Google Chrome V8 Inappropriate Implementation Heap Corruption Vulnerability (CVE-2024-7965)
Executive & SecOps Summary
SECOPS ASSESSMENTGoogle Chrome and Chromium-based browsers prior to version 128.0.6613.84
A remote attacker can trigger heap corruption via a crafted HTML page, potentially leading to arbitrary code execution (RCE) within the browser process
Immediately update Google Chrome to the latest stable version (128.0.6613.84/.85 or higher)
Affected Products & Version Scope
Remediation & Live Workaround Commands
PATCH & WORKAROUND1. Official Patch & Version Upgrade Commands
To remediate this vulnerability, update Google Chrome to the latest stable release. For Linux-based deployments or administrative environments, use the following commands:
# Update Google Chrome on Debian/Ubuntu-based systems
sudo apt-get update && sudo apt-get --only-upgrade install google-chrome-stable -y
# Update Google Chrome on RedHat/CentOS/Fedora-based systems
sudo dnf upgrade google-chrome-stable -y2. Temporary Workaround & Hardening Configuration
If immediate patching is not feasible, enforce strict browser policies via registry settings or Group Policy Objects (GPO) to ensure the Chrome sandbox is always enabled.
# Enforce Chrome Sandbox Mode via Windows Registry
New-Item -Path 'HKLM:\SOFTWARE\Policies\Google\Chrome' -Force
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Google\Chrome' -Name 'SandboxMode' -Value 1 -PropertyType DWord -Force3. Log Audit & IoC Verification Commands
Use the following script to audit the currently installed Google Chrome version and verify if it is vulnerable.
# Check installed Chrome version and compare with the patched version
CHROME_VERSION=$(google-chrome --version | awk '{print $3}')
REQUIRED_VERSION='128.0.6613.84'
if [ '$(printf '%s\
' "$REQUIRED_VERSION" "$CHROME_VERSION" | sort -V | head -n1)' = "$REQUIRED_VERSION" ]; then
echo '[SAFE] Chrome version is up-to-date: '$CHROME_VERSION
else
echo '[WARNING] Vulnerable Chrome version detected: '$CHROME_VERSION'. Upgrade immediately.'
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Technical Root Cause & Exploitation Mechanics
1. Vulnerability Overview & Root Cause
This vulnerability (CVE-2024-7965) stems from an inappropriate implementation within the V8 JavaScript and WebAssembly engine of Google Chrome. Due to a flaw in V8's optimization pipeline or memory management, the engine fails to properly enforce object layout boundaries and memory safety constraints, resulting in heap memory corruption under specific conditions.
2. Exploitation Mechanics & Attack Scenario
An attacker can exploit this vulnerability by hosting a specially crafted HTML page containing malicious JavaScript. When a victim visits the page, the V8 engine processes the script, triggering an out-of-bounds write or type confusion. This corrupts the heap layout, allowing the attacker to manipulate memory addresses and execute arbitrary shellcode, bypassing standard browser security boundaries.
3. Infrastructure & Business Impact
As this vulnerability is listed in the CISA KEV catalog, active exploitation in the wild has been confirmed. In an enterprise environment, successful exploitation can lead to complete endpoint compromise, serving as an initial entry point for lateral movement, sensitive data exfiltration, or ransomware deployment.
Official Vendor Advisories & References
Inappropriate implementation in V8 in Google Chrome prior to 128.0.6613.84 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
Frequently Asked SecOps Questions (CVE-2024-7965)
FAQQ1. How critical is CVE-2024-7965 and is it actively exploited in the wild?
CVE-2024-7965 is rated CVSS 8.8 (HIGH) with a 30-day EPSS exploitation probability of 18.5%. It is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, requiring immediate emergency remediation.
Q2. Which vendors and products are affected by CVE-2024-7965?
Primary impacted vendors include google across chrome, chromium. Scope summary: Google Chrome prior to version 128.0.6613.84 (All operating systems: Windows, macOS, Linux)
Q3. What temporary mitigations or workarounds exist for CVE-2024-7965 before patching?
[Mitigation] Immediately update Google Chrome to the latest stable version (128.0.6613.84/.85 or higher) Follow the CLI remediation commands and interactive SecOps checklist on this page to restrict exposure prior to your maintenance window.
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