Out of Bounds Memory Access Vulnerability in Chrome Prior to 129.0.6668.70

CVE-2024-9121

What is CVE-2024-9121?

CVE-2024-9121 is a vulnerability found in Google Chrome, specifically affecting versions prior to 129.0.6668.70. This critical flaw resides within the V8 engine, which is responsible for executing JavaScript in the browser. Due to an inappropriate implementation, this vulnerability allows remote attackers to manipulate memory access. If exploited, it could enable attackers to craft malicious HTML pages that lead to unauthorized memory access, which could compromise the integrity and confidentiality of the affected systems.

Technical Details

The heart of CVE-2024-9121 lies in an out-of-bounds memory access issue in the V8 engine of Google Chrome. Out-of-bounds access occurs when a program reads or writes data outside the allocated memory boundaries, potentially leading to unpredictable behavior. In the case of this vulnerability, attackers can leverage crafted HTML content to trigger errors in memory management while the browser processes web content. The vulnerability has been classified with a high severity rating in the Chromium security system, indicating a significant risk for users who have not updated to the latest version.

Potential impact of CVE-2024-9121

1. Data Compromise: Successful exploitation can lead to unauthorized access to sensitive data stored in the browser, including passwords, cookies, and personal information, potentially facilitating identity theft or financial fraud.

2. System Integrity Risk: Attackers may gain control over browser operations, which could lead to further exploits or the installation of malicious software, compromising the operating system's integrity.

3. Enhanced Attack Surface: By targeting a widely used browser like Google Chrome, this vulnerability increases the overall attack surface for organizations. It can lead to broader attacks within the network, potentially allowing attackers to penetrate deeper into organizational systems.

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