Check Point Advisories

Microsoft Malware Protection Engine Disk Space Exhaustion (MS08-029; CVE-2008-1438)

Check Point Reference: CPAI-2008-070
Date Published: 13 May 2008
Severity: Medium
Last Updated: 2 Jan 2019
Source:
Industry Reference:CVE-2008-1438
Protection Provided by:

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

Who is Vulnerable?
Vulnerability Description The Microsoft Malware Protection Engine provides the scanning, detection and cleaning capabilities for the following antivirus and antispyware clients: Windows Live OneCare, Microsoft Forefront Security, Microsoft Antigen, and Windows Defender. A denial of service vulnerability has been identified in the Microsoft Malware Protection Engine. A remote attacker could exploit this issue via a specially crafted file. The vulnerability is due to an error in the Microsoft Malware Protection Engine that fails to properly validate certain data structures while parsing files. A remote attacker could trigger this flaw by convincing a victim to open a specially crafted file that allows a denial of service when the target Microsoft Malware Protection Engine scans it. Successful exploitation of this issue may cause the affected system to create large temporary files, creating a denial of service condition by filling up the systems disk space.

Protection Overview

This protection will detect and block malformed files attempting 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 / R71 / R70 / R65

  1. In the IPS tab, click Protections and find the Microsoft Malware Protection Engine Disk Space Exhaustion (MS08-029) 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 Malware Protection Engine Disk Space Exhaustion (MS08-029)

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