CVE-2019-1212

Windows DHCP Server Denial of Service Vulnerability

Description

A memory corruption vulnerability exists in the Windows Server DHCP service when processing specially crafted packets. An attacker who successfully exploited the vulnerability could cause the DHCP server service to stop responding. To exploit the vulnerability, a remote unauthenticated attacker could send a specially crafted packet to an affected DHCP server. The security update addresses the vulnerability by correcting how DHCP servers handle network packets.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 17.82% Top 10%
Vendor Advisory microsoft.com
Affected: Microsoft Windows 10 Version 1803
Affected: Microsoft Windows Server, version 1803 (Server Core Installation)
Affected: Microsoft Windows 10 Version 1809
Affected: Microsoft Windows Server 2019
Affected: Microsoft Windows Server 2019 (Server Core installation)
Affected: Microsoft Windows 10 Version 1709 for 32-bit Systems
Affected: Microsoft Windows 10 Version 1709
Affected: Microsoft Windows 10 Version 1903 for 32-bit Systems
Affected: Microsoft Windows 10 Version 1903 for x64-based Systems
Affected: Microsoft Windows 10 Version 1903 for ARM64-based Systems
Affected: Microsoft Windows Server, version 1903 (Server Core installation)
Affected: Microsoft Windows 10 Version 1607
Affected: Microsoft Windows Server 2016
Affected: Microsoft Windows Server 2016 (Server Core installation)
Affected: Microsoft Windows 7
Affected: Microsoft Windows 7 Service Pack 1
Affected: Microsoft Windows 8.1
Affected: Microsoft Windows Server 2008 Service Pack 2
Affected: Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)
Affected: Microsoft Windows Server 2008 Service Pack 2
Affected: Microsoft Windows Server 2008 R2 Systems Service Pack 1
Affected: Microsoft Windows Server 2008 R2 Service Pack 1
Affected: Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
Affected: Microsoft Windows Server 2012
Affected: Microsoft Windows Server 2012 (Server Core installation)
Affected: Microsoft Windows Server 2012 R2
Affected: Microsoft Windows Server 2012 R2 (Server Core installation)
Published at:
Updated at:

References

Link Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1212 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-1212?
CVE-2019-1212 has been scored as a critical severity vulnerability.
How to fix CVE-2019-1212?
To fix CVE-2019-1212, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-1212 being actively exploited in the wild?
It is possible that CVE-2019-1212 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~18% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-1212?
CVE-2019-1212 affects Microsoft Windows 10 Version 1803, Microsoft Windows Server, version 1803 (Server Core Installation), Microsoft Windows 10 Version 1809, Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows 10 Version 1709 for 32-bit Systems, Microsoft Windows 10 Version 1709, Microsoft Windows 10 Version 1903 for 32-bit Systems, Microsoft Windows 10 Version 1903 for x64-based Systems, Microsoft Windows 10 Version 1903 for ARM64-based Systems, Microsoft Windows Server, version 1903 (Server Core installation), Microsoft Windows 10 Version 1607, Microsoft Windows Server 2016, Microsoft Windows Server 2016 (Server Core installation), Microsoft Windows 7, Microsoft Windows 7 Service Pack 1, Microsoft Windows 8.1, Microsoft Windows Server 2008 Service Pack 2, Microsoft Windows Server 2008 Service Pack 2 (Server Core installation), Microsoft Windows Server 2008 Service Pack 2, Microsoft Windows Server 2008 R2 Systems Service Pack 1, Microsoft Windows Server 2008 R2 Service Pack 1, Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation), Microsoft Windows Server 2012, Microsoft Windows Server 2012 (Server Core installation), Microsoft Windows Server 2012 R2, Microsoft Windows Server 2012 R2 (Server Core installation).
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