YingZhi Python 1.9 Arbitrary Traversal / Write

`YingZhi Python Programming Language for iOS  
  
Vendor: XiaoWen Huang  
  
Version 1.9.  
  
Product Websites  
http://sosilen.blog.163.com  
http://www.iphoneappstorm.com/iphone-apps/utilities/com.yingzhi.python/yingzhipython.php?id=493505744 YingZhi  
  
Description:  
Python Interpreter is a native python development application for the iPad/iPhone. It is available for iOS 4 and above.  
  
The product is packaged with its own httpd and ftpd servers. Enabling the local daemons for development by Touching Computer<->This Machine starts up an httpd server and ftpd server, both daemons are bound to device IP not localhost.  
  
Vulnerabilities:  
  
httpd server allows upload of arbitrary files to root WWW directory.  
  
Browsing to http://<target_ip>:8080/ presents an index page in which anyone can upload files to the web servers root directory.  
  
ftp server vulnerable to ../ bug  
  
The ftp server doesn't sanitize user input and allows remote users to read and possibly write to the devices storage.  
  
ftp://192.168.0.24:10000/../../../../../../../private/etc/passwd  
  
The ftp server doesn't bother authenticating users, any username/password combination will allow you in.  
  
Larry Cashdollar @lcashdol  
  
http://vapid.dhs.org  
`