A new privilege escalation #vulnerability
allows an attacker with physical access to do #unauthorized
browsing on the locked system.
observed two different scenario’s, in the first scenario attackers, can force #Microsoft
Edge browser to navigate to the URL hosted in attacker’s server, with the second case an attacker can use limited Version IE #browser
with the victim credentials and impersonate as a victim.
With the previous Cortana Vulnerability CVE-2018-8140 Allows Hackers to Break into your Locked Windows 10 PC.
Cortana Vulnerability – Edge
With the first scenario, the privilege escalation vulnerability allows an attacker to force navigation the locked screen and all the attacker needs to have a physical access to the device and this vulnerability does not allow an attacker to unlock the system.
Cortana is a virtual #personalassistant
and brings the search results to form the #Bing
spotted the links offered are clickable even though the device is locked. This allows an attacker to force #navigation
to a #website
To accomplish this researcher’s registered the available domain that pointed in the website link and asked Cortana to search for “Miss Aruba” with the locked device and the Cortana retrieves the result. With the appeared results the links appeared to be clickable.
By clicking the link they observed the Edge browser retrieves the content even though the device remains in the locked state
“This attack could occur at a coffee shop, retailer, bank, or against targeted individuals. This configuration is the default on Windows, and our research has shown that many users never disable Cortana from the lock screen.”
Cortana Vulnerability – Internet Explorer
With the system locked researchers asked “Hey Cortana, I want to sell my house” based on the query it offers the results for Real Estate Search and Haunted house.