A Weakness Left Hyundai Vehicles Exposed to Tech-savvy Thieves
The cyber security firm Rapid7 recently recently informed the Hyundai Motor Company that its Blue Link smartphone application might be exposing its customers to an unsavory element — serving up another reminder that convenience frequently comes at a cost.
Software vulnerabilities in the app allowed Blue Link-equipped vehicles to be unlocked and even started remotely, making them susceptible to theft from high-tech criminals for a period of three months until the company finally fixed the bug in March. Hyundai says that is is unaware of any mishaps stemming from the issue.
“The issue did not have a direct impact on vehicle safety,” said Jim Trainor, a spokesman for Hyundai Motor America. “Hyundai is not aware of any customers being impacted by this potential vulnerability.”
Before anyone flies off the handle to go on an anti-technology rant, remember that low-tech solutions remain the car thief’s primary weapons of choice. While some thieves are using key programmers and plugging into diagnostic ports before driving away, the $9 slim jim and screwdriver method still work just fine on plenty of vehicles. Computer-based crime is just one of many ways to accomplish the same goal.
Still, in the case of the Hyundai bug, the car isn’t the only thing that’s up for grabs. Personal information could also be accessed by thieves. Of course, this has less to do with the car and more to do with additional steps needed to exploit the Blue Link app. Would-be victims need to have accessed a corrupted Wi-Fi network via their phone.
“With the [decryption] key and an evil Wi-Fi hotspot, an attacker could wait for that log data to go through the network and get personal information on users, including name, address, log data, GPS data and get the PIN for the application,” explained Tod Beardsley, Rapid7 principal security research manager. “From there, they could download the app, register as the user, log in and remote start the vehicle, whatever they wanted.”
This mode of hacking is impractical in most parts of the country, though identity thieves in dense urban areas have frequently used the technique to pilfer sensitive information in the past. It would certainly be possible to steal a car in this manner, but it might not be worth the added effort.
That makes this less of a cautionary tale and more of a reminder that newer cars have a multitude of access points for potential thieves to exploit. In 2015 General Motors patched a bug that permitted remote access to some of its OnStar-equipped vehicles and Fiat Chrysler recalled 1.4 million units after two researchers, working with Wired, proved it was possible to gain remote control of a Jeep. Those researchers even managed to disable it as it drove down a highway.
Rapid7 privately disclosed the vulnerability to Hyundai in February, and it has since been fixed by removing the affected LogManager log transmission feature entirely. Hyundai also disabled the TCP service that received the encrypted log data and a file with the user’s email address. The update, Rapid7 said, was marked mandatory in both Google Play and the iPhone’s App Store.
“We talked to Hyundai and they have been great. They patched the software to remove the log dump functionality completely,” Beardsley explained. “We were expecting HTTPS with certificate pinning, something like that, but they ripped it out entirely and shut down the log service entirely. So if an app missed an update, it doesn’t matter because it fails to connect now.”
[Source: Reuters] [Image: Hyundai]
Newenthusiast on Apr 25, 2017
I have come to the conclusion that I must be a luddite or a curmudgeon or both. Between stories like this and the accident statistics that show the toll (in lives) that distracted driving takes, it only makes sense to continue to keep my phone off when I drive. Unless I'm expected an absolute emergency phone call, nothing is more important than road safety when I'm behind the wheel. So, help me out: Do that many people have the combination of work issued phones or work on the road and a terrible boss that they fear not answering a call or text? It seems like using a phone (and its associated tech needed to make it work with your car) while driving is all risk, and no reward.
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