KLA10949 Multiple vulnerabilities in Google Chrome

Multiple serious vulnerabilities have been found in Google Chrome prior to 55.0.2883.75. Malicious users can exploit these vulnerabilities to bypass security restrictions, make code injections and possibly cause denial of service, obtain sensitive information.

Below is a complete list of vulnerabilities:

1. Incorrectly handled iframes in Blink can be exploited remotely via a specially designed HTML page to bypass security restrictions (a no-referrer policy);
2. A use-after-free vulnerability in PDFium can be exploited remotely to possibly cause a denial of service or obtain sensitive information;
3. Corruption of the DOM tree in Blink can be exploited remotely via a specially designed HTML page to inject HTML (UXSS) or arbitrary scripts;
4. Incorrect handling of deferred page loads in Blink can be exploited remotely via a specially designed HTML page to inject HTML (UXSS) or arbitrary scripts.

Technical details

Vulnerability (3) can be triggered by leaking of an SVG shadow tree.

Original advisories

Stable Channel Update for Desktop

Related products

Google-Chrome

Google-Chrome-for-Android

CVE list

CVE-2016-5205 warning

CVE-2016-5204 warning

CVE-2016-5203 high

CVE-2016-9650 warning

Solution

Update to the latest version. File with name old_chrome can be still detected after update. It caused by Google Chrome update policy which does not remove old versions when installing updates. Try to contact vendor for further delete instructions or ignore such kind of alerts at your own risk.

Google Chrome download page

Impacts

• OSI

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

• CI

Code injection. Exploitation of vulnerabilities with this impact can lead to changes in target code.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

• SUI

Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.

Affected Products

• Google Chrome earlier than 55.0.2883.75 (all branches)