Check Point Advisories

BlackBerry Application Web Loader ActiveX Control Buffer Overflow (CVE-2009-0305)

Check Point Reference: CPAI-2009-377
Date Published: 25 Jan 2010
Severity: Medium
Last Updated: Tuesday 30 August, 2011
Source:
Industry Reference:CVE-2009-0305
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description The BlackBerry Application Web Loader allows to download the BlackBerry applications from a web server using a browser supporting ActiveX controls onto a handheld device. It makes deployment of new applications and updates easier for developers. A user can load the application to their BlackBerry by connecting it to a PC and visiting the website which hosts the application without the need of installing BlackBerry Desktop Manager software. There exists a heap-based buffer overflow vulnerability in BlackBerry Application Web Loader ActiveX Control. The vulnerability is due to an unbounded format string error while processing user input. A remote attacker can exploit this vulnerability by enticing the user to open a crafted web page. Successful exploitation may lead to arbitrary code execution in the security context of the logged in user. In case of an attack where code injection is not successful, the affected process will terminate abnormally. In case of an attack where code injection is successful, the behavior of the target is entirely dependent on the intended function of the injected code. The code in such a case would execute within the security context of the logged in user.

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

  1. In the IPS tab, click Protections and find the BlackBerry Application Web Loader ActiveX Control Buffer Overflow protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  BlackBerry Application Web Loader ActiveX control buffer overflow

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