Microsoft Windows 8.1/10/RT 8.1/Server 2012 R2/Server 2016 VHD Driver File access control

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

A vulnerability classified as problematic has been found in Microsoft Windows 8.1/10/RT 8.1/Server 2012 R2/Server 2016 (Operating System). Affected is an unknown code block of the component VHD Driver. The manipulation with an unknown input leads to a access control vulnerability (File). 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 weakness was published 11/08/2016 with Microsoft as MS16-138 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability is traded as CVE-2016-7223 since 09/09/2016. The exploitability is told to be easy. The attack needs to be approached locally. The requirement for exploitation is a authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 94639 (MS16-138: Security Update for Microsoft Virtual Hard Disk Driver (3199647)), 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 91296 (Microsoft Windows Security Update for Microsoft Virtual Hard Disk Driver (MS16-138)).

Applying the patch MS16-138 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 vulnerability database at Tenable (94639). Similar entries are available at 93421, 93422 and 93423.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.1
VulDB Temp Score: 5.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
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

Name: File
Class: Access control / File
CWE: CWE-284 / CWE-266
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 94639
Nessus Name: MS16-138: Security Update for Microsoft Virtual Hard Disk Driver (3199647)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802074
OpenVAS Name: Microsoft Virtual Hard Disk Driver Multiple Vulnerabilities (3199647)
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: 🔍

Patch: MS16-138

Timelineinfo

09/09/2016 🔍
11/08/2016 +60 days 🔍
11/08/2016 +0 days 🔍
11/08/2016 +0 days 🔍
11/08/2016 +0 days 🔍
11/09/2016 +1 days 🔍
11/10/2016 +1 days 🔍
09/30/2022 +2150 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS16-138
Organization: Microsoft
Status: Confirmed

CVE: CVE-2016-7223 (🔍)
OVAL: 🔍

SecurityTracker: 1037248
SecurityFocus: 94003 - Microsoft Windows CVE-2016-7223 Local Privilege Escalation Vulnerability

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

Entryinfo

Created: 11/09/2016 10:50
Updated: 09/30/2022 09:31
Changes: 11/09/2016 10:50 (70), 05/28/2019 00:10 (12), 09/30/2022 09:31 (4)
Complete: 🔍

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