|Check Point Reference:||CPAI-2007-078|
|Date Published:||1 Jul 2007|
|Last Updated:||13 Jan 2016|
|Protection Provided by:||
|Who is Vulnerable?|
|Vulnerability Description||Kerberos is a protocol suite that provides authenticated communication between two points on a network.The Kerberos V5 administration server (kadmind) utilizes the encrypted SUN-RPC protocol to communicate with its remote clients.A vulnerability has been reported in the Kerberos Unix authentication library.The vulnerability is due to an Integer signedness error in the Kerberos Administration Server (kadmind) within the "gssrpc__svcauth_unix()" function in the RPC library, that fails to properly handle malformed RPC requests.A remote attack may exploit this issue to execute arbitrary code on an affected system.|
This protection will detect and block malformed RPC requests.
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: SUN-RPC Enforcement Protection.
Attack Information: MIT Kerberos kadmind RPC Library Unix Authentication Buffer Overflow