It allowed hackers to use specially-crafted MP4 video files (which look seemingly standard) to remotely execute malicious code on your devices without your knowledge.
Business Shopper versions prior to 2.25.3 and Home windows Cellphone variations of WhatsApp together with two.18.368 and below are also impacted.
It has not spared the business version of the app as the WhatsApp Business for Android versions before 2.19.104 and WhatsApp Business for iOS versions before and including 2.18.368 has been found to be vulnerable.
WhatsApp has rolled out a patch for the vulnerability, meaning that more recent versions than those mentioned above, should be safe from attack.
In order for hackers to exploit the bug, the video file would need to be downloaded to the device via WhatsApp.
Normally an RCE attack is used to run malware on the device, and the attack is usually used to steal information from the device, that to without any user knowledge.
In October, a cybersecurity researcher uncovered a double-free vulnerability, CVE-2019-11932, which could be used in attacks for compromising chat sessions, files, and messages. The file can result in RCE or DoS, the company confirmed.
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The description of the new "buffer overflow vulnerability" is similar to the one received by CERT from WhatsApp during the Pegasus snooping case where an Israel-based spyware maker NSO Group was under the spotlight.
The safety flaw could be triggered through a destructive application now set up on a concentrate on device or through the sending of a crafted, malicious.GIF file. The vulnerability if exploited could allow an attacker to execute a Denial of Service (DoS) attack on WhatsApp, thus affecting its service.
"WhatsApp is continuously performing to strengthen the safety of our service", a Facebook spokesperson said.
WhatsApp, however, said that no users were affected by the new vulnerability. We make public records on possible problems we have actually fixed constant with industry finest techniques.
If you have an older version of a WhatsApp app, it's high time you updated said app.
Around 1,400 WhatsApp individuals received a message warning of the campaign as well as recommending to upgrade to the latest version of the app.