CVE-2022-1633 – This is a use-after-free vulnerability in Googl... (How to Fix)

Q: What is the severity of CVE-2022-1633?

CVE-2022-1633 has a CVSS score of 8.8 (HIGH). This is a use-after-free vulnerability in Google Chrome's Sharesheet component on Chrome OS that could allow heap corruption. An attacker could exploit this by tricking a user into performing specific UI interactions, potentially leading to arbitrary code execution. Users running Chrome OS versions before 101.0.4951.64 are affected.

📋 TL;DR

This is a use-after-free vulnerability in Google Chrome's Sharesheet component on Chrome OS that could allow heap corruption. An attacker could exploit this by tricking a user into performing specific UI interactions, potentially leading to arbitrary code execution. Users running Chrome OS versions before 101.0.4951.64 are affected.

💻 Affected Systems

Products:

Google Chrome

Versions: All versions prior to 101.0.4951.64

Operating Systems: Chrome OS

Default Config Vulnerable: ⚠️ Yes

Notes: Only affects Chrome OS devices; desktop Chrome on other OSes is not vulnerable.

📦 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 with user privileges, potentially leading to full system compromise if combined with privilege escalation.

🟠

Likely Case

Browser crash or instability, with potential for limited code execution in the browser context.

🟢

If Mitigated

No impact if patched or if users avoid suspicious UI interactions.

🌐 Internet-Facing: MEDIUM - Requires user interaction with attacker-controlled content but no authentication needed.

🏢 Internal Only: LOW - Same exploitation requirements, but internal users typically have less exposure to malicious content.

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ⚠️ Yes

Complexity: MEDIUM

Requires specific user interactions which may limit widespread exploitation.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 101.0.4951.64 and later

Vendor Advisory: https://chromereleases.googleblog.com/2022/05/stable-channel-update-for-desktop_10.html

Restart Required: Yes

Instructions:

1. Open Chrome browser 2. Click menu (three dots) → Help → About Google Chrome 3. Chrome will automatically check for and install updates 4. Click 'Relaunch' to restart Chrome

🔧 Temporary Workarounds

Disable automatic updates override

all

Ensure Chrome OS updates are not blocked or delayed

Check Chrome OS settings → About Chrome OS → Check for updates

🧯 If You Can't Patch

Restrict user access to untrusted websites and content
Educate users to avoid suspicious UI interactions or dialog boxes

🔍 How to Verify

Check if Vulnerable:

Check Chrome version in Settings → About Chrome OS

Check Version:

chrome://version in Chrome browser address bar

Verify Fix Applied:

Confirm Chrome version is 101.0.4951.64 or higher

📡 Detection & Monitoring

Log Indicators:

Chrome crash reports
Unexpected browser termination events

Network Indicators:

Unusual outbound connections following browser crashes

SIEM Query:

source="chrome_crash_reports" AND version<"101.0.4951.64"

📊 Metadata

CVE ID: CVE-2022-1633

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-416

Published: July 26, 2022

Last Updated: November 21, 2024

🔗 References

https://chromereleases.googleblog.com/2022/05/stable-channel-update-for-desktop_10.html Release Notes,Vendor Advisory
https://crbug.com/1316990 Permissions Required,Vendor Advisory
https://security.gentoo.org/glsa/202208-25 Third Party Advisory
https://chromereleases.googleblog.com/2022/05/stable-channel-update-for-desktop_10.html Release Notes,Vendor Advisory
https://crbug.com/1316990 Permissions Required,Vendor Advisory
https://security.gentoo.org/glsa/202208-25 Third Party Advisory

📤 Share & Export

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