Check Point Advisories

Multiple Products .DLL Insecure Library Loading (CVE-2011-0029; CVE-2011-1980)

Check Point Reference: SBP-2011-13
Date Published: 13 Sep 2011
Severity: Critical
Last Updated: Monday 19 May, 2014
Source:
Industry Reference:CVE-2011-0029
CVE-2011-1980
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70, R65

Who is Vulnerable?
Vulnerability Description A remote code execution vulnerability exists in the way that certain products handle the loading of DLL files. Certain applications improperly restrict the path used for loading external libraries. A remote attacker could exploit this vulnerability by manipulating a user to open a legitimate file that is located in the same network directory as a specially crafted DLL file. Upon opening the legitimate file, the application may attempt to load the malicious DLL and execute any code it contains. Successful exploitation of this vulnerability will allow an attacker to take complete control of an affected system.

Protection Overview

This protection will detect and block the transferring of suspicious DLL files over CIFS and Webdav.

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 / R71 / R70 / R65

  1. In the IPS tab, click Protections and find the Multiple Products .DLL Insecure Library Loading 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:  Windows SMB Protection Violation.
Attack Information:  Multiple Products .DLL insecure library loading

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