A vulnerability was found in Google Chrome (Web Browser) (affected version unknown). It has been declared as critical. Affected by this vulnerability is the function RenderQuote::updateText of the file rendering/RenderQuote.cpp of the component Render Engine. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 05/28/2013 as 244056 as confirmed bug report (Website). The advisory is shared at code.google.com. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at cluster-fuzz.appspot.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com. Applying a patch is able to eliminate this problem. The problem might be mitigated by replacing the product with Mozilla Firefox, Microsoft Internet Explorer or Opera as an alternative. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

Additional details are provided at nakedsecurity.sophos.com. The entries 8942, 8943, 8944 and 8945 are related to this item.

Productinfo

Type

• Web Browser

Vendor

• Google

Name

• Chrome

License

• free

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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