NetSight
high7.5

CVE-2019-1206

A memory corruption vulnerability exists in the Windows Server DHCP service when an attacker sends specially crafted packets to a DHCP failover server.

Impact

A memory corruption vulnerability exists in the Windows Server DHCP service when an attacker sends specially crafted packets to a DHCP failover server. An attacker who successfully exploited the vulnerability could cause the DHCP service to become nonresponsive. To exploit the vulnerability, an attacker could send a specially crafted packet to a DHCP server. However, the DHCP server must be set to failover mode for the attack to succeed. The security update addresses the vulnerability by correcting how DHCP failover servers handle network packets.

Affected products

VendorProductAffected versions
MicrosoftWindows Server 2012
All versions
Version r2
MicrosoftWindows Server 2016
All versions
Versions 1803, 1903
MicrosoftWindows Server 2019
All versions

Weakness classification

References