CVE-2011-2332 in Chrome
Summary
by MITRE
Google V8, as used in Google Chrome before 12.0.742.91, allows remote attackers to bypass the Same Origin Policy via unspecified vectors.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 11/08/2021
The vulnerability identified as CVE-2011-2332 represents a critical security flaw in Google V8 JavaScript engine that powers Google Chrome browser. This vulnerability specifically targets the Same Origin Policy implementation, which serves as a fundamental security mechanism in web browsers designed to prevent unauthorized access to resources across different domains. The V8 engine's failure to properly enforce this policy creates a significant attack surface that malicious actors can exploit to bypass essential web security boundaries.
The technical flaw in Google V8 stems from unspecified vectors that allow attackers to manipulate cross-origin resource access controls. This weakness enables remote code execution and data exfiltration capabilities by permitting scripts from one origin to access resources from another origin without proper authorization. The vulnerability exists within the JavaScript engine's handling of object access and memory management, potentially allowing attackers to execute arbitrary code with the privileges of the victim's browser session.
The operational impact of this vulnerability is severe as it fundamentally undermines the browser's security model. Attackers can leverage this flaw to perform cross-site scripting attacks, steal sensitive information from authenticated sessions, access protected resources, and potentially gain full control over user browsers. The vulnerability affects all versions of Google Chrome prior to 12.0.742.91, making it particularly dangerous as many users were running outdated browser versions. This flaw directly violates the core principles of web security and could enable sophisticated attacks such as credential theft, session hijacking, and data manipulation.
Organizations and individuals should immediately update to Google Chrome version 12.0.742.91 or later to remediate this vulnerability. Browser vendors should implement additional security measures including stricter sandboxing, enhanced memory protection, and improved origin validation mechanisms. The vulnerability aligns with CWE-284, which addresses improper access control issues, and maps to ATT&CK technique T1059 for executing malicious code through browser-based attacks. Security teams should monitor for exploitation attempts and implement network-based detection measures to identify potential exploitation of this vulnerability in their environments.