KLA10722 Multiple vulnerabilities in Google Chrome

Multiple serious vulnerabilities have been found in Google Chrome. Malicious users can exploit these vulnerabilities to cause denial of service or execute arbitrary code.

Below is a complete list of vulnerabilities

1. Integer overflow at WebCursor can be exploited remotely via a specially designed data to cause denial of service;
2. Improper data handling at MIDI can be exploited remotely to cause denial of service or execute arbitrary code.

Technical details

Vulnerability (1) related to WebCursor::Deserialize function in content/common/cursors/webcursor.cc and can be triggered via RGBA pixel array with specially designed dimensions.

Vulnerability (2) related tosendung data handling at midi_manager.cc, midi_manager_alsa.cc and midi_manager_mac.cc

Original advisories

Google releases blog entry

Related products

Google-Chrome

CVE list

CVE-2015-8664 critical

CVE-2015-6792 critical

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.

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Impacts

• DoS

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

• SB

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

Affected Products

• Google Chrome versions earlier than 47.0.2526.106 (all branches)