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iDefense Security Advisory 10.25.06: AOL YGPPDownload downloadFileDirectory ActiveX Control Heap Corruption Vulnerability
From: iDefense Labs <labs-no-reply () idefense com>
Date: Wed, 25 Oct 2006 16:34:54 -0400
AOL YGPPDownload downloadFileDirectory ActiveX Control Heap Corruption
iDefense Security Advisory 10.25.06
Oct 25, 2006
America Online 9.0 Security Edition builds upon Internet Explorer
technology to offer its users enhanced security and usability features.
More information can be found on the vendors site at the following url:
America Online 9.0 Security Edition ships with an ActiveX control which
is marked as safe for scripting and contains a buffer overflow
vulnerability which allows for the arbitrary execution of code.
When AOL 9.0 is installed, it registers the following ActiveX control on
This control is registered as safe for scripting in IE and contains a
buffer overflow in its downloadFileDirectory property.
Exploitation of this vulnerability allows for arbitrary execution of
code as the currently logged in user. Users would need to be convinced
to go to a malicious web site in order to be exploited.
This vulnerability has been verified in AOL Security Edition 9.0 with
downloader plugin version 188.8.131.52
Disabling Active Scripting or unregistering the vulnerable control can
VI. VENDOR RESPONSE
"All AOL software versions are affected by this issue.
1. Users of AOL 9.0 or AOL 9.0 Security Edition are recommended to log
in to the AOL service and a fix will be seamlessly applied to their
2. Users using versions of AOL that are older than 9.0 are strongly
recommended to upgrade to the latest version of AOL 9.0 Security
VII. CVE INFORMATION
A Mitre Corp. Common Vulnerabilities and Exposures (CVE) number has not
been assigned yet.
VIII. DISCLOSURE TIMELINE
10/12/2006 Initial vendor notification
10/23/2006 Initial vendor response
10/25/2006 Coordinated public disclosure
The discoverer of this vulnerability wishes to remain anonymous.
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X. LEGAL NOTICES
Copyright © 2006 iDefense, Inc.
Permission is granted for the redistribution of this alert
electronically. It may not be edited in any way without the express
written consent of iDefense. If you wish to reprint the whole or any
part of this alert in any other medium other than electronically, please
email customerservice () idefense com for permission.
Disclaimer: The information in the advisory is believed to be accurate
at the time of publishing based on currently available information. Use
of the information constitutes acceptance for use in an AS IS condition.
There are no warranties with regard to this information. Neither the
author nor the publisher accepts any liability for any direct, indirect,
or consequential loss or damage arising from use of, or reliance on,
- iDefense Security Advisory 10.25.06: AOL YGPPDownload downloadFileDirectory ActiveX Control Heap Corruption Vulnerability iDefense Labs (Oct 25)