Secunia Advisory SA10760Opera Browser File Download Extension Spoofing
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Description
A vulnerability has been discovered in Opera, which can be exploited by malicious web sites to spoof the file extension of downloadable files. The problem is that Opera can be tricked into opening a file with a different application than indicated by embedding a CLSID in the file name. This can be exploited to trick users into opening "trusted" file types, which are in fact malicious files. A demonstration of the vulnerability can be found here: http://secunia.com/Internet_Explorer_File_Download_Extension_Spoofing_Test/ Solution Deep Links Do you have additional information related to this advisory?Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com
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