A Vulnerability in Google Chrome Could Allow for Remote Code Execution

ITS Advisory Number: 
2017-043
Date(s) Issued: 
Wednesday, May 3, 2017
Subject: 
A Vulnerability in Google Chrome Could Allow for Remote Code Execution
Overview: 

A vulnerability has been discovered in Google Chrome, which could result in remote code execution. Google Chrome is a web browser used to access the Internet. The vulnerability can be exploited if a user visits, or is redirected to, a specially crafted web page. Successful exploitation of this vulnerability could allow an attacker to execute remote code in the context of the browser. Depending on the privileges associated with the browser, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Browsers that are configured to have fewer user rights on the system could be less impacted than those that operate with administrative user rights.

Systems Affected: 
  • Google Chrome prior to 58.0.3029.96
RISK
GOVERNMENT
Large and medium government entities: 
High
Small government entities: 
Medium
BUSINESS
Large and medium business entities: 
High
Small business entities: 
Medium
Home Users: 
Low
Description: 

A vulnerability has been discovered in Google Chrome, which could result in remote code execution. This vulnerability exists due to a race condition in WebRTC, which can be exploited if a user visits, or is redirected to, a specially crafted web page. (CVE-2017-5068)

Successful exploitation of this vulnerability could allow an attacker to execute remote code in the context of the browser. Depending on the privileges associated with the browser, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Browsers that are configured to have fewer user rights on the system could be less impacted than those that operate with administrative user rights.

Actions: 
  • After appropriate testing, immediately apply patches provided by Google to vulnerable systems.
  • Run all software as a non-privileged user (one without administrative privileges) to diminish the effects of a successful attack.
  • Remind users not to visit un-trusted websites or follow links provided by unknown or un-trusted sources.
  • Inform and educate users regarding the threats posed by hypertext links contained in emails or attachments especially from un-trusted sources.
  • Apply the Principle of Least Privilege to all systems and services.