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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Current Exploit Price (≈)
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CTI Interest Score
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5.8$0-$5k0.00

A vulnerability classified as problematic was found in Microsoft Windows 8.1/10/RT 8.1/Server 2012 R2/Server 2016 (Operating System). Affected by this vulnerability is some unknown processing of the component VHD Driver. The manipulation with an unknown input leads to a access control vulnerability (File). The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 11/08/2016 by James Forshaw with Google Project Zero as MS16-138 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. This vulnerability is known as CVE-2016-7224 since 09/09/2016. The exploitation appears to be easy. An attack has to be approached locally. Required for exploitation is a single authentication. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. 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 databases at Exploit-DB (40765), Tenable (94639) and SecurityFocus (BID 94017†). Entries connected to this vulnerability are available at VDB-93420, VDB-93422 and VDB-93423.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 5.8

VulDB Base Score: 6.1
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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: 🔍

Exploit-DB: 🔍

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
Researcher: James Forshaw
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2016-7224 (🔍)
OVAL: 🔍

SecurityFocus: 94017 - Microsoft Windows CVE-2016-7224 Local Privilege Escalation Vulnerability
SecurityTracker: 1037248

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

Entryinfo

Created: 11/09/2016 10:50 AM
Updated: 09/30/2022 09:35 AM
Changes: 11/09/2016 10:50 AM (71), 05/28/2019 12:12 AM (16), 09/30/2022 09:35 AM (4)
Complete: 🔍
Cache ID: 18:9AD:40

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