KLA10799
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, spoof user interface, bypass security restrictions and obtain sensitive information.

Below is a complete list of vulnerabilities

1. Multiple unknown vulnerabilities can be exploited to cause denial of service or possibly have another unknown impact;
2. Comparison operators mishandling at V8 can be exploited remotely via a specially designed JavaScript to obtain sensitive information;
3. Subframe navigation mishandling can be exploited remotely via a specially designed web site to spoof address bar;
4. Data structure mishandle at V8 can be exploited remotely via a specially designed web site to cause denial of service or have another unknown impact;
5. Lack of fallback execution restrictions can be exploited remotely to cause denial of service or have another unknown impact;
6. Lack of security restrictions at Blink can be exploited remotely via a specially designed web site to cause denial of service or have another unknown impact;
7. Assertion mishandling can be exploited remotely via a specially designed web site to cause denial of service or have another unspecified impact;
8. An unknown vulnerability in Skia can be exploited remotely to bypass security restrictions (the Same Origin Policy) and obtain sensitive information.

Technical details

Vulnerability (2) related to JSGenericLowering class in compiler/js-generic-lowering.cc.

Vulnerability (3) related to HistoryController::UpdateForCommit function in content/renderer/history_controller.cc which mishandles interaction between subframe forward navigation and other forward navigation.

Vulnerability (4) related to SerializedScriptValue::transferArrayBuffers function in WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp which mishandles certain array-buffer data structures.

Vulnerability (5) related to extensions/renderer/gc_callback.cc which does not prevent fallback execution once the Garbage collection callback has started.

Vulnerability (6) caused by lack of same render process check for frames.

Vulnerability (7) caused by mishandling assertions in the WTF::BitArray and WTF::double_conversion::Vector classes.

Google Chrome versions earlier than 50.0.2661.94 (All branches)

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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