Multiple Vulnerabilities in Google Chrome Could Allow for Arbitrary Code Execution

ITS Advisory Number: 
2016-061
Date(s) Issued: 
Thursday, April 7, 2016
Subject: 
Multiple Vulnerabilities in Google Chrome Could Allow for Arbitrary Code Execution
Overview: 

Multiple vulnerabilities have been discovered in Google Chrome, which could allow for arbitrary code execution. Google Chrome is a web browser used to access the Internet. These vulnerabilities can be exploited if a user visits, or is redirected to, a specially crafted web page. Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code in the context of the browser, obtain sensitive information, bypass security restrictions, or cause denial-of-service conditions.

Systems Affected: 

  • Google Chrome prior to version 49.0.2623.108

  • GoogleV8 Prior to 4.9.385.33

RISK
GOVERNMENT
Large and medium government entities: 
High
Small government entities: 
High
BUSINESS
Large and medium business entities: 
High
Small business entities: 
High
Home Users: 
High
Description: 

Multiple vulnerabilities have been discovered in Google Chrome. These vulnerabilities can be triggered by a user visiting a specially crafted web page. Details of these vulnerabilities are as follows:

  • An out-of-bounds read vulnerability in V8 (CVE-2016-1646)

  • A use-after-free vulnerability in Navigation (CVE-2016-1647)

  • A use-after-free vulnerability in Extensions (CVE-2016-1648)

  • A buffer-overflow vulnerability in libANGLE (CVE-2016-1649)

  • Multiple unspecified vulnerabilities (CVE-2016-1650)

Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code in the context of the browser, obtain sensitive information, bypass security restrictions, or cause denial-of-service conditions.

Actions: 

After appropriate testing, apply applicable 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.

References: 

Google:
https://chromereleases.googleblog.com/2016/03/stable-channel-update_24.html

CVE:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1646
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1647
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1648
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1649
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1650

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