heap corruption vulnerability in V8 prior to 128.0.6613.84

CVE-2024-7965

8.8HIGH

Key Information

Vendor: Google
Status: Chrome
Vendor: CVE Published:; 21 August 2024

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What is CVE-2024-7965?

CVE-2024-7965 is a high-severity vulnerability identified in the V8 JavaScript engine used by Google Chrome prior to version 128.0.6613.84. This vulnerability can be exploited by remote attackers through the manipulation of a crafted HTML page, leading to heap corruption within the browser. Such exploitation could undermine the security of affected systems, as it may enable unauthorized access or control, resulting in potentially severe consequences for organizations relying on Google Chrome for their web browsing needs.

Technical Details

The vulnerability stems from an inappropriate implementation within the V8 engine, which is responsible for executing JavaScript in the Chrome browser. This flaw allows for heap corruption, a type of memory corruption error where an attacker manipulates the memory allocated to the program. By using a specially crafted HTML page, an attacker could trigger this flaw and execute arbitrary code within the context of the browser. The technical specifics illustrate how intricate interactions within browser engines can lead to significant security breaches if left unaddressed.

Impact of the Vulnerability

Remote Code Execution: Successful exploitation of CVE-2024-7965 may allow attackers to execute arbitrary code on the affected system. This can lead to installation of malware, unauthorized access to sensitive data, and full compromise of users' devices.
Data Breaches: Organizations using vulnerable versions of Google Chrome may face severe data protection risks. The ability of an attacker to execute code can potentially expose personal, financial, or proprietary information, leading to data leaks and privacy violations.
Increased Attack Surface: With the existence of publicly available exploit techniques, the vulnerability widens the attack surface for ransomware groups and other malicious actors. As organizations utilize web applications and access various online services, the chance of exploitation increases, making timely updates crucial for maintaining cybersecurity defenses.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2024-7965 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Affected Version(s)

Chrome < 128.0.6613.84

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2024-7965
Created by bi-zone

cve-2024-7965-poc
Created by XiaomingX

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