Hyper-V Denial of Service Vulnerability



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-0185
CWE-ID CWE-20
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Windows Server
Operating systems & Components / Operating system

Windows
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper input validation

EUVDB-ID: #VU6265

Risk: Medium

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-0185

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated attacker to cause DoS conditions.

The vulnerability exists due to improper input validation by Windows Hyper-V Network Switch on a host server. A remote authenticated attacker can run a specially crafted application on a guest operating system and cause a host machine to crash.

Successful exploitation of this vulnerability may result in denial of service.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Windows Server: 2012 - 2016 10.0.14393.10

Windows: 8.1 - 10

CPE2.3 External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0185


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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