[jpshare]A Recent Research Revealed by University of Michigan Research team, Open Ports Create Backdoors in Millions of Smartphones .This Vulnerability Existing in Low secured Server Software which used to Serve for Remote Clients .
Many of Smart phones are using Open ports support in server and mostly it serves in Traditional servers which communication endpoint for accepting incoming connections.
According to the Researchers From University of Michigan, perform an open port usage analysis on 24K popular Android apps from Google Play ,and successfully classify 99% of the usage 5 category which including data sharing, proxy, remote execution, VoIP call,and PhoneGap by Using OPAnalyzer tool which Developed by they own
These open port Families, if its not much Protected most of the ports are directly enable a number of serious remote exploits .
Most popular usage, data sharing, over half of the paths can be easily triggered by any remote attacker, and in some usage categories such as proxy, over 80% of the paths are not protected.
According to the output of the OPAnalyzer Tool, they uncover 410 vulnerable applications with 956 potential exploits in total, and manually confirm 57 vulnerable apps including popular ones with 10 to 50 million downloads on the official market, and also an app that is pre-installed on some device models.Researchers Reported, “If one of these vulnerable open port apps is installed, your phone can be fully taken control of by attackers.”
Design Pattern of Open Port Apps:
Android application that opens a port for Accepting remote Command to push notifications on the client’s Device. The application initially makes a ServerSocket to Listen in on a TCP port.
Once a Victims associates with the port, the application peruses the remote contribution from the attachment and serves the demand.
In this illustration, the application checks whether the remote info contains the “PUSH” Command, and assuming this is the case, it begins pushing the messages contained in the remote contribution to Device notice bar.
An app’s open ports to steal photos with on-device malware:
The incoming connection notification, which pops up a window when a new host connects to the open port and displays the IP address of the host And the request is not served until user explicitly accepts the client by clicking the “allow” button, researchers said
Here the Demo Videos tested by the Researcher for steal photos with on-device Malware.
Steal photos via a network attack:
Victims behind NAT or using private WiFi networks, attackers sharing the same local network can use ARP scanning to find reachable smartphone IP addresses at first, and then launch targeted port scanning to discover vulnerable open ports .
Force to SMS to a premium service:
This video Demonstrate How Attacker Forcing victims to send a Premium rate SMS with one Click.
These vulnerabilities can be exploited to cause highly-severe damage such as remotely stealing contacts,photos, and even security credentials, and also performing sensitive actions such as malware installation and malicious code execution, Researchers said.
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