Microsoft Windows Kernel API access control

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Microsoft Windows 7 SP1/Server 2008 R2 SP1/Server 2008 SP2/Vista SP2. Affected by this issue is some unknown functionality of the component Kernel API. Executing a manipulation can lead to access control. The identification of this vulnerability is CVE-2016-7216. The attack can only be executed locally. Furthermore, there is an exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability has been found in Microsoft Windows 7 SP1/Server 2008 R2 SP1/Server 2008 SP2/Vista SP2 (Operating System) and classified as critical. This vulnerability affects some unknown functionality of the component Kernel API. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The kernel API in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 mishandles permissions, which allows local users to gain privileges via a crafted application, aka "Windows Kernel Elevation of Privilege Vulnerability."

The weakness was shared 11/08/2016 by Mateusz Jurczyk (rshaw) with Google Project Zero as MS16-139 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability was named CVE-2016-7216 since 09/09/2016. The exploitation appears to be easy. The attack needs to be approached locally. A single authentication is required for exploitation. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 94640 (MS16-139: Security Update for Windows Kernel (3199720)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91303 (Microsoft Windows Kernel Elevation of Privilege Vulnerability (MS16-139)).

Applying the patch MS16-139 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 (40766), Tenable (94640) and SecurityFocus (BID 94048†). The entries VDB-93425, VDB-93420, VDB-93421 and VDB-93422 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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  • end of life (old version)

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.3

VulDB Base Score: 7.8
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
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: 94640
Nessus Name: MS16-139: Security Update for Windows Kernel (3199720)
Nessus File: 🔍
Nessus Family: 🔍

OpenVAS ID: 802074
OpenVAS Name: Microsoft Windows Kernel Elevation of Privilege Vulnerability (3199720)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS16-139

Timelineinfo

09/09/2016 🔍
11/08/2016 +60 days 🔍
11/08/2016 +0 days 🔍
11/08/2016 +0 days 🔍
11/09/2016 +1 days 🔍
11/10/2016 +1 days 🔍
09/23/2024 +2874 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS16-139
Researcher: Mateusz Jurczyk (rshaw)
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2016-7216 (🔍)
GCVE (CVE): GCVE-0-2016-7216
GCVE (VulDB): GCVE-100-93424

OVAL: 🔍

SecurityFocus: 94048 - Microsoft Windows Kernel CVE-2016-7216 Local Privilege Escalation Vulnerability
SecurityTracker: 1037253

scip Labs: https://www.scip.ch/en/?labs.20140213
See also: 🔍

Entryinfo

Created: 11/09/2016 10:53
Updated: 09/23/2024 15:45
Changes: 11/09/2016 10:53 (69), 04/07/2017 13:17 (15), 09/30/2022 09:42 (3), 09/23/2024 15:45 (16)
Complete: 🔍
Cache ID: 216::103

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