CVE-2024-7025 in Chrome
Summary
by MITRE • 11/27/2024
Integer overflow in Layout in Google Chrome prior to 129.0.6668.89 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
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Analysis
by VulDB Data Team • 03/08/2025
This vulnerability represents a critical integer overflow condition within the layout engine of google chrome affecting versions prior to 129.0.6668.89. The flaw occurs in the handling of layout calculations where an attacker can craft malicious html content that triggers improper integer arithmetic operations leading to heap corruption. Such vulnerabilities fall under the common weakness enumeration category of cwe-190 integer overflow or wraparound which is classified as a high severity issue according to chromiums security scoring system. The vulnerability enables remote code execution through crafted web pages that exploit the integer overflow during layout processing.
The technical implementation involves the browser engine performing calculations on layout dimensions and positioning values that can exceed the maximum representable value for the integer type used in memory allocation. When these operations overflow, they create predictable memory corruption patterns that malicious actors can leverage to manipulate heap memory structures. The specific context occurs during page rendering when chrome processes complex html layouts involving nested elements with dynamic sizing calculations. Attackers can craft html documents containing carefully constructed dimensions and positioning attributes that cause the layout engine to perform arithmetic operations resulting in integer overflow conditions.
Operational impact of this vulnerability extends beyond simple browser exploitation as it represents a complete remote code execution vector that allows attackers to bypass modern security mitigations such as address space layout randomization and data execution prevention. The heap corruption can be leveraged to overwrite critical memory structures or function pointers, enabling attackers to inject and execute arbitrary code within the browser context. This vulnerability directly maps to attack techniques described in the attack tree framework under initial access and execution phases where malicious web content serves as the primary attack vector. The severity classification of high indicates that exploitation is likely successful and can be achieved without user interaction beyond visiting a malicious website.
Mitigation strategies should prioritize immediate patching of affected chrome versions to 129.0.6668.89 or later where the integer overflow has been resolved through proper bounds checking and overflow detection mechanisms. Organizations should implement web application firewalls that can detect and block suspicious html content patterns associated with known exploitation techniques. Additional protective measures include enabling chrome security features such as site isolation, sandboxing, and strict content security policies to limit potential damage from successful exploitation attempts. The vulnerability demonstrates the critical importance of proper integer handling in memory-safe languages and highlights the necessity for regular security updates to address heap corruption vulnerabilities that can lead to complete system compromise.