CVE-2023-32409KEV · OVERDUE

Apple Multiple Products WebKit Sandbox Escape Vulnerability

High · published June 23, 2023

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 8.6. It is confirmed in active exploitation. It sits in the 97.0th percentile for exploit probability.

1230
days past CISA
deadline
CVSS v3.1
8.6
EPSS
17%
Percentile
97.0
In the wild
Confirmed
What it is

🚨 A remote attacker can break free from the Web Content sandbox! This vulnerability is a serious concern for users of Apple devices. ⚡ Think of the Web Content sandbox as a stylish glass box protecting valuable art. This vulnerability is like a sneaky thief who figured out how to break the glass and steal the exhibit! If exploited, an attacker could gain unauthorized access to sensitive data or applications, jeopardizing user privacy and security. This could lead to data theft, unauthorized actions, or even a complete system compromise — absolutely devastating for any device owner!

Put simply

Think of the Web Content sandbox as a stylish glass box protecting valuable art. This vulnerability is like a sneaky thief who figured out how to break the glass and steal the exhibit! This vulnerability allows remote attackers to bypass bounds checks in the Web Content sandbox, enabling them to escape the isolated environment designed to protect user data.

What to do

If exploited, an attacker could gain unauthorized access to sensitive data or applications, jeopardizing user privacy and security. This could lead to data theft, unauthorized actions, or even a complete system compromise — absolutely devastating for any device owner! Immediately update your devices to the latest versions: watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.8, iPadOS 15.7.8, and Safari 16.5. These updates contain essential security patches that resolve this vulnerability. Don't wait — secure your devices now! You've got this! By updating, you’ll be locking down your defenses and keeping the bad guys at bay. 🛡️

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.16530 · 97.0th percentile
Published
2023-06-23T00:00Z
KEV added
2023-05-22 · due 2023-06-12
EPSS history
Timeline
  • 23 JUN 00:00Z
    The issue was addressed with improved bounds checks
    cvelistv5
  • 22 MAY 00:00Z
    Added to CISA KEV — remediate by Jun 12
    kev