It has been three years since the invention of the Open Smart Grid Protocol, and in that time it has found its way into over four million smart meters and devices worldwide.
It’s very similar to its brethren as it is full of security issues. Two researchers, Philipp Jovanovic of the University of Passau in Germany and Samuel Neves of the University of Coimbra in Portugal, published a paper exposing encryption weaknesses in the protocol.
The paper explains how the encryption scheme used in the OSGP is open to several attacks, the paper only demonstrates a few that can be exploited with minimal effort.
“This function has been found to be extremely weak, and cannot be assumed to provide any authenticity guarantee whatsoever,” the researchers wrote.
Adam Crain, a security researcher said the home made function is a “big red flag”.“Protocol designers should stick to known good algorithms or even the ‘NIST-approved’ short list”
The weaknesses discovered by Jovanovic and Neves enabled them to recover private keys with relative ease: 13 queries to an OMA digest oracle and negligible time complexity in one attack, and another in just four queries and 2^25 time complexity” “A different approach only requires one arbitrary valid plaintext-tag pair, and recovers the key in an average of 144 message verification queries, or one ciphertext-tag pair and 168 ciphertext verification queries”
Sounds like this is quite a nasty vulnerability!
Thank you to ThreatPost for providing us with this information
Image courtesy of WPA
Electronic Arts (EA) announced today that its games were played for over 11 billion hours…
Steam's annual end-of-year recap, Steam Replay, provides fascinating insights into gamer habits by comparing individual…
GSC GameWorld released a major title update for STALKER 2 this seeking, bringing the game…
Without any formal announcement, Intel appears to have revealed its new Core 200H series processors…
Ubisoft is not having the best of times, but despite recent flops, the company still…
If you haven’t started playing STALKER 2: Heart of Chornobyl yet, now might be the…