Check Point Advisories

FreeRADIUS Integer Underflow (CVE-2017-10986)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-1724
Date Published:	26 Apr 2018
Severity:	High
Last Updated:	Wednesday 22 November, 2023
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	An integer underflow vulnerability exists over FreeRADIUS. Successful exploitation of this vulnerability would allow remote attackers to cause denial of service on the affected system.

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 R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the FreeRADIUS Integer Underflow (CVE-2017-10986) 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 Integer Underflow (CVE-2017-10986)