Akamai Download Manager ActiveX Control Buffer Overflow Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID: 1017925|
SecurityTracker URL: http://securitytracker.com/id/1017925
(Links to External Site)
Updated: Aug 14 2007|
Original Entry Date: Apr 17 2007
Execution of arbitrary code via network, User access via network|
Fix Available: Yes Vendor Confirmed: Yes |
Version(s): 188.8.131.52; possibly other versions|
A vulnerability was reported in Akamai Download Manager. 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 the 'DownloadManagerV2.ocx' 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 vulnerable control is:
The vendor was notified on April 3, 2007.
McSlibin discovered this vulnerability. iDefense reported this vulnerability.
Fortinet also discovered a vulnerability in this control.
A remote user can create HTML that, when loaded by the target user, will execute arbitrary code on the target user's system.|
The vendor has issued a fixed version, available at the following URL:|
Vendor URL: www.akamai.com/html/technology/products/http_downloads.html (Links to External Site)
|Underlying OS: Windows (Any)|
This archive entry has one or more follow-up message(s) listed below.|
Source Message Contents
Date: Mon, 16 Apr 2007 19:23:37 -0400|
Subject: iDefense Security Advisory 04.16.07: Akamai Download Manager ActiveX
Akamai Download Manager ActiveX Stack Buffer Overflow Vulnerability
iDefense Security Advisory 04.16.07
Apr 16, 2007
Akamai Technologies, Inc's provides distributed computing platform for
global Internet content caching and application delivery. Akamai
Download Manager is a component of Akamai's service. For more
information please visit following websites.
Remote exploitation of a buffer overflow vulnerability in Akamai
Technologies, Inc's Download Manager ActiveX Control could allow an
attacker to execute arbitrary code within the security context of the
The ActiveX control in question has the following identifiers:
Class: DownloadManager Control
File: C:\Windows\Downloaded Program Files\DownloadManagerV2.ocx
The vulnerability specifically exists due to incorrect use of the
GetPrivateProfileSectionW function. The nSize parameter is incorrectly
passed the total number of bytes available, rather than the number of
wide characters available. This leads to an exploitable stack-based
Successful exploitation of this vulnerability would allow a remote
attacker to execute arbitrary code within the context of the targeted
In order to exploit this vulnerability, an attacker would need to
persuade the victim into viewing a malicious web site. This is usually
accomplished by getting the victim into clicking a link in a form of
electronic communication such as e-mail or instant messaging.
Additionally, the victim must either accept and install, or already
have the download manager control on their system.
iDefense has confirmed the existence of this vulnerability within
version 184.108.40.206 of Akamai Technologies Inc's DownloadManagerV2.ocx. All
older versions are suspected to be vulnerable.
Setting the kill-bit for this control will prevent it from being loaded
within Internet Explorer. However, doing so will prevent legitimate use
of the control.
VI. VENDOR RESPONSE
"Affected users can upgrade to the latest version of Akamai Download
Manager by visiting the following web page:
Visiting that page or any other Download Manager enabled page will
prompt the user to install the latest version of the software
automatically. Akamai has successfully coordinated with each of our
enterprise customers to ensure that all are distributing the patched
VII. CVE INFORMATION
The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2007-1891 to this issue. This is a candidate for inclusion in
the CVE list (http://cve.mitre.org/), which standardizes names for
VIII. DISCLOSURE TIMELINE
04/03/2007 Initial vendor notification
04/03/2007 Initial vendor response
04/16/2007 Coordinated public disclosure
This vulnerability was reported to iDefense by McSlibin.
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X. LEGAL NOTICES
Copyright © 2007 iDefense, Inc.
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