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Category:   Application (Security)  >   Microsoft Malware Protection Engine Vendors:   Microsoft
Microsoft Malware Protection Engine Lets Remote Users Deny Service
SecurityTracker Alert ID:  1020016
SecurityTracker URL:
CVE Reference:   CVE-2008-1437, CVE-2008-1438   (Links to External Site)
Date:  May 13 2008
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Microsoft Malware Protection Engine. A remote user can cause denial of service conditions.

A remote user can create a specially crafted file that, when received by the target system and scanned by the Microsoft Malware Protection Engine, will cause the engine to crash and restart [CVE-2008-1437]. A remote user can also cause the engine to consume excessive disk space, crash, and restart [CVE-2008-1438].

The following products are affected:

Windows Live OneCare
Microsoft Antigen for Exchange
Microsoft Antigen for SMTP Gateway
Microsoft Windows Defender
Microsoft Forefront Client Security
Microsoft Forefront Security for Exchange Server
Microsoft Forefront Security for SharePoint
Standalone System Sweeper located in Diagnostics and Recovery Toolset 6.0

SoWhat of Nevis Labs reported this vulnerability.

Impact:   A remote user can cause the scanning engine to stop responding and then automatically restart.
Solution:   The vendor has issued fixes for the affected products (most of which are available automatically).

A restart is not required.

The Microsoft advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Input validation error
Underlying OS:  Windows (Any)

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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