CVE-2019-0785

Windows DHCP Server Remote Code Execution Vulnerability

CVE-2019-0785 is fixed in 10 products on 1 platform, first by KB4507460, released July 9, 2019. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent
CVSS
9.8
Critical
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.4963
98th percentile

<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 either run arbitrary code on the DHCP failover server or 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

ProductFixed inFixReleased
Microsoft
Windows Server 2012 KB4507464 Jul 9, 2019
Windows Server 2012 KB4507462 Jul 9, 2019
Windows Server 2012 (Server Core installation) KB4507464 Jul 9, 2019
Windows Server 2012 (Server Core installation) KB4507462 Jul 9, 2019
Windows Server 2012 R2 KB4507457 Jul 9, 2019
Windows Server 2012 R2 KB4507448 Jul 9, 2019
Windows Server 2012 R2 (Server Core installation) KB4507457 Jul 9, 2019
Windows Server 2012 R2 (Server Core installation) KB4507448 Jul 9, 2019
Windows Server 2016 14393.3085 KB4507460 Jul 9, 2019
Windows Server 2016 (Server Core installation) 14393.3085 KB4507460 Jul 9, 2019
Windows Server 2019 17763.615 KB4507469 Jul 9, 2019
Windows Server 2019 (Server Core installation) 17763.615 KB4507469 Jul 9, 2019
Windows Server, version 1803 (Server Core Installation) 17134.885 KB4507435 Jul 9, 2019
Windows Server, version 1903 (Server Core installation) 18362.239 KB4507453 Jul 9, 2019