CVE-2024-20018

In wlan driver, there is a possible out of bounds write due to improper input validation

Critical · published March 4, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
61.8
In the wild
Unconfirmed
What it is

🚨 A sneaky out-of-bounds write in the wlan driver makes this vulnerability particularly devastating — local privilege escalation is just around the corner! 🔥 Think of it like an overflow in a busy restaurant’s kitchen. If a chef misjudges the size of a pot, they might let ingredients spill over, potentially contaminating the entire dish — here, a careless input could allow an attacker to spill over into areas they shouldn't, gaining unwarranted access. This vulnerability could allow attackers to escalate their privileges without needing extra permissions, much like an unauthorized diner suddenly being allowed behind the kitchen doors. With this access, they could manipulate system configurations and gain control over sensitive data, leading to potentially catastrophic security breaches.

Put simply

Think of it like an overflow in a busy restaurant’s kitchen. If a chef misjudges the size of a pot, they might let ingredients spill over, potentially contaminating the entire dish — here, a careless input could allow an attacker to spill over into areas they shouldn't, gaining unwarranted access. In the wlan driver, improper input validation results in an out-of-bounds write, allowing attackers to overwrite memory and escalate their privileges locally without any required user interaction.

What to do

This vulnerability could allow attackers to escalate their privileges without needing extra permissions, much like an unauthorized diner suddenly being allowed behind the kitchen doors. With this access, they could manipulate system configurations and gain control over sensitive data, leading to potentially catastrophic security breaches. To protect your systems, patch immediately with Patch ID: WCNCR00348479. It's essential to update your drivers to ensure this vulnerability is mitigated effectively. Regular audits on driver integrity could also fortify your defenses against similar exploits. You've got this! By following these steps, you’ll be well on your way to keeping your systems secure. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00979 · 61.8th percentile
Published
2024-03-04T02:43Z
EPSS history
Timeline
  • 04 MAR 02:43Z
    In wlan driver, there is a possible out of bounds write due to improper input validation
    cvelistv5