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Ask Toolbar ToolbarSettings ActiveX Control Buffer Overflow
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Secunia Advisory:
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SA26960
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Release Date:
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2007-09-25
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Last Update:
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2007-09-28
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Popularity:
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8,244 views
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Critical:
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Highly critical
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Impact:
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System access
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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: | Ask Toolbar 4.x
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| CVE reference: | CVE-2007-5107
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Description:
Joey Mengele has discovered a vulnerability in Ask Toolbar, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error in the AskJeevesToolBar.SettingsPlugin.1 ActiveX control (askBar.dll) when handling the "ShortFormat" property. This can be exploited to cause a stack-based buffer overflow by assigning an overly long (greater than 500 bytes) string to the affected property.
Successful exploitation allows execution of arbitrary code.
The vulnerability is confirmed in version 4.0.2. Other versions may also be affected.
Solution:
Set the kill-bit for the affected ActiveX control.
Provided and/or discovered by:
Joey Mengele
Changelog:
2007-09-28: Added CVE reference.
Original Advisory:
http://www.milw0rm.com/exploits/4452
Extended Solution:
The "Extended Solution" section is available for Secunia customers only. Request a trial and get access to the Secunia Customer Area and Extended Secunia advisories.
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About this Secunia Advisory
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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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