Microsoft Windows Vista SP2 up to Server 2012 R2 Kernel Mode Driver win32k.sys access control

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CTI Interest Score
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8.2$5k-$25k0.00

Summaryinfo

A vulnerability described as critical has been identified in Microsoft Windows Vista SP2 up to Server 2012 R2. This vulnerability affects unknown code in the library win32k.sys of the component Kernel Mode Driver. The manipulation results in access control. This vulnerability is reported as CVE-2016-0095. The attack can be launched remotely. No exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft Windows Vista SP2 up to Server 2012 R2 (Operating System). Affected is an unknown code block in the library win32k.sys of the component Kernel Mode Driver. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 03/08/2016 with Zero Day Initiative as MS16-034 as confirmed bulletin (Technet). The advisory is available at technet.microsoft.com. This vulnerability is traded as CVE-2016-0095 since 12/04/2015. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 89756 (MS16-034: Security Update for Windows Kernel-Mode Drivers to Address Elevation of Privilege (3143145)), 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 91185 (Microsoft Windows Kernel-Mode Drivers Elevation of Privilege Vulnerability (MS16-034)).

Applying the patch MS16-034 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 (89756), SecurityFocus (BID 84072†) and Vulnerability Center (SBV-57110†). Further details are available at zdnet.com. The entries VDB-81265, VDB-81266, VDB-81267 and VDB-81268 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.2

VulDB Base Score: 9.0
VulDB Temp Score: 8.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
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: 89756
Nessus Name: MS16-034: Security Update for Windows Kernel-Mode Drivers to Address Elevation of Privilege (3143145)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802074
OpenVAS Name: Microsoft Kernel-Mode Drivers Privilege Elevation Vulnerabilities (3143145)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
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Patch: MS16-034

Timelineinfo

12/04/2015 🔍
03/08/2016 +95 days 🔍
03/08/2016 +0 days 🔍
03/08/2016 +0 days 🔍
03/08/2016 +0 days 🔍
03/09/2016 +1 days 🔍
03/09/2016 +0 days 🔍
03/09/2016 +0 days 🔍
07/09/2022 +2313 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS16-034
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2016-0095 (🔍)
GCVE (CVE): GCVE-0-2016-0095
GCVE (VulDB): GCVE-100-81282
SecurityFocus: 84072 - Microsoft Windows Kernel 'Win32k.sys' CVE-2016-0095 Local Privilege Escalation Vulnerability
SecurityTracker: 1035212
Vulnerability Center: 57110 - [MS16-034] Microsoft Windows Kernel-Mode Drivers Remote Code Execution Vulnerability - CVE-2016-0095, High

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

Entryinfo

Created: 03/09/2016 11:20
Updated: 07/09/2022 22:25
Changes: 03/09/2016 11:20 (69), 04/07/2017 13:47 (18), 07/09/2022 22:12 (5), 07/09/2022 22:25 (1)
Complete: 🔍
Cache ID: 216::103

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