The device driver, which comes default with these devices are installed on the host system, they usually provide interrupt handling for asynchronous hardware interface.” Sasi explained. These SMS modules added to the dialers, simply check the connected USB modem for incoming SMS messages, and if any new message is found it’s parsed and moved to a local sqlite database, which is further used to populate the SMS viewer. This is mainly done for sending promotion offers and advertising. One of the interesting features that are added to these dialer software’s is an interface to read/sent SMS from your computer directly. They also come bundled with device driver. “These devices are supplied with dialer software either written by the hardware manufacture or by the mobile supplier. Rahul Sasi explained in his post that USB Internet Modems have a built-in dialer software that has an interface to read and send SMSs. Idea, Reliance, Tata) are exposed to the risk of exploiting for the USB Internet Modems vulnerability, no patch has yet released to fix it. Each series of modems is equipped with a specific version of the USB modem software.Īll local Indian modem vendors (e.g. The Indian researcher revealed that the USB Internet Modems vulnerability could be used on large scale considering that modems respond to a phone number which lies in a particular series. The researcher reported to the “ The Hacker News” team that exploiting the USB Internet Modems vulnerability he could hack computers remotely to gain the Meterpreter shell or full access to the victim’s computer. The USB Internet Modems belong to a category of modem that allows to the Internet, through a connection to a GSM/CDMA network, via USB Port creating a PPPoE (Point to Point protocol over Ethernet) interface to the user’s PC. The Indian Security expert ‘ Rahul Sasi‘ announced to have found a USB Internet Modems vulnerability that could allow an attacker to execute malicious code remotely simply sending an SMS to the victim. The Indian security expert ‘Rahul Sasi’ found a USB Internet Modems vulnerability that could allow to gain Meterpreter shell or full access to the victim just sending an SMS.
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