Windows DHCP Server Denial of Service Vulnerability
CVE-2019-1206 is fixed in 10 products on 1 platform, first by KB4512517, released August 13, 2019. It is not reported as exploited. Patch Radar priority: High.
<p>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.</p> <p>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.</p> <p>The security update addresses the vulnerability by correcting how DHCP failover servers handle network packets.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows Server 2012 | KB4512482 | Aug 13, 2019 | |
| Windows Server 2012 | KB4512518 | Aug 13, 2019 | |
| Windows Server 2012 (Server Core installation) | KB4512482 | Aug 13, 2019 | |
| Windows Server 2012 (Server Core installation) | KB4512518 | Aug 13, 2019 | |
| Windows Server 2012 R2 | KB4512488 | Aug 13, 2019 | |
| Windows Server 2012 R2 | KB4512489 | Aug 13, 2019 | |
| Windows Server 2012 R2 (Server Core installation) | KB4512488 | Aug 13, 2019 | |
| Windows Server 2012 R2 (Server Core installation) | KB4512489 | Aug 13, 2019 | |
| Windows Server 2016 | 14393.3144 | KB4512517 | Aug 13, 2019 |
| Windows Server 2016 (Server Core installation) | 14393.3144 | KB4512517 | Aug 13, 2019 |
| Windows Server 2019 | 17763.678 | KB4511553 | Aug 13, 2019 |
| Windows Server 2019 (Server Core installation) | 17763.678 | KB4511553 | Aug 13, 2019 |
| Windows Server, version 1803 (Server Core Installation) | 17134.950 | KB4512501 | Aug 13, 2019 |
| Windows Server, version 1903 (Server Core installation) | 18362.295 | KB4512508 | Aug 13, 2019 |
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