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	"title": "Samsung S6 calls open to man-in-the-middle base station snooping",
	"llm_title": "",
	"authors": "",
	"file_creation_date": "0001-01-01T00:00:00Z",
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	"plain_text": "Samsung S6 calls open to man-in-the-middle base station snooping\r\nBy Darren Pauli\r\nPublished: 2015-11-12 · Archived: 2026-04-05 14:51:57 UTC\r\nPacSec Modern Samsung devices including the S6, S6 Edge and Note 4 can have phone calls intercepted using\r\nmalicious base stations, according to initial research findings from two researchers.\r\nDaniel Komaromy and Nico Golde demonstrated the attacks on Samsung's 'Shannon' line of baseband chips today\r\nat the Mobile Pwn2Own competition at PacSec, Toyko.\r\nFull exploitation details of their research has not been publicly detailed, but it has been disclosed to Samsung.\r\nTheir cheap man-in-the-middle attack requires an OpenBTS base station to be established and located near target\r\nhandsets.\r\nHandsets will automatically connect to the bogus station.\r\nThe malicious base station then pushes firmware to the phone's baseband processor (the chip that handles voice\r\ncalls, and which isn't directly accessible to end users).\r\nThe firmware patch pushes phone calls through the bogus base station, which redirects them to a proxy that\r\nrecords them and passes them on to the intended recipient.\r\nKomaromy says the full impact of the attack along with any mitigating factors will be known once seasoned\r\nresearchers examine their work.\r\n\"Our example of modifying the baseband to hijack calls is just an example,\" Komaromy told Vulture South.\r\n\"The idea with hijacking would be that you can redirect calls to a proxy (like a SIP proxy) and that way you can\r\nman-in-the-middle the call.\r\n\"So that means the caller sees her original call connected - but it can be recorded in the proxy [which is how] it's\r\nlike a wiretap implant.\"\r\nhttp://www.theregister.co.uk/2015/11/12/mobile_pwn2own1/\r\nPage 1 of 3\n\nNico Golde (l) and Daniel Komaromy at Pwn2Own today. 📷 Drago Ruiu\r\nThe attack was tested on a new Samsung Galaxy S6 Edge which PacSec organiser Dragos Ruiu took out of its box\r\nand updated before handing it over.\r\n\"I turned it on next to their radio and then dialled myself,\" Ruiu says of the demonstration held deep below the\r\nTokyo conference to avoid pwning delegate phones. \"And instead of ringing on my phone it rang on theirs.\"\r\nThe hacker duo now own the phone as a prize and will in March travel to Canada for CanSecWest on a ski trip\r\nalong with their spouses. They will present further technical detail of the attack at that lauded conference.\r\nIt comes as Chinese researcher Guang Gong popped the latest version of Google Chrome at the contest.\r\nAs El Reg reported, the attack likely affects all Android phones and allows the devices to be completely\r\ncompromised through a single exploit that requires no interaction beyond visiting a crafted web site.\r\nhttp://www.theregister.co.uk/2015/11/12/mobile_pwn2own1/\r\nPage 2 of 3\n\nRuiu is offering ski trips and vendors may cough up bug bounties in exchange for the winning hacks. Last year\r\nhackers hosed popular phones for shares in $425,000 in cash rewards, but security sponsors Google, Apple,\r\nMicrosoft and Hewlett Packard's Zero Day Initiative pulled out. ®\r\nSource: http://www.theregister.co.uk/2015/11/12/mobile_pwn2own1/\r\nhttp://www.theregister.co.uk/2015/11/12/mobile_pwn2own1/\r\nPage 3 of 3",
	"extraction_quality": 1,
	"language": "EN",
	"sources": [
		"MITRE"
	],
	"references": [
		"http://www.theregister.co.uk/2015/11/12/mobile_pwn2own1/"
	],
	"report_names": [
		"mobile_pwn2own1"
	],
	"threat_actors": [],
	"ts_created_at": 1775434151,
	"ts_updated_at": 1775791269,
	"ts_creation_date": 0,
	"ts_modification_date": 0,
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