Google updates Chrome to squash actively exploited WebRTC Zero Day
Google has issued an unexpected update to its Chrome browser to address a zero-day WebRTC flaw that is actively being exploited.
The culprit is CVE-2022-2294, and is a problem in WebRTC – the code that imbues browsers with real-time comms capabilities. Details of the flaw, number 1341043, are not currently detailed in the Chromium project bug log, and details of the CVE have not been published at the time of writing. But Google'sof a new browser version describes it as:"Heap buffer overflow in WebRTC. Reported by Jan Vojtesek from the Avast Threat Intelligence team on 2022-07-01."
The fix is installing Chrome 103.0.5060.114 for Windows and Chrome 103.0.5060.71 for Android, both of which will appear soon. Google says the flaw is under active attack, but offers no insight into how one might detect it or defend against it other than by updating Chrome. Given the nature and purpose of WebRTC, it's probably best not to use browser-based comms tools until you can update.CVE-2022-2295, a type confusion in the V8 JavaScript engine used in Chrome;
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