CVE-2023-43552CWE-416

Use After Free in WLAN Host Communication

Critical · published March 4, 2024

CVSS v3.1
9.8
EPSS
0%
Percentile
27.8
In the wild
Unconfirmed
What it is

🔥 A critical memory corruption vulnerability lies hidden in MBSSID beacons! This can allow attackers to wreak havoc on your network without a trace. ⚡ Think of it like a waiter who mischarges customers due to a faulty cash register — the wrong transactions keep piling up and eventually cause chaos at the restaurant. That’s what’s happening here: corrupted memory can lead to unpredictable behaviors in your network systems. If exploited, this vulnerability could allow attackers to execute arbitrary code or crash your system entirely, resulting in potential data loss and complete network instability. Imagine the chaos if a rogue element could manipulate your Wi-Fi infrastructure! This could compromise sensitive data and disrupt operations.

Put simply

Think of it like a waiter who mischarges customers due to a faulty cash register — the wrong transactions keep piling up and eventually cause chaos at the restaurant. That’s what’s happening here: corrupted memory can lead to unpredictable behaviors in your network systems. This vulnerability arises from improper memory handling when processing MBSSID beacons with multiple subelement Information Elements (IE). An attacker could exploit this flaw by sending a specially crafted beacon, leading to memory corruption and potentially remote code execution.

What to do

If exploited, this vulnerability could allow attackers to execute arbitrary code or crash your system entirely, resulting in potential data loss and complete network instability. Imagine the chaos if a rogue element could manipulate your Wi-Fi infrastructure! This could compromise sensitive data and disrupt operations. To mitigate this risk, ensure you update affected systems to the latest firmware provided by your vendor. Additionally, monitor your network for unusual beacon traffic as a precaution. Don’t overlook this — your defense starts with a proactive approach! You've got this! Stay vigilant, patch those systems, and let’s keep our networks safe! 🛡️

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
0.00353 · 27.8th percentile
Weakness
CWE-416 · Use After Free
Published
2024-03-04T10:48Z
EPSS history
Timeline
  • 04 MAR 10:48Z
    Use After Free in WLAN Host Communication
    cvelistv5