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Category:   Application (Instant Messaging/IRC/Chat)  >   Yahoo Messenger Vendors:   Yahoo
Yahoo Messenger Buffer Overflow in ActiveX Control Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1017387
SecurityTracker URL:  http://securitytracker.com/id/1017387
CVE Reference:   CVE-2006-6603   (Links to External Site)
Updated:  May 22 2008
Original Entry Date:  Dec 15 2006
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to November 2, 2006
Description:   A vulnerability was reported in Yahoo Messenger. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create specially crafted HTML that, when loaded by the target user, will trigger a buffer overflow in an ActiveX control and execute arbitrary code on the target system. The code will run with the privileges of the target user.

The CLSID of the affected control is AA218328-0EA8-4D70-8972-E987A9190FF4. Versions prior to 2005.1.1.4 are affected.

Impact:   A remote user can create HTML that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   The vendor has issued a fix. Users are prompted to download the fix when they sign in to the Messenger service.

The Yahoo! advisory is available at:

http://messenger.yahoo.com/security_update.php?id=120806

Vendor URL:  messenger.yahoo.com/security_update.php?id=120806 (Links to External Site)
Cause:   Boundary error
Underlying OS:  Windows (Any)

Message History:   None.


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