New Skype flaw can be used by cybercriminals to gain full access to your device

Updater process of Skype allows cybercriminals to gain admin privileges to any vulnerable computer.
This flaw can be used to obtain full admin privileges from a local unprivileged user. The problem with this flaw is that it can not be resolved fast it requires substantial code revision that will take time, so many devices are left exposed.
DLL hijacking technique can exploit Skype update installer flaw, this technique trick an application into running malicious code instead of the correct library. Any cybercriminal can download a malicious DLL and replace an existing DLL with it to obtain admin access to a system. This DLL swapping can be made thanks to Skype because it uses its built-in updater to keep the software up to date. This updater is different because it stands alone like an app that can be easily hijacked by the cybercriminals.

The obtained privileges will be used to steal files, delete data, and even encrypt data by running ransomware.
Microsoft was informed about this flaw, but the software giant said it would take a substantial code revision for offering a fix. Due to this, it will be no fast security update; the company will put its engineers to building an altogether new Skype application.

This is not the first time when the cybercriminals own Skype, it has been affected in the past by other malvertising attacks that ended up with substantial cybersecurity problems for the end user.

Remember that no system is safe and flaws will come and go, this is why a cybersecurity solution like antivirus or firewall is needed in every device that is connected to the internet. Only the protected devices can offer good security to your data.

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