A vulnerability was found in Google Chrome (Web Browser). It has been rated as critical. This issue affects an unknown part of the component Serial Policy Validator. The manipulation as part of a HTML Page leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Insufficient policy validation in serial in Google Chrome prior to 85.0.4183.121 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.

The weakness was published 09/21/2020 (Website). It is possible to read the advisory at chromereleases.googleblog.com. The identification of this vulnerability is CVE-2020-15962 since 07/27/2020. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/22/2020). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading to version 85.0.4183.121 eliminates this vulnerability.

Similar entries are available at 161673, 161674, 161676 and 161677.

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• Web Browser

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• Google

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• Chrome

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• free

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