The good news is that there are updates to patch the CVE-2023-3079 issues already rolled out for most of the major Chromium-based browsers. The truth is that as CVE-2023-3079 is actually a type confusion vulnerability in the JavaScript V8 engine of Chromium, and multiple other browsers alongside Chrome itself as Chromium-based, then the answer is a resounding yes. Also, remember what I wrote earlier, and restart your browser after the update has been installed, or it will not activate, and you will still be vulnerable to attack.Ġ6/08 Update: A number of readers have got in touch with me to ask whether their non-Chrome web browsers are also impacted by this zero-day security vulnerability that is being exploited in the wild. It may take a few days for the update to reach everyone, so be patient if you are not seeing it yet. Head for the Help|About option in your Google Chrome menu, and if the update is available, it will automatically start downloading. MORE FROM FORBES Warning Issued For iPhone Users As iMessage 0-Click Attack Revealed By Davey Winder How to apply the Google Chrome security patch now “Users are strongly advised to promptly update their browsers to mitigate any potential risks,” Walters concludes.
However, due to flaws in the implementation of type checking mechanisms, a malicious actor can deceive the JavaScript engine into treating a variable as a different type than it actually is.” The end result being that it’s possible for a malicious actor to potentially execute arbitrary code. This is because objects within the V8 engine are, Walters explains, “assigned types based on their underlying data type. “Type Confusion vulnerabilities pose a significant risk,” Walters says, “enabling attackers to execute arbitrary code on targeted machines by exploiting weaknesses in memory object handling.” It poses a significant risk, according to Mike Walters, vice-president of vulnerability and threat research at risk-based patch management specialists Action.
CVE-2023-3079 poses a significant risk to users, expert saysĬVE-2023-3079 is the third zero-day of 2023 for Google Chrome. This latter point is crucial for those of you who tend to run with dozens of tabs open and rarely close the browser at all. However, to activate the update, you must restart the browser. The very act of going to check on your Chrome version number will kickstart a download and installation of the security update if it has reached you already. Which means that you shouldn’t play the waiting game, but instead go check that your browser has, indeed, been updated.
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