CVE-2023-7024KEV · OVERDUE

Google Chromium WebRTC Heap Buffer Overflow Vulnerability

High · published December 21, 2023

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 93.9th percentile for exploit probability.

1004
days past CISA
deadline
CVSS v3.1
8.8
EPSS
7%
Percentile
93.9
In the wild
Confirmed
What it is

🚨 A sneaky heap buffer overflow in WebRTC for Google Chrome can be exploited through a malicious HTML page! 😱 Think of your browser like a restaurant kitchen: if one chef (the webpage) can slip in rotten ingredients (malicious code) without anyone checking, it could spoil the whole meal (your system's security)! An attacker could exploit this vulnerability to cause heap corruption, potentially leading to arbitrary code execution. This means they could run malicious code on your computer, stealing data or taking control of your system – absolutely devastating! 🔥

Put simply

Think of your browser like a restaurant kitchen: if one chef (the webpage) can slip in rotten ingredients (malicious code) without anyone checking, it could spoil the whole meal (your system's security)! This vulnerability arises from a heap buffer overflow in WebRTC, allowing attackers to manipulate memory allocation through specially crafted HTML pages, leading to possible code execution without user interaction.

What to do

An attacker could exploit this vulnerability to cause heap corruption, potentially leading to arbitrary code execution. This means they could run malicious code on your computer, stealing data or taking control of your system – absolutely devastating! 🔥 Update Google Chrome to version 120.0.6099.129 or later immediately to patch this vulnerability. If you're managing systems that use Chrome, ensure all instances are updated and secure! 🛡️ You've got this! Follow the steps to keep your digital space safe and sound! 💪✨

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
0.06671 · 93.9th percentile
Published
2023-12-21T22:26Z
KEV added
2024-01-02 · due 2024-01-23
EPSS history
Timeline
  • 02 JAN 00:00Z
    Added to CISA KEV — remediate by Jan 23
    kev
  • 21 DEC 22:26Z
    Heap buffer overflow in WebRTC in Google Chrome prior to 120.0.6099.129 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML…
    cvelistv5