CVE-2016-7200 & CVE-2016-7201 are vulnerabilities in the Chakra JavaScript scripting engine in Microsoft Edge. Reported by Natalie Silvanovich of Google Project Zero, those have been fixed in november 2016 (MS16-129) by Microsoft.
On 2017-01-04 @theori_io released a POC
Proof-of-Concept exploit for Edge bugs (CVE-2016-7200 & CVE-2016-7201) —https://t.co/DnwQt5giMB— Theori (@theori_io) 4 janvier 2017
providing again (cf CVE-2016-0189) ready-to-use code to Exploit Kit maintainer.
After not far from 6 months without new exploit integrated in an EK ecosystem which has lost its innovation locomotive (Angler) , the drive-by landscape is struggling to stay in shape. Low infection rate means more difficulties to properly convert bought traffic.
The exploits are spotted first in Sundown, but integration in RIG/Empire/Neutrino/Magnitude/Kaixin should be a matter of hours/days.
Sundown:
2017-01-06
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| Sundown EK firing CVE-2016-7200/7201 to Edge 2017-01-06 No exploitation here though |
Out of topic: expected payload in that infection chain was zloader. (other payload seen in past weeks dropped via Sundown : Zeus Panda, Neutrino Bot, Dreambot, Chthonic, Andromeda, Smokebot, Betabot, Remcos, IAP, RTM, Kronos, Bitcoin Miner)
Read More:
Three roads lead to Rome - Qihoo360 - 2016-11-29
Proof-of-Concept exploit for Edge bugs (CVE-2016-7200 & CVE-2016-7201) - Theori-io - 2017-01-04