CVE-2022-1861 – This is a use-after-free vulnerability in Chrom... (How to Fix)

Q: What is the severity of CVE-2022-1861?

CVE-2022-1861 has a CVSS score of 8.8 (HIGH). This is a use-after-free vulnerability in Chrome OS's Sharing feature that could allow heap corruption. A remote attacker could potentially execute arbitrary code by convincing a user to perform specific interactions. Affects Chrome OS users running versions before 102.0.5005.61.

📋 TL;DR

This is a use-after-free vulnerability in Chrome OS's Sharing feature that could allow heap corruption. A remote attacker could potentially execute arbitrary code by convincing a user to perform specific interactions. Affects Chrome OS users running versions before 102.0.5005.61.

💻 Affected Systems

Products:

Google Chrome on Chrome OS

Versions: Prior to 102.0.5005.61

Operating Systems: Chrome OS

Default Config Vulnerable: ⚠️ Yes

Notes: Only affects Chrome OS; 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 leading to full system compromise, data theft, or persistent malware installation.

🟠

Likely Case

Browser crash or limited data exposure, though RCE is possible with sophisticated exploitation.

🟢

If Mitigated

No impact if patched or if user avoids malicious sites/interactions.

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: HIGH

Requires user interaction and specific conditions; no public exploit code known.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 102.0.5005.61 and later

Vendor Advisory: https://chromereleases.googleblog.com/2022/05/stable-channel-update-for-desktop_24.html

Restart Required: Yes

Instructions:

1. Open Chrome OS settings. 2. Navigate to 'About Chrome OS'. 3. Click 'Check for updates'. 4. Install update 102.0.5005.61 or later. 5. Restart device.

🔧 Temporary Workarounds

Disable Sharing Feature

all

Temporarily disable the Sharing feature to reduce attack surface.

🧯 If You Can't Patch

Restrict user access to untrusted websites and links.
Use browser extensions to block scripts or enforce strict security policies.

🔍 How to Verify

Check if Vulnerable:

Check Chrome OS version in settings; if below 102.0.5005.61, it's vulnerable.

Check Version:

chrome://version

Verify Fix Applied:

Confirm Chrome OS version is 102.0.5005.61 or higher after update.

📡 Detection & Monitoring

Log Indicators:

Chrome crash logs referencing sharing features
Unexpected process terminations

Network Indicators:

Suspicious network activity post-user interaction with sharing prompts

SIEM Query:

source="chrome_logs" AND (event="crash" OR event="sharing_error")

📊 Metadata

CVE ID: CVE-2022-1861

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 27, 2022

Last Updated: November 21, 2024

🔗 References

https://chromereleases.googleblog.com/2022/05/stable-channel-update-for-desktop_24.html Release Notes,Vendor Advisory
https://crbug.com/1316846 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_24.html Release Notes,Vendor Advisory
https://crbug.com/1316846 Permissions Required,Vendor Advisory
https://security.gentoo.org/glsa/202208-25 Third Party Advisory

📤 Share & Export

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