CVE-2023-33032CWE-190

Integer Overflow or Wraparound in TZ Secure OS

Critical · published January 2, 2024

CVSS v3.1
9.3
EPSS
0%
Percentile
1.8
In the wild
Unconfirmed
What it is

🚨 A memory allocation request is all it takes to trip over a critical memory corruption flaw in TZ Secure OS. 🔥 Think of it like a restaurant kitchen where an order for an extra-large pizza inadvertently leads to a spatula getting tossed into the oven. The whole system can go up in smoke because the kitchen mismanages the items it allows in! Exploiting this vulnerability could allow attackers to corrupt memory, leading to potential unauthorized access or system crashes. It’s a nightmare scenario for any device relying on TZ Secure OS, risking user data and system integrity. The stakes are high, and the consequences could be absolutely devastating!

Put simply

Think of it like a restaurant kitchen where an order for an extra-large pizza inadvertently leads to a spatula getting tossed into the oven. The whole system can go up in smoke because the kitchen mismanages the items it allows in! This vulnerability arises from improper handling of memory allocation requests in the Trusted Application (TA) region of TZ Secure OS, which could result in memory corruption, allowing attackers to gain control over the system.

What to do

Exploiting this vulnerability could allow attackers to corrupt memory, leading to potential unauthorized access or system crashes. It’s a nightmare scenario for any device relying on TZ Secure OS, risking user data and system integrity. The stakes are high, and the consequences could be absolutely devastating! Immediately apply patches provided by the vendor to address CVE-2023-33032. Review and enhance memory handling logic within your applications to mitigate potential risks associated with memory corruption. Regularly audit your OS updates to ensure you’re running the latest secure versions. You've got this! By taking these steps, you can fortify your defenses and keep your systems secure. 🛡️

The record
Technical detail
CVSS v3.1
9.3 · CRITICAL
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00122 · 1.8th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2024-01-02T05:38Z
EPSS history
Timeline
  • 02 JAN 05:38Z
    Integer Overflow or Wraparound in TZ Secure OS
    cvelistv5