Microsoft Windows up to Server 2016 Hyper-V input validation

CVSS Meta Temp Score
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CTI Interest Score
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8.2$5k-$25k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows up to Server 2016. It has been rated as critical. The impacted element is an unknown function of the component Hyper-V. This manipulation causes input validation. This vulnerability appears as CVE-2018-0965. The attack may be initiated remotely. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical was found in Microsoft Windows up to Server 2016 (Operating System). Affected by this vulnerability is an unknown function of the component Hyper-V. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 09/11/2018. The weakness was presented 09/11/2018 with Microsoft as confirmed security update guide (Website). It is possible to read the advisory at portal.msrc.microsoft.com. The public release was coordinated in cooperation with Microsoft. This vulnerability is known as CVE-2018-0965 since 12/01/2017. The attack can be launched remotely. The successful exploitation requires a single authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/08/2023). The advisory points out:

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system. To exploit the vulnerability, an attacker could run a specially crafted application on a guest operating system that could cause the Hyper-V host operating system to execute arbitrary code.

The vulnerability scanner Nessus provides a plugin with the ID 117416 (KB4457138: Windows 10 Version 1703 September 2018 Security Update), 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 371164 (Microsoft Windows Security Update September 2018).

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 (117416) and SecurityFocus (BID 105229†). See VDB-123825, VDB-123832, VDB-123837 and VDB-123842 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.2

VulDB Base Score: 9.1
VulDB Temp Score: 8.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 7.6
Vendor Vector (Microsoft): 🔍

NVD Base Score: 8.4
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 117416
Nessus Name: KB4457138: Windows 10 Version 1703 September 2018 Security Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

12/01/2017 🔍
09/11/2018 +283 days 🔍
09/11/2018 +0 days 🔍
09/11/2018 +0 days 🔍
09/11/2018 +0 days 🔍
09/11/2018 +0 days 🔍
09/12/2018 +0 days 🔍
09/12/2018 +0 days 🔍
05/08/2023 +1699 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: portal.msrc.microsoft.com
Organization: Microsoft
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2018-0965 (🔍)
GCVE (CVE): GCVE-0-2018-0965
GCVE (VulDB): GCVE-100-123823

OVAL: 🔍

SecurityFocus: 105229 - Microsoft Windows Hyper-V CVE-2018-0965 Remote Code Execution Vulnerability
SecurityTracker: 1041624

scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔍

Entryinfo

Created: 09/12/2018 07:08
Updated: 05/08/2023 09:35
Changes: 09/12/2018 07:08 (85), 03/22/2020 13:41 (6), 05/08/2023 09:35 (5)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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