Check Point Advisories

FreeRADIUS fr_dhcp_attr2vp Integer Underflow Out of Bounds Read (CVE-2017-10986)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-0219
Date Published:	26 Apr 2018
Severity:	Medium
Last Updated:	Thursday 26 April, 2018
Source:	FreeRADIUS Server Project FR-GV-303
Industry Reference:	CVE-2017-10986
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	FreeRADIUS RADIUS Server is an open source Other functions include setting the DNS servers, gateway, routes etc. The Bootstrap Protocol (BOOTP) was an older protocol standard built for the same functionality; DHCP servers extend the BOOTP protocol and provide additional features. BOOTP and DHCP use the UDP protocol.

Protection Overview

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.

Security Gateway R80 / R77 / R75

In the IPS tab, click Protections and find the FreeRADIUS fr_dhcp_attr2vp Integer Underflow Out of Bounds Read 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: DHCP Protection Violation.
Attack Information: FreeRADIUS fr_dhcp_attr2vp Integer Underflow Out of Bounds Read