CVE-2022-2295 – This vulnerability is a type confusion flaw in ... (How to Fix)

Q: What is the severity of CVE-2022-2295?

CVE-2022-2295 has a CVSS score of 8.8 (HIGH). This vulnerability is a type confusion flaw in Chrome's V8 JavaScript engine that could allow a remote attacker to trigger heap corruption by tricking the browser into misinterpreting object types. Attackers could exploit this via malicious web pages to potentially execute arbitrary code. All users running vulnerable Chrome versions are affected.

📋 TL;DR

This vulnerability is a type confusion flaw in Chrome's V8 JavaScript engine that could allow a remote attacker to trigger heap corruption by tricking the browser into misinterpreting object types. Attackers could exploit this via malicious web pages to potentially execute arbitrary code. All users running vulnerable Chrome versions are affected.

💻 Affected Systems

Products:

Google Chrome
Chromium-based browsers

Versions: Prior to 103.0.5060.114

Operating Systems: Windows, Linux, macOS, Android

Default Config Vulnerable: ⚠️ Yes

Notes: All default Chrome configurations are vulnerable. Other browsers using V8 may also be 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...

Learn more about Chrome →

⚠️ Risk & Real-World Impact

🔴

Worst Case

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

🟠

Likely Case

Browser crash or sandbox escape allowing limited code execution within browser context.

🟢

If Mitigated

Browser crash with no further impact if sandboxing holds and exploit fails.

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ⚠️ Yes

Complexity: HIGH

Exploitation requires bypassing Chrome's sandbox and other mitigations.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 103.0.5060.114

Vendor Advisory: https://chromereleases.googleblog.com/2022/07/stable-channel-update-for-desktop.html

Restart Required: Yes

Instructions:

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

🔧 Temporary Workarounds

Disable JavaScript

all

Prevents exploitation by disabling JavaScript execution in Chrome

Use Site Isolation

all

Enhances sandboxing by isolating each website in separate processes

🧯 If You Can't Patch

Restrict browsing to trusted websites only
Use alternative browsers temporarily

🔍 How to Verify

Check if Vulnerable:

Check Chrome version in Settings → About Chrome. If version is below 103.0.5060.114, system is vulnerable.

Check Version:

google-chrome --version

Verify Fix Applied:

Confirm Chrome version is 103.0.5060.114 or higher in About Chrome.

📡 Detection & Monitoring

Log Indicators:

Chrome crash reports
Unexpected process termination logs

Network Indicators:

Requests to known malicious domains hosting exploit code

SIEM Query:

source="chrome" AND (event="crash" OR event="process_termination")

📊 Metadata

CVE ID: CVE-2022-2295

CVSS v3 Score: 8.8 (HIGH)

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE: CWE-843

Published: July 28, 2022

Last Updated: November 21, 2024

🔗 References

https://chromereleases.googleblog.com/2022/07/stable-channel-update-for-desktop.html Release Notes,Vendor Advisory
https://crbug.com/1336869 Permissions Required,Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5BQRTR4SIUNIHLLPWTGYSDNQK7DYCRSB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H2C4XOJVIILDXTOSMWJXHSQNEXFWSOD7/
https://security.gentoo.org/glsa/202208-35 Third Party Advisory
https://chromereleases.googleblog.com/2022/07/stable-channel-update-for-desktop.html Release Notes,Vendor Advisory
https://crbug.com/1336869 Permissions Required,Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5BQRTR4SIUNIHLLPWTGYSDNQK7DYCRSB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H2C4XOJVIILDXTOSMWJXHSQNEXFWSOD7/
https://security.gentoo.org/glsa/202208-35 Third Party Advisory

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🔗 Related Vulnerabilities

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