this post was submitted on 06 May 2024
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Novel attack against virtually all VPN apps neuters their entire purpose (arstechnica.com)
submitted 6 months ago by jeffw to c/technology
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[–] [email protected] 7 points 6 months ago

The attack vector here seems to be public WiFi like coffee shops, airports, hotels and whatnot. The places you kinda do want to use a VPN.

On those, if they're not configured well such as coffee shops using consumer grade WiFi routers, an attacker on the same WiFi can respond to the DHCP request faster than the router or do an ARP spoof attack. The attacker can proxy the DHCP request to make sure you get a valid IP but add extra routes on top.