Multiple Vulnerabilities in Google Chrome Could Allow for Arbitrary Code Execution

ITS Advisory Number:

2016-092

Date(s) Issued:

Thursday, May 12, 2016

Subject:

Multiple Vulnerabilities in Google Chrome Could Allow for Arbitrary Code Execution

Overview:

Multiple vulnerabilities have been discovered in Google Chrome, which could result in 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 50.0.2661.102

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:

Medium

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:

Same origin bypass in DOM. (CVE-2016-1667)
Same origin bypass in Blink V8 bindings (CVE-2016-1668)
Buffer overflow in V8 (CVE-2016-1669)
Race condition in loader (CVE-2016-1670)
Directory transversal using the file scheme on Android (CVE-2016-1671)

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 the 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:

http://googlechromereleases.blogspot.com/2016/05/stable-channel-update.html

CVE:

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1667

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1668

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1669

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1670

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1671