|Check Point Reference:||CPAI-2017-1063|
|Date Published:||1 Sep 2020|
|Last Updated:||1 Sep 2020|
|Protection Provided by:||
|Who is Vulnerable?|| Rpcbind libtirpc prior to 1.0.2|
Rpcbind Rpcbind 0.2.4 and prior
|Vulnerability Description||A resource exhaustion vulnerability exists in rpcbind, within its associated library libtirpc. The vulnerability is due to an unbounded memory leak when parsing XDR strings. A remote attacker could exploit this vulnerability by sending specially crafted RPC messages to the vulnerable server.|
This protection detects 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: SUN-RPC Enforcement Protection.
Attack Information: RPCbind XDR Parsing Memory Exhaustion Denial of Service (CVE-2017-8779)