Microsoft Windows 8.1/10/Server 2012/Server 2012 R2 Hyper-V access control

CVSS Meta Temp Score
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CTI Interest Score
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9.1$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in Microsoft Windows 8.1/10/Server 2012/Server 2012 R2. The impacted element is an unknown function of the component Hyper-V. Performing a manipulation results in access control. This vulnerability is identified as CVE-2016-0088. The attack is only possible with local access. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Microsoft Windows 8.1/10/Server 2012/Server 2012 R2 (Operating System). It has been classified as critical. This affects some unknown processing of the component Hyper-V. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Hyper-V in Microsoft Windows 8.1, Windows Server 2012 Gold and R2, and Windows 10 allows guest OS users to execute arbitrary code on the host OS via a crafted application, aka "Hyper-V Remote Code Execution Vulnerability."

The weakness was released 04/12/2016 with Microsoft as MS16-045 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. This vulnerability is uniquely identified as CVE-2016-0088 since 12/04/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/13/2022). MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 90438 (MS16-045: Security Update for Windows Hyper-V (3143118)), 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 91200 (Microsoft Windows Security Update for Hyper-V (MS16-045)).

Upgrading eliminates this vulnerability. Applying the patch MS16-045 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (90438), SecurityFocus (BID 85915†) and Vulnerability Center (SBV-58117†). Entries connected to this vulnerability are available at VDB-82222 and VDB-82223. 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

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 9.1

VulDB Base Score: 9.3
VulDB Temp Score: 8.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.3
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: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 90438
Nessus Name: MS16-045: Security Update for Windows Hyper-V (3143118)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802074
OpenVAS Name: Microsoft Windows Hyper-V Multiple Vulnerabilities (3143118)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Patch: MS16-045

Timelineinfo

12/04/2015 🔍
04/12/2016 +129 days 🔍
04/12/2016 +0 days 🔍
04/12/2016 +0 days 🔍
04/12/2016 +0 days 🔍
04/12/2016 +0 days 🔍
04/12/2016 +0 days 🔍
04/13/2016 +1 days 🔍
04/13/2016 +0 days 🔍
07/13/2022 +2282 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS16-045
Organization: Microsoft
Status: Confirmed

CVE: CVE-2016-0088 (🔍)
GCVE (CVE): GCVE-0-2016-0088
GCVE (VulDB): GCVE-100-82221
SecurityFocus: 85915 - Microsoft Windows Hyper-V CVE-2016-0088 Remote Code Execution Vulnerability
SecurityTracker: 1035538
Vulnerability Center: 58117 - [MS16-045] Microsoft Hyper-V Remote Code Execution via a Crafted Application, Medium

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

Entryinfo

Created: 04/13/2016 10:01
Updated: 07/13/2022 20:06
Changes: 04/13/2016 10:01 (75), 05/03/2019 08:04 (13), 07/13/2022 20:06 (3)
Complete: 🔍
Cache ID: 216::103

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