_do_5_2_4_dupcook() function. A remote, unauthenticated attacker could exploit this vulnerability by sending malicious packets to cause a NULL pointer dereference. Successful exploitation of this vulnerability could crash 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 / R76 / R75

  1. In the IPS tab, click Protections and find the Linux Kernel SCTP Duplicate Cookie Handling Denial of Service protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  ICMP Protocol Violation.
Attack Information:  Linux Kernel SCTP Duplicate Cookie Handling Denial of Service

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