Buffer overflow in Microsoft Windows Server 2012
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. 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.
Vulnerability class: Buffer Overflow
EPSS: 0.053 (91.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Microsoft Windows Server 2012 — versions 6.2.0
- Microsoft Windows_server_2012 — versions r2
- Microsoft Windows Server 2012 R2 — versions 6.3.0
- Microsoft Windows Server 2012 R2 (Server Core Installation) — versions 6.3.0
- Microsoft Windows Server 2012 (Server Core Installation) — versions 6.2.0
- Microsoft Windows Server 2016 — versions 10.0.0
- Microsoft Windows_server_2016 — versions 1803, 1903
- Microsoft Windows Server 2016 (Server Core Installation) — versions 10.0.0
- Microsoft Windows Server 2019 — versions 10.0.0
- Microsoft Windows_server_2019
Weakness classification (CWE)
References
- secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-1206?
- CVE-2019-1206 is a high-severity vulnerability in Microsoft Windows Server 2012, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2019-08-14.
- How severe is CVE-2019-1206?
- High severity. CVSS v3 base score is 7.5 out of 10.