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Category:   Application (Generic)  >   Microsoft Agent Vendors:   Microsoft
Microsoft Agent ActiveX Control Memory Corruption Error Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1018677
SecurityTracker URL:  http://securitytracker.com/id/1018677
CVE Reference:   CVE-2007-3040   (Links to External Site)
Date:  Sep 11 2007
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Microsoft Agent. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted URL that, when loaded by the target user, will trigger a memory corruption error in the Microsoft Agent ActiveX control and execute arbitrary code on the target system. The code will run with the privileges of the target user.

The Vulnerability Research team of Assurent Secure Technologies, Yamata Li of Palo Alto Networks, and a researcher working with VeriSign iDefense separately reported this vulnerability.

Impact:   A remote user can create a URL that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   The vendor has issued the following fix:

Microsoft Windows 2000 Service Pack 4:

http://www.microsoft.com/downloads/details.aspx?FamilyId=7cd248ed-d154-4dce-89ef-ceefd2700965

A restart is required.

The Microsoft advisory is available at:

http://www.microsoft.com/technet/security/bulletin/ms07-051.mspx

Vendor URL:  www.microsoft.com/technet/security/bulletin/ms07-051.mspx (Links to External Site)
Cause:   Input validation error
Underlying OS:  Windows (2000)

Message History:   None.


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