CVE-2022-43604CWE-787

An out-of-bounds write vulnerability exists in the GetAttributeList 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 specially crafted EtherNet/IP request can trigger a CRITICAL out-of-bounds write vulnerability! 🔥 This vulnerability is like a delivery driver following an incomplete address, leading to potential chaos when they accidentally drop a package in the wrong place. In this case, data can spill over where it shouldn’t, causing the server to crash or worse. An attacker could exploit this vulnerability by sending a series of malicious requests, resulting in remote code execution or crashing the entire server. This could lead to unauthorized access, data loss, and even disruption of services that rely on the EIP Stack Group OpENer. The stakes are high, and the damage could be absolutely devastating!

Put simply

This vulnerability is like a delivery driver following an incomplete address, leading to potential chaos when they accidentally drop a package in the wrong place. In this case, data can spill over where it shouldn’t, causing the server to crash or worse. The out-of-bounds write vulnerability exists in the GetAttributeList attribute_count_request functionality of EIP Stack Group OpENer, allowing attackers to manipulate memory allocation through crafted requests, leading to server instability or remote code execution.

What to do

An attacker could exploit this vulnerability by sending a series of malicious requests, resulting in remote code execution or crashing the entire server. This could lead to unauthorized access, data loss, and even disruption of services that rely on the EIP Stack Group OpENer. The stakes are high, and the damage could be absolutely devastating! Immediate action is required: patch to the latest version of EIP Stack Group OpENer that addresses this vulnerability. Review your server's configuration and limit the sources that can send EtherNet/IP requests. Regularly audit and monitor your network traffic for unusual activity. You've got this! Act quickly and secure your systems today. 🛡️

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 GetAttributeList attribute_count_request functionality of EIP Stack Group OpENer development commit 58ee13c
    cvelistv5