Thorough CDMA/4G MitM attack on Android phones at DEF CON 19 ?

At Full Disclosure, an interesting post about a possible Android phone MitM hack.
Characteristics are listed; link;

'- full active MitM against CDMA and 4G connections from Rio to carriers.
- MitM positioning for remote exploitation to ring0 on Android and PC.
- fall back to userspace only or non-persistent methods when
persistent rootkit unattainable.
- many attack trees and weaponized exploits. escalation from easy pwns
up to specialized techniques and tactics until success is achieved.
- simultaneous attack across CDMA and 4G connections using full power
in these LICENSED bands.
- operated continuously (except for outages from early Saturday
until 8am Monday.
- designed with intent: mass exploitation, reconnaissance,
exfiltration, eavesdropping.'

And more talk at news.ycombinator.com link and reddit.com link