CVE-2022-3723KEV · OVERDUE

Google Chromium V8 Type Confusion Vulnerability

High · published November 1, 2022

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 8.8. It is confirmed in active exploitation. It sits in the 94.7th percentile for exploit probability.

1435
days past CISA
deadline
CVSS v3.1
8.8
EPSS
8%
Percentile
94.7
In the wild
Confirmed
What it is

🚨 A crafty HTML page can unleash chaos in Google Chrome! This type confusion vulnerability is like a magician pulling a fast one on your browser, causing heap corruption with a mere click! ⚡ Think of it as a chef receiving an order for a dish but misinterpreting the ingredients—resulting in a disastrous meal! The browser gets confused about the data types it’s handling, leading to potential corruption in the kitchen of memory management. An attacker could exploit this flaw to corrupt the heap memory, potentially allowing them to execute arbitrary code! This could lead to full system compromise, making it a serious threat to users, especially if they visit a malicious site. Talk about a recipe for disaster!

Put simply

Think of it as a chef receiving an order for a dish but misinterpreting the ingredients—resulting in a disastrous meal! The browser gets confused about the data types it’s handling, leading to potential corruption in the kitchen of memory management. This vulnerability exists in the V8 engine of Google Chrome, where type confusion can occur, allowing remote attackers to exploit heap corruption through specially crafted HTML pages. Without proper type handling, the browser can mismanage memory access, leading to security breaches.

What to do

An attacker could exploit this flaw to corrupt the heap memory, potentially allowing them to execute arbitrary code! This could lead to full system compromise, making it a serious threat to users, especially if they visit a malicious site. Talk about a recipe for disaster! Update Google Chrome to version 107.0.5304.87 or later immediately. If your organization manages browser deployments, ensure all users are on the latest stable release and consider implementing additional security measures like site isolation. 🔒 You've got this! Stay vigilant, keep your software updated, and you'll be a security hero in no time! 🦸

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.07921 · 94.7th percentile
Published
2022-11-01T00:00Z
KEV added
2022-10-28 · due 2022-11-18
EPSS history
Timeline
  • 01 NOV 00:00Z
    Type confusion in V8 in Google Chrome prior to 107.0.5304.87 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page
    cvelistv5
  • 28 OCT 00:00Z
    Added to CISA KEV — remediate by Nov 18
    kev