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The following cyber advisory was issued by the New York State Office of Information Technology Services and is intended for State government entities. The information may or may not be applicable to the general public and, accordingly, the State does not warrant its use for any specific purposes.

ITS ADVISORY NUMBER:
2013-112

DATE(S) ISSUED:
11/15/2013

SUBJECT:
Vulnerabilities in Google Chrome Could Allow Remote Code Execution

OVERVIEW:

Vulnerabilities have been discovered in Google Chrome that could allow remote code execution or cause denial-of-service conditions. 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 result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

SYSTEMS AFFECTED:

  • Google Chrome Prior to 31.0.1650.57
  • Google Chrome on Android Devices Prior to 31.0.1650.59

RISK:
Government:

  • Large and medium government entities: High
  • Small government entities: High

Businesses:

  • Large and medium business entities: High
  • Small business entities: High

Home users: High

DESCRIPTION:
Vulnerabilities have been discovered in Google Chrome. Details of the vulnerabilities are as follows:

  • An integer overflow vulnerability that could lead to remote code execution.
  • A vulnerability that could allow an escape from the Google Chrome application sandbox, which separates the browser's processes from the operating system.

Successful exploitation could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Failed exploit attempts will likely cause denial-of-service conditions.

RECOMMENDATIONS:
We recommend the following actions be taken:

  • Update vulnerable Google Chrome products immediately after appropriate testing.
  • 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.
  • Remind users not to open email attachments from unknown users or suspicious emails from trusted sources.

REFERENCES:
Google:
http://googlechromereleases.blogspot.com/2013/11/stable-channel-update_14.html

HP:
http://www.hppwn2own.com/chrome-nexus-4-samsung-galaxy-s4-falls/

CVE:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6632

Security Focus:
http://www.securityfocus.com/bid/63729

Deborah A. Snyder

Acting Chief Information Security Officer


 

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