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

CVSS Meta Temp Score
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability described as critical has been identified in Microsoft Windows Vista SP2 up to Server 2012 R2. This issue affects some unknown processing in the library win32k.sys. The manipulation results in access control. This vulnerability is known as CVE-2016-3270. It is possible to launch the attack remotely. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows Vista SP2 up to Server 2012 R2 (Operating System). It has been classified as critical. Affected is an unknown code block 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 published 10/11/2016 with Qihoo 360 Vulcan Team as MS16-120 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability is traded as CVE-2016-3270 since 03/15/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 09/23/2022). The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 94017 (MS16-120: Security Update for Microsoft Graphics Component (3192884)), 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 91287 (Microsoft Windows Graphics Component Security Update (MS16-120)).

Applying the patch MS16-120 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 (94017) and SecurityFocus (BID 93403†). Similar entries are available at VDB-92577, VDB-92578, VDB-92579 and VDB-92581. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

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: 94017
Nessus Name: MS16-120: Security Update for Microsoft Graphics Component (3192884)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 55754
OpenVAS Name: Microsoft Windows Multiple Vulnerabilities (3192884)
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: MS16-120

Timelineinfo

03/15/2016 🔍
10/11/2016 +210 days 🔍
10/11/2016 +0 days 🔍
10/11/2016 +0 days 🔍
10/12/2016 +1 days 🔍
10/13/2016 +1 days 🔍
09/23/2022 +2171 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS16-120
Organization: Qihoo 360 Vulcan Team
Status: Confirmed

CVE: CVE-2016-3270 (🔍)
GCVE (CVE): GCVE-0-2016-3270
GCVE (VulDB): GCVE-100-92580
SecurityFocus: 93403 - Microsoft Windows Graphics Component CVE-2016-3270 Local Privilege Escalation Vulnerability
SecurityTracker: 1036988

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

Entryinfo

Created: 10/12/2016 10:37
Updated: 09/23/2022 09:21
Changes: 10/12/2016 10:37 (66), 04/07/2017 13:26 (13), 09/23/2022 09:20 (4), 09/23/2022 09:21 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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