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.
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.
Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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