Check Point Advisories

FreeBSD bspatch Utility Remote Code Execution (CVE-2014-9862)

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0722
Date Published:	23 Aug 2016
Severity:	High
Last Updated:	Thursday 25 August, 2016
Source:	FreeBSD Project FreeBSD-SA-16:25.bspatch
Industry Reference:	CVE-2014-9862
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	FreeBSD Project FreeBSD releng/10.1/ prior to r303304 FreeBSD Project FreeBSD releng/10.2/ prior to r303304 FreeBSD Project FreeBSD releng/10.3/ prior to r303304 FreeBSD Project FreeBSD releng/9.3/ prior to r303304 FreeBSD Project FreeBSD stable/10/ prior to r303301 FreeBSD Project FreeBSD stable/11 prior to r303301 FreeBSD Project FreeBSD stable/11/ prior to r303300
Vulnerability Description	A remote code execution vulnerability has been reported in the bspatch utility in FreeBSD. The vulnerability is due to improper validation on the numbers of bytes to read from diff and extra stream values. A remote attacker can exploit this vulnerability by enticing the target user to download and apply a crafted patch file.

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, 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 FreeBSD bspatch Utility Remote Code Execution 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: Application Servers Protection Violation.
Attack Information: FreeBSD bspatch Utility Remote Code Execution