CVE-2023-28561CWE-120

Buffer Copy Without Checking Size of Input in QESL

Critical · published August 8, 2023

CVSS v3.1
9.8
EPSS
0%
Percentile
37.5
In the wild
Unconfirmed
What it is

🔥 A memory corruption flaw in QESL could let attackers send rogue payloads and wreak havoc on your firmware! Think of it like a restaurant where one bad order slips past the quality control check — if the chef doesn't notice, they could end up serving something absolutely disastrous! This vulnerability could allow an attacker to execute arbitrary code within the firmware, leading to potential system crashes or unauthorized access. The consequences could be absolutely devastating, impacting critical operations and data integrity.

Put simply

Think of it like a restaurant where one bad order slips past the quality control check — if the chef doesn't notice, they could end up serving something absolutely disastrous! CVE-2023-28561 arises from a memory corruption issue when processing payloads from external ESL devices, which can be exploited to execute damaging code on the firmware.

What to do

This vulnerability could allow an attacker to execute arbitrary code within the firmware, leading to potential system crashes or unauthorized access. The consequences could be absolutely devastating, impacting critical operations and data integrity. Immediately patch your firmware to the latest version containing the fix for this vulnerability. Review your security policies regarding external device interactions and ensure robust input validation processes are in place. You've got this! Follow these steps and you'll keep your systems safe and sound! 🛡️

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
0.00443 · 37.5th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2023-08-08T09:15Z
EPSS history
Timeline
  • 08 AUG 09:15Z
    Buffer Copy Without Checking Size of Input in QESL
    cvelistv5