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Vulnerability Note VU#776931

Aurigma ImageUploader ActiveX control stack buffer overflows

Overview

The Aurigma ImageUploader ActiveX control contains multiple stack buffer overflow vulnerabilities, which may allow a remote attacker to execute arbitrary code on a vulnerable system.

I. Description

Aurigma ImageUploader is an ActiveX control that provides the ability to upload pictures using the Internet Explorer web browser. The Aurigma ImageUploader ActiveX control is used by multiple web sites, such as Facebook and MySpace. This ActiveX control contains multiple stack buffer overflows in several properties, including Action, ExtractExif, and ExtractIptc. Limited testing has shown that versions up to and including version 5.0.30 may be vulnerable.

Exploit code is publicly available.

II. Impact

By convincing a user to view a specially crafted HTML document (e.g., a web page or an HTML email message or attachment), a remote, unauthenticated attacker may be able to execute arbitrary code with the privileges of the user on a vulnerable system.

III. Solution

We are currently unaware of a practical solution to this problem. Please consider the following workarounds:


Disable the Aurigma ImageUploader ActiveX controls in Internet Explorer

The Aurigma ActiveX controls can be disabled in Internet Explorer by setting the kill bit for the following CLSIDs. Note that this list may not include all versions of the control.

    {104B0A37-AB99-4F06-8032-8BBDC3B77DDB}
    {17D667BA-5675-4AAB-9221-08B9379384D4}
    {48DD0448-9209-4F81-9F6D-D83562940134}
    {55027008-315F-4F45-BBC3-8BE119764741}
    {5C6698D9-7BE4-4122-8EC5-291D84DBD4A0}
    {6E5E167B-1566-4316-B27F-0DDAB3484CF7}
    {A18962F6-E6ED-40B1-97C9-1FB36F38BFA8}
    {AE2B937E-EA7D-4A8D-888C-B68D7F72A3C4}
    {AE6C4705-0F11-4ACB-BDD4-37F138BEF289}
    {B85537E9-2D9C-400A-BC92-B04F4D9FF17D}
    {BA162249-F2C5-4851-8ADC-FC58CB424243}
    {D1D98C0F-A339-42AB-BD5F-EA0FF5D0E65F}
    {D1EA8D3D-F511-4388-B754-4A0CC14A4778}
    {F1F51698-7B63-4394-8743-1F4CF1853DE1}
    {F89EF74A-956B-4BD3-A066-4F23DF891982}
    {FB90BA05-66E6-4c56-BCD3-D65B0F7EBA39}
More information about how to set the kill bit is available in Microsoft Support Document 240797. Alternatively, the following text can be saved as a .REG file and imported to set the kill bit for this control:
    Windows Registry Editor Version 5.00

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{104B0A37-AB99-4F06-8032-8BBDC3B77DDB}]
    "Compatibility Flags"=dword:00000400

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{17D667BA-5675-4AAB-9221-08B9379384D4}]
    "Compatibility Flags"=dword:00000400

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{48DD0448-9209-4F81-9F6D-D83562940134}]
    "Compatibility Flags"=dword:00000400

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{55027008-315F-4F45-BBC3-8BE119764741}]
    "Compatibility Flags"=dword:00000400

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{5C6698D9-7BE4-4122-8EC5-291D84DBD4A0}]
    "Compatibility Flags"=dword:00000400

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{6E5E167B-1566-4316-B27F-0DDAB3484CF7}]
    "Compatibility Flags"=dword:00000400

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{A18962F6-E6ED-40B1-97C9-1FB36F38BFA8}]
    "Compatibility Flags"=dword:00000400

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{AE2B937E-EA7D-4A8D-888C-B68D7F72A3C4}]
    "Compatibility Flags"=dword:00000400

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{AE6C4705-0F11-4ACB-BDD4-37F138BEF289}]
    "Compatibility Flags"=dword:00000400

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{B85537E9-2D9C-400A-BC92-B04F4D9FF17D}]
    "Compatibility Flags"=dword:00000400

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{BA162249-F2C5-4851-8ADC-FC58CB424243}]
    "Compatibility Flags"=dword:00000400

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{D1D98C0F-A339-42AB-BD5F-EA0FF5D0E65F}]
    "Compatibility Flags"=dword:00000400

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{D1EA8D3D-F511-4388-B754-4A0CC14A4778}]
    "Compatibility Flags"=dword:00000400

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{F1F51698-7B63-4394-8743-1F4CF1853DE1}]
    "Compatibility Flags"=dword:00000400

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{F89EF74A-956B-4BD3-A066-4F23DF891982}]
    "Compatibility Flags"=dword:00000400

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{FB90BA05-66E6-4c56-BCD3-D65B0F7EBA39}]
    "Compatibility Flags"=dword:00000400
The Aurigma security bulletin contains a more complete list of CLSIDs used by the ImageUploader ActiveX control.

Disable ActiveX

Disabling ActiveX controls in the Internet Zone (or any zone used by an attacker) appears to prevent exploitation of this and other ActiveX vulnerabilities. Instructions for disabling ActiveX in the Internet Zone can be found in the "Securing Your Web Browser" document. 

Systems Affected
VendorStatusDate Updated
Aurigma Inc. Vulnerable4-Feb-2008
FacebookVulnerable4-Feb-2008
MySpace.comVulnerable4-Feb-2008
Nero Inc.Vulnerable8-Apr-2008

References


http://blogs.aurigma.com/post/2008/03/Official-security-bulletin.aspx
http://blogs.aurigma.com/post/2008/03/Image-Uploader-reborns---better-security-and-new-CLSIDs.aspx
http://seclists.org/fulldisclosure/2008/Jan/0593.html
http://seclists.org/fulldisclosure/2008/Feb/0023.html
http://secunia.com/advisories/28733/
http://www.securityfocus.com/bid/27533
http://blogs.aurigma.com/post/2008/01/Another-security-problem---oh%2c-not-again.aspx
http://secunia.com/advisories/28707/
http://secunia.com/advisories/28713/

Credit

This vulnerability was publicly disclosed by Elazar Broad.

This document was written by Will Dormann.

Other Information

Date Public11/22/2007
Date First Published02/04/2008 11:26:53 AM
Date Last Updated04/29/2008
CERT Advisory 
CVE NameCVE-2008-0660; CVE-2008-0659
US-CERT Technical Alerts 
Metric16.07
Document Revision15

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