Check Point Advisories

FreeBSD bsnmpd GETBULK PDU Stack Buffer Overflow - ver 2 (CVE-2014-1452)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-1186
Date Published:	8 Apr 2014
Severity:	High
Last Updated:	Sunday 30 March, 2014
Source:	CVE-2014-1452
Protection Provided by:	Security Gateway R75 and above
Who is Vulnerable?	FreeBSD Project bsnmpd releng 10.0 prior to r260640 FreeBSD Project bsnmpd releng 8.3 prior to r260647 FreeBSD Project bsnmpd releng 8.4 prior to r260647 FreeBSD Project bsnmpd releng 9.1 prior to r260647 FreeBSD Project bsnmpd releng 9.2 prior to r260647 FreeBSD Project bsnmpd stable 10 prior to r260638 FreeBSD Project bsnmpd stable 8 prior to r260642 FreeBSD Project bsnmpd stable 9 prior to r260642
Vulnerability Description	A remote code execution vulnerability exists in the SNMP daemon bsnmpd. The vulnerability is due to insufficient input validation by the libbsnmp.so.6 library when it accepts getBulkRequest requests. A remote, unauthenticated attacker can exploit these vulnerabilities to execute arbitrary code on the target system within the security context of bsnmpd process, or cause the service to terminate resulting in a denial of service.

Protection Overview

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, Protection tab and select the version of your choice.

Security Gateway R70 / R71 / R75 and above

In the IPS tab, click Protections and find the FreeBSD bsnmpd GETBULK PDU Stack Buffer Overflow - ver 2 protection using the Search tool and Edit the protection's settings.
Install policy on all modules.

SmartView Tracker will log the following entries:

Attack Name:  SNMP Protection Violation.
Attack Information:  FreeBSD bsnmpd GETBULK PDU Stack Buffer Overflow - ver 2