Security Problems with Gas Station Automated Tank Gauges


[HD Moore] recently posted an article on Rapid 7’s blog about an interesting security problem. They’ve been doing some research into the security of automated tank gauges (ATGs). These devices are used at gas stations and perform various functions including monitoring fuel levels, tracking deliveries, or raising alarms. [Moore] says that ATGs are used at nearly every fueling station in the United States, but they are also used internationally. It turns out these things are often not secured properly.

Many ATG’s have a built-in serial port for programming and monitoring. Some systems also have a TCP/IP card, or even a serial to TCP/IP adapter. These cards allow technicians to monitor the system remotely. The most common TCP port used in these systems is port 10001. Some of these systems have the ability to be password protected, but Rapid 7’s findings indicate that many of them are left wide open.


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