Title: Microsoft Internet Explorer 'INPUT TYPE=FILE' Vulnerability
Severity: MODERATE
Description:
One of the ways users submit information to remote websites is through the INPUT type form options. Users can upload files to remote webservers with the input type=FILE option.
Due to a design error in the implementation of the INPUT TYPE=FILE variable , it is possible for a website operator to specify a known filename from the visitors machine for upload to the website.
This vulnerability is exploitable under certain circumstances, the filename would have to be known by the website operator, the amount of characters that exist in the filename would have to be the same amount of characters the user typed in the form, and the visiting user would need to have at least read access to the known file. This vulnerability does not allow the website operator to delete or modify any files on the visitors machine.
Successful exploitation of this vulnerability could lead to the disclosure of sensitive information and possibly assist in further attacks against the victim.
Affected Products:
- Microsoft Internet Explorer 5.0 for Windows 2000
- Microsoft Internet Explorer 5.0 for Windows 95
- Microsoft Internet Explorer 5.0 for Windows 98
- Microsoft Internet Explorer 5.0 for Windows NT 4.0
- Microsoft Internet Explorer 5.0.1 SP1
- Microsoft Internet Explorer 5.5
- Microsoft Internet Explorer 5.5 SP1
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows ME
- Microsoft Windows NT 4.0
References:
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