|Check Point Reference:||CPAI-2013-2952|
|Date Published:||24 Sep 2013|
|Last Updated:||3 Apr 2019|
|Protection Provided by:||
|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.|
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.
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