Created
April 14, 2017 13:14
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Simple ASPX application (vulnerable to OS command injections)
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| <%@ Page Language="C#" Debug="true" Trace="false" %> | |
| <%@ Import Namespace="System.Diagnostics" %> | |
| <%@ Import Namespace="System.IO" %> | |
| <script Language="c#" runat="server"> | |
| void Page_Load(object sender, EventArgs e){ | |
| } | |
| string ExcuteCmd(string arg){ | |
| ProcessStartInfo psi = new ProcessStartInfo(); | |
| psi.FileName = "cmd.exe"; | |
| psi.Arguments = "/c ping -n 2 " + arg; | |
| psi.RedirectStandardOutput = true; | |
| psi.UseShellExecute = false; | |
| Process p = Process.Start(psi); | |
| StreamReader stmrdr = p.StandardOutput; | |
| string s = stmrdr.ReadToEnd(); | |
| stmrdr.Close(); | |
| return s; | |
| } | |
| void cmdExe_Click(object sender, System.EventArgs e){ | |
| Response.Write(Server.HtmlEncode(ExcuteCmd(addr.Text))); | |
| } | |
| </script> | |
| <HTML> | |
| <HEAD> | |
| <title>ASP.NET Ping Application</title> | |
| </HEAD> | |
| <body> | |
| <form id="cmd" method="post" runat="server"> | |
| <asp:Label id="lblText" runat="server">Command:</asp:Label> | |
| <asp:TextBox id="addr" runat="server" Width="250px"> | |
| </asp:TextBox> | |
| <asp:Button id="testing" runat="server" Text="excute" OnClick="cmdExe_Click"> | |
| </asp:Button> | |
| </form> | |
| </body> | |
| </HTML> |
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