Multiple vulnerabilities have been discovered in Google Chrome, the most severe of which could allow for arbitrary code execution. Successful exploitation of the most severe of these vulnerabilities could allow for arbitrary code execution in the context of the logged on user. Depending on the privileges associated with the user, a threat actor could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.
Systems Affected
- Chrome prior to 143.0.7499.109/.110 for Windows and MAC
- Chrome prior to 143.0.7499.109 for Linux
What You Should Do
- Apply appropriate updates provided by Google to vulnerable systems immediately after appropriate testing.
- Apply the Principle of Least Privilege to all systems and services. Run all software as a non-privileged user (one without administrative privileges) to diminish the effects of a successful attack.
- Restrict execution of code to a virtual environment on or in transit to an endpoint system.
- Use capabilities to detect and block conditions that may lead to or be indicative of a software exploit occurring.
- Restrict use of certain websites, block downloads/attachments, block JavaScript, restrict browser extensions, etc.
- Inform and educate users regarding the threats posed by hypertext links contained in emails or attachments especially from untrusted sources. Remind users not to visit untrusted websites or follow links provided by unknown or untrusted sources.
