CVE-2024-4761 in Chrome
Summary
by MITRE • 05/14/2024
Out of bounds write in V8 in Google Chrome prior to 124.0.6367.207 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: High)
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 03/30/2025
The vulnerability identified as CVE-2024-4761 represents a critical out of bounds write flaw within the V8 JavaScript engine component of Google Chrome. This vulnerability exists in versions prior to 124.0.6367.207 and constitutes a high severity issue according to Chromium security standards. The flaw occurs within the V8 engine which is responsible for executing JavaScript code in Chrome browsers and other Chromium-based applications. An attacker can exploit this vulnerability by crafting a malicious HTML page that triggers the out of bounds memory write condition during JavaScript execution.
The technical nature of this vulnerability stems from improper bounds checking within V8's memory management operations. When processing specific JavaScript code patterns, the engine fails to validate array indices or memory access boundaries properly, leading to a situation where data can be written beyond the allocated memory buffer. This type of flaw falls under the Common Weakness Enumeration category CWE-787, which specifically addresses out of bounds write conditions. The vulnerability demonstrates a classic buffer overflow pattern where the memory corruption occurs during write operations rather than read operations, making it particularly dangerous for remote code execution scenarios.
The operational impact of CVE-2024-4761 extends beyond simple memory corruption as it provides a potential pathway for remote code execution attacks. A remote attacker who successfully crafts a malicious webpage could leverage this vulnerability to execute arbitrary code on a victim's machine with the privileges of the Chrome process. This represents a significant threat vector since web browsers are frequently targeted due to their widespread use and the trust users place in web content. The vulnerability affects all users of affected Chrome versions and could be exploited through various attack vectors including malicious websites, email attachments, or compromised web applications that serve the malicious content.
Mitigation strategies for this vulnerability require immediate patching of Chrome browsers to versions 124.0.6367.207 or later where the issue has been resolved. Organizations should implement comprehensive browser update policies and ensure all endpoints are running patched versions. Additional defensive measures include deploying web application firewalls, implementing content security policies, and utilizing sandboxing techniques to limit the potential impact of successful exploitation attempts. The vulnerability aligns with several ATT&CK techniques including T1059.007 for JavaScript execution and T1070.004 for indicator removal. Security teams should monitor for exploitation attempts and maintain awareness of related threats in the cybersecurity community. Regular security assessments and penetration testing should verify that the patched versions are properly deployed and functioning correctly across all affected systems.