CVE-2023-43538CWE-120

Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in TZ Secure OS

Critical · published June 3, 2024

CVSS v3.1
9.3
EPSS
0%
Percentile
1.0
In the wild
Unconfirmed
What it is

🔥 A memory corruption flaw during Tunnel Invoke Manager initialization could spell disaster for TZ Secure OS! Think of it like a contractor who misplaces a critical blueprint, leading to a structural collapse before the building even stands. If the foundation is compromised, the whole structure is at risk! An attacker could exploit this vulnerability to cause erratic behavior in the OS, potentially leading to unauthorized access or data leakage. With a CVSS score of 9.3, the consequences could be absolutely devastating — imagine your data spilling out like a broken dam!

Put simply

Think of it like a contractor who misplaces a critical blueprint, leading to a structural collapse before the building even stands. If the foundation is compromised, the whole structure is at risk! This vulnerability arises from memory corruption during the initialization phase of the Tunnel Invoke Manager in TZ Secure OS, impacting the system's stability and security. Improper handling of memory could allow attackers to manipulate the system’s operations.

What to do

An attacker could exploit this vulnerability to cause erratic behavior in the OS, potentially leading to unauthorized access or data leakage. With a CVSS score of 9.3, the consequences could be absolutely devastating — imagine your data spilling out like a broken dam! To mitigate this risk, patch to the latest version of TZ Secure OS immediately. Increase monitoring for any unusual system behavior and regularly audit your configurations to ensure security best practices are followed. You've got this! Take action today and ensure your systems are protected! 🛡️

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
0.00104 · 1.0th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2024-06-03T10:05Z
EPSS history
Timeline
  • 03 JUN 10:05Z
    Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in TZ Secure OS
    cvelistv5