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Google Toolbar Custom Button Installer Dialog Spoofing Weakness
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Secunia Advisory:
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SA28166
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Release Date:
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2007-12-21
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Last Update:
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2008-01-02
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Popularity:
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7,047 views
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Critical:
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Less critical
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Impact:
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Spoofing
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | Google Toolbar 1.x
Google Toolbar 2.x
Google Toolbar 3.x
Google Toolbar 4.x
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| CVE reference: | CVE-2007-6536
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Description:
Aviv Raff has discovered a weakness in Google Toolbar, which can be exploited by malicious people to conduct spoofing attacks.
The weakness is caused due to an error when handling domains that are being displayed in the Custom Button Installer dialog. This can be exploited to spoof the origin of a custom button and the domain information in the "privacy considerations" section via a specially crafted xml file in combination with a redirector page.
The weakness is confirmed in Google Toolbar version 4.0.1601.4987 for Internet Explorer. Other versions may also be affected.
Solution:
Do not rely on information in the Custom Button dialog when installing custom buttons.
Provided and/or discovered by:
Aviv Raff
Changelog:
2007-12-24: Corrected discoverer's name.
2008-01-02: Added CVE reference.
Original Advisory:
http://aviv.raffon.net/2007/12/18/GoogleToolbarDialogSpoofingVulnerability.aspx
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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