Microsoft Hyper-V Network Switch input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Microsoft Hyper-V (affected version unknown). This issue affects an unknown functionality of the component Network Switch. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch running on a Windows 10, Windows 8.1, Windows Server 2012, Windows Server 2012 R2, or Windows Server 2016 host server fails to properly validate input from a privileged user on a guest operating system, aka "Hyper-V Denial of Service Vulnerability." This CVE ID is unique from CVE-2017-0178, CVE-2017-0179, CVE-2017-0182, CVE-2017-0183, CVE-2017-0184, and CVE-2017-0185.

The bug was discovered 04/11/2017. The weakness was published 04/11/2017 with Offensive Security (Website). It is possible to read the advisory at portal.msrc.microsoft.com. The identification of this vulnerability is CVE-2017-0186 since 09/09/2016. The attack may be initiated remotely. The successful exploitation needs a simple authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 99285 (Windows Server 2012 April 2017 Security Updates (Petya)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91355 (Microsoft Windows Security Update April 2017).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99285) and SecurityFocus (BID 97438†). Similar entries are available at VDB-99533, VDB-99655, VDB-99656 and VDB-99657. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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CPE 2.3info

CPE 2.2info

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VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
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NVD Base Score: 5.8
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Nessus ID: 99285
Nessus Name: Windows Server 2012 April 2017 Security Updates (Petya)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 800218
OpenVAS Name: Microsoft Windows Multiple Vulnerabilities (KB4015583)
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Timelineinfo

09/09/2016 🔍
04/11/2017 +214 days 🔍
04/11/2017 +0 days 🔍
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04/11/2017 +0 days 🔍
04/11/2017 +0 days 🔍
04/12/2017 +1 days 🔍
04/12/2017 +0 days 🔍
12/23/2024 +2812 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Organization: Offensive Security
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-0186 (🔍)
GCVE (CVE): GCVE-0-2017-0186
GCVE (VulDB): GCVE-100-99695

OVAL: 🔍

SecurityFocus: 97438 - Microsoft Windows Hyper-V CVE-2017-0186 Remote Denial of Service Vulnerability
OSVDB: - CVE-2017-0186 - Microsoft - Windows - Denial of Service Issue

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 04/12/2017 08:33 PM
Updated: 12/23/2024 06:20 AM
Changes: 04/12/2017 08:33 PM (65), 08/29/2020 05:13 PM (12), 11/28/2022 07:25 PM (4), 12/23/2024 06:20 AM (24)
Complete: 🔍
Cache ID: 18:01D:40

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