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There has been no disclosure yet regarding the impacts, victims or possible threat actors behind the exploits. CVE numbers have been assigned but, at the time of writing, are reserved and contain no detail regarding their impact or severity. Given that the vulnerabilities have been discovered being actively exploited in the wild the assigned severity is likely to be critical.
Those with Google Chrome version 95.0.4638.69 or higher are safe. Any version of Google Chrome prior to 95.0.4638.69 are at risk.
Google Chrome – and likely any other browser based on the Chromium platform, such as Brave and Edge.
Containment, Mitigations & Remediations
In order to remediate or mitigate the exploitation of this vulnerability, it is advised to apply patches to bring your browser up to the latest version.
To check if your browser is protected execute the following:
* Settings > Help > About > Check the Chrome version.
If you do not have the updated version then update your chrome browser by:
* > Open Chrome > At the top right, click more > Click Update Google Chrome (if you don’t see this button you are on the latest version) > Click Relaunch.
If you believe that you may already have been compromised it may be advisable to contact an organisation with Incident Response and Digital Forensics capabilities before updating the browser in order to ensure the preservation of evidence.
Indicators of Compromise
There are no IoC’s available at this time.
The attack against Google Chrome is particularly effective and desirable by attackers due to the widespread use of the web browsing platform and its use on/against multiple Operating System (OS) platforms.
T1189 – Drive-by Compromise