CVE-2019-0698

A memory corruption vulnerability exists in the Windows DHCP client when an attacker sends specially crafted DHCP responses to a client, aka 'Windows DHCP…

published April 8, 2019

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.2th percentile for exploit probability.

CVSS
—
EPSS
63%
Percentile
99.2
In the wild
Unconfirmed
What it is

🚨 A crafty attacker could exploit this memory corruption vulnerability in the Windows DHCP client with a bad DHCP response—think of it as a delivery driver handing over a faulty package that crashes your system! 🔥 Imagine your computer is like a restaurant kitchen, where the DHCP client is the chef. If an attacker sends a bad order (malicious DHCP response), it could cause the chef to start cooking up a storm of errors, potentially leading to a chaotic kitchen (your system crashing). If exploited, this vulnerability could allow attackers to execute arbitrary code on the affected system, leading to full control over the device. This scenario could result in loss of sensitive data, unauthorized access to networks, and serious disruption of services.

Put simply

Imagine your computer is like a restaurant kitchen, where the DHCP client is the chef. If an attacker sends a bad order (malicious DHCP response), it could cause the chef to start cooking up a storm of errors, potentially leading to a chaotic kitchen (your system crashing). This vulnerability arises from a memory corruption issue in the Windows DHCP client when it processes specially crafted DHCP responses. Essentially, it’s an oversight where the client mishandles unexpected data, paving the way for potential remote code execution.

What to do

If exploited, this vulnerability could allow attackers to execute arbitrary code on the affected system, leading to full control over the device. This scenario could result in loss of sensitive data, unauthorized access to networks, and serious disruption of services. To safeguard against this vulnerability, ensure your Windows systems are updated with the latest patches from Microsoft. Regularly review and secure your DHCP configurations to minimize exposure to bad network traffic. You've got this! Follow these steps and keep your systems safe! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.62850 · 99.2th percentile
Published
2019-04-08T23:44Z
EPSS history
Timeline
  • 08 APR 23:44Z
    A memory corruption vulnerability exists in the Windows DHCP client when an attacker sends specially crafted DHCP responses to a client, aka 'Windows DHCP…
    cvelistv5