Hi Guys,
If you are a user of WhatsApp on either Android or iOS and if you use their desktop client please stop what you are doing right now and make sure you are running the latest versions.
WhatsApp (Facebook) have just released details about several critical security vulnerabilities that have thankfully been fixed but in order to stay safe make sure you are running the latest versions.
Here are the technical details about the vulnerabilities that have been found and fixed:
CVE-2020-1894
A stack write overflow in WhatsApp for Android prior to v2.20.35, WhatsApp Business for Android prior to v2.20.20, WhatsApp for iPhone prior to v2.20.30, and WhatsApp Business for iPhone prior to v2.20.30 could have allowed arbitrary code execution when playing a specially crafted push to talk message.
CVE-2020-1891
A user controlled parameter used in video call in WhatsApp for Android prior to v2.20.17, WhatsApp Business for Android prior to v2.20.7, WhatsApp for iPhone prior to v2.20.20, and WhatsApp Business for iPhone prior to v2.20.20 could have allowed an out-of-bounds write on 32-bit devices.
CVE-2020-1890
A URL validation issue in WhatsApp for Android prior to v2.20.11 and WhatsApp Business for Android prior to v2.20.2 could have caused the recipient of a sticker message containing deliberately malformed data to load an image from a sender-controlled URL without user interaction.
CVE-2020-1889
A security feature bypass issue in WhatsApp Desktop versions prior to v0.3.4932 could have allowed for sandbox escape in Electron and escalation of privilege if combined with a remote code execution vulnerability inside the sandboxed renderer process.
CVE-2020-1886
A buffer overflow in WhatsApp for Android prior to v2.20.11 and WhatsApp Business for Android prior to v2.20.2 could have allowed an out-of-bounds write via a specially crafted video stream after receiving and answering a malicious video call.
CVE-2019-11928
An input validation issue in WhatsApp Desktop versions prior to v0.3.4932 could have allowed cross-site scripting upon clicking on a link from a specially crafted live location message.
Please share this alert with family and friends who use WhatsApp and as always let me know if you need any help with this or anything else.
Thanks and have a great day.
All the best,
Max Roberts
Incognito Privacy Care Team.