Check Point Advisories

HP Point of Sale OPOS Driver OPOSPOSKeyboard.ocx Open Method Buffer Overflow (CVE-2014-7891)

Vulnerability
Protection

Check Point Reference:	CPAI-2015-0432
Date Published:	6 Apr 2015
Severity:	Critical
Last Updated:	Sunday 14 February, 2016
Source:	HP c04583185
Industry Reference:	CVE-2014-7891
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	HP OLE Point of Sale (OPOS) Driver prior to 1.13.003
Vulnerability Description	A buffer overflow vulnerability exists in the OPOSPOSKeyboard.ocx component of HP Point of Sale PC running with OPOS Driver. The vulnerability is due to insufficient input validation on user controller data to the Open method.A remote, unauthenticated attacker can exploit this vulnerability by enticing the victim to open a malicious file or visit a malicious page. Successful exploitation could lead to code execution under the security context of the browser process.

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 HP Point of Sale OPOS Driver OPOSPOSKeyboard.ocx Open Method Buffer Overflow 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: Web Client Enforcement Violation.
Attack Information: HP Point of Sale OPOS Driver OPOSPOSKeyboard.ocx Open Method Buffer Overflow