You might recall we’ve discussed the security of Industrial Control Systems before, the latest ‘evolution’ is the so called Smart Grid.
Which in all honestly, doesn’t seem to be very smart at all. In basic terms they are trying to turn the power-grid into a two way communication medium so consumers homes can report back to the grid what they are using and they can be disconnected via software rather than requiring physical intervention.
The scary part is there’s no encryption and many things are done without authentication, meaning with a little reverse engineering you can probably shut down the power to anyone on the not-so-smart grid.
New electricity meters being rolled out to millions of homes and businesses are riddled with security bugs that could bring down the power grid, according to a security researcher who plans to demonstrate several attacks at a security conference next month.
The so-called smart meters for the first time provide two-way communications between electricity users and the power plants that serve them. Prodded by billions of dollars from President Obama’s economic stimulus package, utilities in Seattle, Houston, Miami, and elsewhere are racing to install them as part of a plan to make the power grid more efficient. Their counterparts throughout Europe are also spending heavily on the new technology.
There’s just one problem: The newfangled meters needed to make the smart grid work are built on buggy software that’s easily hacked, said Mike Davis, a senior security consultant for IOActive. The vast majority of them use no encryption and ask for no authentication before carrying out sensitive functions such as running software updates and severing customers from the power grid. The vulnerabilities, he said, are ripe for abuse.
An embedded hardware system that will accept new firmware without authentication and nothing is encrypted? That is a hackers playground!
I hope they consider re-architecting the whole system ASAP on a secure platform and rolling that out as a software update. This is no small matter, this is the power grid we are talking about here – lives and business can be seriously effected by someone malicious who wanted to screw up the system.
Imagine if you work out the system and get in there first installing your own firmware which won’t accept any more updates from the main Grid system.
“For an embedded platform, they’re kind of scary,” he said. “It’s really not designed from the ground up for security. Just imagine if somebody is outside your house and has the unique identifier that’s printed on your meter.”
Companies that make gear for smart grids include GE Energy, The ABB Group, Sensus Metering, Itron and Landis+Gyr
One deficiency common among many of the meters is the use of insecure programming functions, such as memcpy() and strcpy(), which are two of the most common sources of exploitable software bugs. In many cases, the devices use general purpose hardware and software that aren’t designed for highly targeted or mission critical systems.
And all paid for by the new president and his generous stimulus packages. It seems like the whole thing has been taped together with band-aids.
There’s no excuse at all for using insecure programming functions in this day and age, I mean it’s 2009 for goodness sake.
How long has C programming been around now? And the concept of security and secure programming, especially for critical infrastructure systems like this.
Source: The Register (Thanks Alan)
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