CVE-2024-6101 in Chrome
Summary
by MITRE • 06/20/2024
Inappropriate implementation in V8 in Google Chrome prior to 126.0.6478.114 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)
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Analysis
by VulDB Data Team • 03/23/2025
The vulnerability identified as CVE-2024-6101 represents a critical memory safety issue within the V8 JavaScript engine that powers Google Chrome and other Chromium-based browsers. This flaw exists in versions prior to 126.0.6478.114 and constitutes a high-severity security weakness that could be exploited by remote attackers through maliciously crafted web content. The vulnerability stems from an inadequate implementation in how V8 handles memory operations during JavaScript execution, specifically when processing certain HTML page structures that trigger improper memory access patterns.
The technical nature of this vulnerability involves out-of-bounds memory access, which occurs when a program attempts to read from or write to memory locations outside the intended buffer boundaries. In the context of V8's JavaScript engine, this flaw likely manifests during the compilation or execution phase of JavaScript code where memory allocation and deallocation routines fail to properly validate array indices or object boundaries. Attackers can craft HTML pages containing specific JavaScript constructs that, when processed by the vulnerable browser, cause the V8 engine to access memory locations that it should not be permitted to access, potentially leading to memory corruption or information disclosure.
The operational impact of this vulnerability extends beyond simple browser exploitation as it represents a fundamental memory safety issue that could enable attackers to execute arbitrary code on affected systems. When an attacker successfully triggers this vulnerability through a crafted webpage, they could potentially gain control over the browser process, escalate privileges, or extract sensitive information from memory. The remote nature of the attack means users need only visit a malicious webpage to be at risk, making this particularly dangerous in phishing campaigns or compromised websites. This vulnerability aligns with common attack patterns documented in the attack tree framework where memory corruption flaws serve as primary entry points for advanced persistent threats.
Mitigation strategies for CVE-2024-6101 primarily focus on immediate browser updates to versions 126.0.6478.114 or later where the vulnerability has been patched. Organizations should implement comprehensive patch management procedures to ensure all user devices are updated promptly. Additional protective measures include enabling browser security features such as site isolation, sandboxing, and content security policies that can limit the damage if exploitation occurs. The vulnerability demonstrates characteristics consistent with CWE-129, which addresses improper validation of array indices, and aligns with attack techniques categorized under the ATT&CK framework's privilege escalation and execution phases. Network administrators should consider implementing web application firewalls and monitoring for suspicious web traffic patterns that might indicate exploitation attempts, while security teams should maintain awareness of related vulnerabilities that may exploit similar memory safety weaknesses in other browser components or software systems.