CVE-2023-33030CWE-120

Buffer Copy without Checking Size of Input in HLOS

Critical · published January 2, 2024

CVSS v3.1
9.3
EPSS
0%
Percentile
1.9
In the wild
Unconfirmed
What it is

🚨 A memory corruption bug in HLOS is like a leaky faucet slowly flooding your home! 🔥 Imagine a hotel lobby where the floor plan changes without warning, causing confusion for guests trying to find their rooms. This vulnerability disrupts the expected flow of data, similar to how a misaligned hotel map can lead guests astray. This could lead to absolute chaos! An attacker could exploit this flaw to execute arbitrary code, potentially compromising sensitive systems or data. The implications are severe, as it could disrupt services or allow unauthorized access.

Put simply

Imagine a hotel lobby where the floor plan changes without warning, causing confusion for guests trying to find their rooms. This vulnerability disrupts the expected flow of data, similar to how a misaligned hotel map can lead guests astray. CVE-2023-33030 allows for memory corruption under specific circumstances while processing PlayReady use-cases, which can let attackers run malicious code. It's a critical vulnerability affecting how HLOS handles memory.

What to do

This could lead to absolute chaos! An attacker could exploit this flaw to execute arbitrary code, potentially compromising sensitive systems or data. The implications are severe, as it could disrupt services or allow unauthorized access. To protect yourself, update your HLOS to the latest version immediately. Ensure you're running the patched version that addresses this vulnerability, and conduct thorough testing in your environment to prevent exploitation. You’ve got this! Follow these steps to secure your systems, and you’ll be a security hero in no time! 🛡️

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 · 1.9th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2024-01-02T05:38Z
EPSS history
Timeline
  • 02 JAN 05:38Z
    Buffer Copy without Checking Size of Input in HLOS
    cvelistv5