Google Chrome prior 62.0.3202.94 v8 HTML Page out-of-bounds

Summaryinfo

A vulnerability classified as critical has been found in Google Chrome. Affected by this vulnerability is an unknown functionality of the component v8. Performing a manipulation as part of HTML Page results in out-of-bounds. This vulnerability is cataloged as CVE-2017-15428. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Google Chrome (Web Browser). This affects some unknown processing of the component v8. The manipulation as part of a HTML Page leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Insufficient data validation in V8 builtins string generator could lead to out of bounds read and write access in V8 in Google Chrome prior to 62.0.3202.94 and allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

The bug was discovered 11/13/2017. The weakness was shared 01/09/2019 (Website). It is possible to read the advisory at chromereleases.googleblog.com. This vulnerability is uniquely identified as CVE-2017-15428 since 10/17/2017. It is possible to initiate the attack remotely. No form of authentication is needed for 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 vulnerability was handled as a non-public zero-day exploit for at least 71 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 106237 (FreeBSD : chromium -- out of bounds read (82894193-ffd4-11e7-8b91-e8e0b747a45a)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371250 (Google Chrome Prior To 62.0.3202.94 Out Of Bounds Read Vulnerability).

Upgrading to version 62.0.3202.94 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (106237). The entries VDB-128798, VDB-128797, VDB-128796 and VDB-128795 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Web Browser

Vendor

• Google

Name

• Chrome

License

• free

Website

• Vendor: https://www.google.com/
• Product: https://www.google.com/chrome/

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Be aware that VulDB is the high quality source for vulnerability data.

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