CVE-2019-5082

An exploitable heap buffer overflow vulnerability exists in the iocheckd service I/O-Check functionality of WAGO PFC200 Firmware version 03.01.07(13), WAGO…

published January 8, 2020

CVSS
—
EPSS
3%
Percentile
88.5
In the wild
Unconfirmed
What it is

⚠️ A heap buffer overflow just waiting for its moment! An attacker can send a crafty set of packets to the iocheckd service and potentially execute arbitrary code. 🔥 Think of it like overfilling a coffee cup. If you pour too much, some of it spills over and creates a mess—this vulnerability lets bad actors overflow the buffer and run their code, leading to unexpected chaos! An attacker could gain unauthorized access and control of the device running the WAGO PFC200 or PFC100. This could lead to data breaches, system manipulation, or even complete device takeover—yikes!

Put simply

Think of it like overfilling a coffee cup. If you pour too much, some of it spills over and creates a mess—this vulnerability lets bad actors overflow the buffer and run their code, leading to unexpected chaos! This vulnerability lies in the heap memory management of the iocheckd service, which can be exploited by sending specially crafted packets. When the buffer exceeds its limits, it can lead to code execution.

What to do

An attacker could gain unauthorized access and control of the device running the WAGO PFC200 or PFC100. This could lead to data breaches, system manipulation, or even complete device takeover—yikes! To protect against this vulnerability, update the firmware to the latest version available. Ensure that any unnecessary services are disabled, and monitor incoming packets for unusual activity. Regular audits can also help catch these sneaky attacks before they escalate! You've got this! Stay proactive and keep your systems secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03316 · 88.5th percentile
Published
2020-01-08T16:19Z
EPSS history
Timeline
  • 08 JAN 16:19Z
    An exploitable heap buffer overflow vulnerability exists in the iocheckd service I/O-Check functionality of WAGO PFC200 Firmware version 03.01.07(13), WAGO…
    cvelistv5