Microsoft Windows Vista SP2 up to Server 2016 win32k.sys access control
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.6 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in Microsoft Windows. The impacted element is an unknown function in the library win32k.sys. The manipulation results in access control. This vulnerability was named CVE-2016-7215. The attack needs to be approached locally. There is no available exploit. Applying a patch is advised to resolve this issue.
Details
A vulnerability was found in Microsoft Windows (Operating System). It has been classified as critical. Affected is an unknown function in the library win32k.sys. 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 presented 11/08/2016 with Zero Day Initiative (ZDI) as MS16-135 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability is traded as CVE-2016-7215 since 09/09/2016. The exploitability is told to be easy. The attack needs to be approached locally. The successful exploitation requires a authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/30/2022). The MITRE ATT&CK project declares the attack technique as T1068.
The vulnerability scanner Nessus provides a plugin with the ID 94636 (MS16-135: Security Update for Windows Kernel-Mode Drivers (3199135)), 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 91294 (Microsoft Security Update for Windows Kernel-Mode Drivers (MS16-135)).
Applying the patch MS16-135 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 (94636) and SecurityFocus (BID 94000†). See VDB-93407, VDB-93409, VDB-93410 and VDB-93411 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.microsoft.com/
- Product: https://www.microsoft.com/en-us/windows
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.8VulDB Meta Temp Score: 7.6
VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Access controlCWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 94636
Nessus Name: MS16-135: Security Update for Windows Kernel-Mode Drivers (3199135)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 802730
OpenVAS Name: Microsoft Windows Kernel-Mode Drivers Multiple Vulnerabilities (3199135)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: MS16-135
Timeline
09/09/2016 🔍11/08/2016 🔍
11/08/2016 🔍
11/08/2016 🔍
11/09/2016 🔍
11/10/2016 🔍
09/30/2022 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: MS16-135
Organization: Zero Day Initiative (ZDI)
Status: Confirmed
CVE: CVE-2016-7215 (🔍)
GCVE (CVE): GCVE-0-2016-7215
GCVE (VulDB): GCVE-100-93408
OVAL: 🔍
SecurityFocus: 94000 - Microsoft Windows Kernel 'Win32k.sys' CVE-2016-7215 Local Privilege Escalation Vulnerability
SecurityTracker: 1037251
scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔍
Entry
Created: 11/09/2016 10:36Updated: 09/30/2022 08:43
Changes: 11/09/2016 10:36 (69), 04/07/2017 13:19 (12), 09/30/2022 08:41 (4), 09/30/2022 08:43 (1)
Complete: 🔍
Cache ID: 216::103
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