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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6.7$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Microsoft Windows. The impacted element is an unknown function of the component Hyper-V. The manipulation leads to input validation. This vulnerability is listed as CVE-2018-0959. The attack must be carried out from within the local network. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Windows (Operating System). This issue affects an unknown code of the component Hyper-V. 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 confidentiality, integrity, and availability.

The bug was discovered 05/08/2018. The weakness was presented 05/08/2018 with Microsoft as confirmed security update guide (Website). It is possible to read the advisory at portal.msrc.microsoft.com. The identification of this vulnerability is CVE-2018-0959 since 12/01/2017. The exploitation is known to be difficult. The attack needs to be initiated within the local network. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not publicly available. 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 109610 (KB4103726: Windows Server 2012 May 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 91447 (Microsoft Windows Security Update May 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 (109610) and SecurityFocus (BID 104031†). See VDB-117441, VDB-117442, VDB-117444 and VDB-117450 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.1
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

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

NVD Base Score: 7.6
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 109610
Nessus Name: KB4103726: Windows Server 2012 May 2018 Security Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 52254
OpenVAS Name: Microsoft Windows Multiple Vulnerabilities (KB4103725)
OpenVAS File: 🔍
OpenVAS Family: 🔍

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 🔍
05/08/2018 +158 days 🔍
05/08/2018 +0 days 🔍
05/08/2018 +0 days 🔍
05/08/2018 +0 days 🔍
05/08/2018 +0 days 🔍
05/09/2018 +0 days 🔍
05/09/2018 +0 days 🔍
03/08/2023 +1764 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

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

CVE: CVE-2018-0959 (🔍)
GCVE (CVE): GCVE-0-2018-0959
GCVE (VulDB): GCVE-100-117443

OVAL: 🔍

SecurityFocus: 104031 - Microsoft Windows Hyper-V CVE-2018-0959 Remote Code Execution Vulnerability
SecurityTracker: 1040843

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

Entryinfo

Created: 05/09/2018 14:02
Updated: 03/08/2023 22:09
Changes: 05/09/2018 14:02 (86), 02/03/2020 08:49 (6), 03/08/2023 22:09 (5)
Complete: 🔍
Cache ID: 216:012:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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