If someone has sent you an MP4 file on WhatsApp, you may want to think again if you plan on downloading it as hackers may use a critical vulnerability in the app to execute snooping attack on both Android and iOS devices. The specially crafted MP4 file triggers the remote code execution (RCE) and denial of service (DoS) cyber-attack. WhatsApp users are recommended to update their WhatsApp app to avoid being targeted.
gbhackers.com reported “The vulnerability is classified as ‘Critical’ severity that affected an unknown code block of the component MP4 File Handler in WhatsApp.”
Facebook has issued an advisory, saying “A stack-based buffer overflow could be triggered in WhatsApp by sending a specially crafted MP4 file to a WhatsApp user.”
“The issue was present in parsing the elementary stream metadata of an MP4 file and could result in a DoS or RCE.”
The new vulnerability is found in Android versions prior to 2.19.274; iOS versions prior to 2.19.100; Enterprise Client versions prior to 2.25.3; Business for Android versions prior to 2.19.104; Business for iOS versions prior to 2.19.100; and Windows Phone versions before and including 2.18.368.
Hackers can use the WhatsApp vulnerability to deploy the malware on the user’s device to steal sensitive files and also used to surveillance purpose without any authentication.