Microsoft Windows 8.1/10/Server 2012 R2 Hyper-V Memory information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Microsoft Windows 8.1/10/Server 2012 R2. This impacts an unknown function of the component Hyper-V. The manipulation leads to information disclosure (Memory). This vulnerability is listed as CVE-2016-0090. The attack must be carried out locally. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows 8.1/10/Server 2012 R2 (Operating System). It has been rated as critical. This issue affects an unknown functionality of the component Hyper-V. The manipulation with an unknown input leads to a information disclosure vulnerability (Memory). Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

Hyper-V in Microsoft Windows 8.1, Windows Server 2012 R2, and Windows 10 allows guest OS users to obtain sensitive information from host OS memory via a crafted application, aka "Hyper-V Information Disclosure Vulnerability."

The weakness was presented 04/12/2016 with Microsoft as MS16-045 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. The identification of this vulnerability is CVE-2016-0090 since 12/04/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

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)).

Applying the patch MS16-045 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. 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 85921†) and Vulnerability Center (SBV-58119†). See VDB-82221 and VDB-82222 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: 7.1
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.1
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Name: Memory
Class: Information disclosure / Memory
CWE: CWE-200 / 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: 🔍
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Countermeasuresinfo

Recommended: Patch
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-2016-0090 (🔍)
GCVE (CVE): GCVE-0-2016-0090
GCVE (VulDB): GCVE-100-82223
SecurityFocus: 85921 - Microsoft Windows Hyper-V CVE-2016-0090 Information Disclosure Vulnerability
SecurityTracker: 1035538
Vulnerability Center: 58119 - [MS16-045] Microsoft Hyper-V Remote Information Disclosure 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 20:21
Changes: 04/13/2016 10:01 (75), 02/04/2019 12:54 (13), 07/13/2022 20:21 (3)
Complete: 🔍
Cache ID: 216:485:103

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