CVE-2022-1314

8.8 HIGH

📋 TL;DR

This vulnerability is a type confusion flaw in Chrome's V8 JavaScript engine that could allow a remote attacker to execute arbitrary code or cause heap corruption by tricking users into visiting a malicious webpage. It affects all users running vulnerable versions of Google Chrome. Successful exploitation could lead to complete system compromise.

💻 Affected Systems

Products:
  • Google Chrome
  • Microsoft Edge (Chromium-based)
  • Other Chromium-based browsers
Versions: Versions prior to 100.0.4896.88
Operating Systems: Windows, macOS, Linux, Android, iOS
Default Config Vulnerable: ⚠️ Yes
Notes: All default configurations are vulnerable. Microsoft Edge uses the same Chromium engine and is affected.

📦 What is this software?

Chrome by Google

Google Chrome is the world's most popular web browser, used by over 3 billion users globally across Windows, macOS, Linux, Android, and iOS platforms. As a Chromium-based browser developed by Google, Chrome dominates the browser market with approximately 65% market share, making it a critical compon...

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⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution leading to full system compromise, data theft, ransomware deployment, or persistent backdoor installation.

🟠

Likely Case

Browser crash (denial of service) or limited code execution within the browser sandbox, potentially leading to session hijacking or credential theft.

🟢

If Mitigated

No impact if Chrome is fully patched or if exploit attempts are blocked by security controls.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: MEDIUM

Exploitation requires user interaction (visiting a malicious page) but no authentication. Type confusion vulnerabilities in V8 have historically been exploited in the wild.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 100.0.4896.88 and later

Vendor Advisory: https://chromereleases.googleblog.com/2022/04/stable-channel-update-for-desktop_11.html

Restart Required: Yes

Instructions:

1. Open Chrome. 2. Click the three-dot menu → Help → About Google Chrome. 3. Chrome will automatically check for and install updates. 4. Click 'Relaunch' to restart Chrome with the patched version.

🔧 Temporary Workarounds

Disable JavaScript

all

Prevents execution of malicious JavaScript that could trigger the vulnerability

Use browser extensions to block malicious sites

all

Reduces chance of encountering exploit pages

🧯 If You Can't Patch

  • Restrict browser usage to trusted websites only
  • Implement network filtering to block known malicious domains

🔍 How to Verify

Check if Vulnerable:

Check Chrome version: If version is below 100.0.4896.88, system is vulnerable.

Check Version:

chrome://version/ (in Chrome address bar) or 'google-chrome --version' (Linux terminal)

Verify Fix Applied:

Confirm Chrome version is 100.0.4896.88 or higher.

📡 Detection & Monitoring

Log Indicators:

  • Chrome crash reports
  • Unexpected browser termination events
  • Security event logs showing exploit attempts

Network Indicators:

  • Traffic to known malicious domains hosting exploit code
  • Unusual JavaScript execution patterns

SIEM Query:

source="chrome" AND (event_type="crash" OR message="*V8*" OR message="*heap corruption*")

🔗 References

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