CVE-2019-0626

A memory corruption vulnerability exists in the Windows Server DHCP service when an attacker sends specially crafted packets to a DHCP server, aka 'Windows…

published March 6, 2019

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.3th percentile for exploit probability.

CVSS
—
EPSS
69%
Percentile
99.3
In the wild
Unconfirmed
What it is

⚠️ An attacker could exploit a clever packet trick to tamper with your Windows DHCP server! Think of it like a mischievous delivery person intercepting your package orders — if they craft the right message, they might reroute your delivery to the wrong address entirely! If exploited, this memory corruption vulnerability could allow an attacker to execute arbitrary code on the affected server, leading to a complete takeover of your DHCP service. This could disrupt network operations, potentially affecting all devices relying on that server for IP addresses.

Put simply

Think of it like a mischievous delivery person intercepting your package orders — if they craft the right message, they might reroute your delivery to the wrong address entirely! This vulnerability occurs when specially crafted packets are sent to the Windows DHCP service, leading to memory corruption that can be exploited for remote code execution without any user interaction.

What to do

If exploited, this memory corruption vulnerability could allow an attacker to execute arbitrary code on the affected server, leading to a complete takeover of your DHCP service. This could disrupt network operations, potentially affecting all devices relying on that server for IP addresses. To mitigate this risk, ensure your Windows Server is updated with the latest security patches. Regularly audit your DHCP configurations and monitor network traffic for unusual packet activity. It's also wise to implement strict firewall rules to filter incoming traffic. 🛡️ You've got this! Stay vigilant and apply these measures to keep your network safe! 💪✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.68627 · 99.3th percentile
Published
2019-03-06T00:00Z
EPSS history
Timeline
  • 06 MAR 00:00Z
    A memory corruption vulnerability exists in the Windows Server DHCP service when an attacker sends specially crafted packets to a DHCP server, aka 'Windows…
    cvelistv5