Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: zen cycle <funkmasterxx@hotmail.com>
Newsgroups: rec.bicycles.tech
Subject: Re: Jamming Shimano Di2
Date: Sat, 17 Aug 2024 08:09:03 -0400
Organization: A noiseless patient Spider
Lines: 37
Message-ID: <v9q3t0$1sfv4$10@dont-email.me>
References: <ona0cjlnpdmjv5c2r6nlm1ubb3mi4jqf55@4ax.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
Injection-Date: Sat, 17 Aug 2024 14:09:04 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="194a004a06a40209b036dd2d2c621107";
	logging-data="1982436"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX18Ci/ZxMo7HuilQ403gbMYJib8QHEJw/rA="
User-Agent: Mozilla Thunderbird
Cancel-Lock: sha1:uQbSaeYdqQk+yLVZUSctMFD4GT4=
In-Reply-To: <ona0cjlnpdmjv5c2r6nlm1ubb3mi4jqf55@4ax.com>
Content-Language: en-US
Bytes: 3013

On 8/17/2024 1:06 AM, Jeff Liebermann wrote:
> Welcome to electronic warfare for bicycle racing.
> 
> "High-end racing bikes are now vulnerable to hacking"
> <https://www.theverge.com/2024/8/14/24220390/bike-hack-wireless-gear-shifters>
> "They also found it’s possible to disable gear shifting for one
> particular bike with a targeted jamming attack, rather than impacting
> all surrounding ones."
> 
> "Cybersecurity Flaws Could Derail High-profile Cycling Races"
> <https://today.ucsd.edu/story/cybersecurity-flaws-could-derail-high-profile-cycling-races>
> "Attackers can record and retransmit gear-shifting commands, allowing
> them to control gear-shifting on the bike without the need for
> authentication via cryptographic keys."
> 
> "No, you won't be able to hack pro cyclists' electronic gears"
> <https://road.cc/content/tech-news/no-you-wont-be-able-hack-pro-cyclists-electronic-gears-309913>
> "Could one of the world's best professional cyclists lose a bike race
> because of nefarious hacking or jamming of their electronic shifting?
> That's the question thrust into the spotlight since US-based
> researchers revealed a radio attack technique that can target and hack
> into Shimano Di2, causing a cyclist's gears to change, or even be
> disabled, via a £175 device up to 10 metres away."
> 
> "MakeShift: Security Analysis of Shimano Di2 Wireless Gear Shifting in
> Bicycles"
> <https://www.usenix.org/system/files/woot24-motallebighomi.pdf>
> "...we uncovered the following critical vulnerabilities:
> (1) A lack of mechanisms to prevent replay attacks that allows an
> attacker to capture and retransmit gear shifting commands;
> (2) Susceptibility to targeted jamming, that allows an attacker to
> disable shifting on a specific target bike;
> (3) Information leakage resulting from the use of ANT+ communication,
> that allows an attacker to inspect telemetry from a target bike."
> 

something tells me this could get very interesting....