CVE-2022-43605CWE-787

An out-of-bounds write vulnerability exists in the SetAttributeList attribute_count_request functionality of EIP Stack Group OpENer development commit 58ee13c

Critical · published March 16, 2023

CVSS v3.1
10.0
EPSS
14%
Percentile
96.6
In the wild
Unconfirmed
What it is

🚨 A single malicious EtherNet/IP request can cause a catastrophic crash or even lead to remote code execution! 🔥 Think of it like a waiter who mistakenly serves a dish without checking if the order is correct — one wrong ingredient can spoil the entire meal, leaving everyone in the restaurant in chaos! If exploited, this vulnerability could allow attackers to crash the server or gain complete control over it, potentially compromising sensitive data and disrupting operations. The ramifications could be absolutely devastating, affecting not just one system, but possibly an entire network of devices.

Put simply

Think of it like a waiter who mistakenly serves a dish without checking if the order is correct — one wrong ingredient can spoil the entire meal, leaving everyone in the restaurant in chaos! This vulnerability arises from an out-of-bounds write in the SetAttributeList functionality of EIP Stack Group OpENer. By sending specially crafted EtherNet/IP requests, an attacker can manipulate memory allocation, leading to unpredictable behavior such as server crashes or remote code execution.

What to do

If exploited, this vulnerability could allow attackers to crash the server or gain complete control over it, potentially compromising sensitive data and disrupting operations. The ramifications could be absolutely devastating, affecting not just one system, but possibly an entire network of devices. Immediate action is crucial: update to the latest version of EIP Stack Group OpENer that addresses this vulnerability. Implement monitoring to detect unusual EtherNet/IP requests and ensure your network segmentation is robust to limit potential exposure. You've got this! With these steps, you're well on your way to securing your systems and keeping the bad guys out! 🛡️

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.14372 · 96.6th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2023-03-16T20:14Z
EPSS history
Timeline
  • 16 MAR 20:14Z
    An out-of-bounds write vulnerability exists in the SetAttributeList attribute_count_request functionality of EIP Stack Group OpENer development commit 58ee13c
    cvelistv5