Vulnerability identifier: #VU44313

Vulnerability risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2011-3956

CWE-ID: CWE-346

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Google Chrome
Client/Desktop applications / Web browsers

Vendor: Google

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The extension implementation in Google Chrome before 17.0.963.46 does not properly handle sandboxed origins, which might allow remote attackers to bypass the Same Origin Policy via a crafted extension.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Google Chrome: 17.0.963.0 - 17.0.963.45

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External links
http://code.google.com/p/chromium/issues/detail?id=103630
http://googlechromereleases.blogspot.com/2012/02/stable-channel-update.html
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14906

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.