#VU17945 Input validation error in Windows and Windows Server


Published: 2019-03-12

Vulnerability identifier: #VU17945

Vulnerability risk: Medium

CVSSv3.1: 7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-0698

CWE-ID: CWE-20

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of attacker-supplied input when processing responses from a malicious DHCP server. A remote attacker can trick the victim to connect to a malicious DHCP server and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows: 10 1803 10.0.17134.48, 10 1809 10.0.17763.1

Windows Server: 2019 10.0.17763.1 - 2019 1803


External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0698


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability