Check Point Advisories

Microsoft WinVerifyTrust Cabview Corruption Security Bypass (MS10-019; CVE-2010-0487)

Check Point Reference: CPAI-2010-072
Date Published: 2 May 2010
Severity: Critical
Last Updated: Thursday 12 June, 2014
Source:
Industry Reference:CVE-2010-0487
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description A cabinet is a single file, usually suffixed with .CAB, that stores compressed files in a file library. A vulnerability has been discovered in the Windows Authenticode Signature verification for cabinet (.cab) file formats. The vulnerability is caused when the Windows Cabinet File Viewer omits fields from the file digest when signing and verifying a cabinet file. An attacker can exploit this flaw to execute arbitrary code on a vulnerable system via a malicious CAB file. Successful exploitation may allow the attacker to take complete control of a target system.

Protection Overview

This protection will detect and block the transferring of malformed CAB files over HTTP.

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 Microsoft WinVerifyTrust Cabview Corruption Security Bypass (MS10-019) 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:  Content Protection Violation.
Attack Information:  Microsoft WinVerifyTrust Cabview corruption security bypass (MS10-019)

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