Microsoft Windows up to Server 2016 dxgkrnl.sys access control

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Microsoft Windows up to Server 2016. This affects an unknown part of the file dxgkrnl.sys. The manipulation results in access control. This vulnerability is cataloged as CVE-2017-0077. The attack must be initiated from a local position. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows up to Server 2016 (Operating System). It has been classified as critical. Affected is an unknown functionality of the file dxgkrnl.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 bug was discovered 05/09/2017. The weakness was shared 05/09/2017 with Qihoo 360 Vulcan Team as 4019215 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability is traded as CVE-2017-0077 since 09/09/2016. The attack needs to be approached locally. The successful exploitation needs a authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068. The advisory points out:

An elevation of privilege vulnerability exists when the Windows improperly handles objects in memory. In a local attack scenario, an attacker could exploit this vulnerability by running a specially crafted application to take control over the affected system. An attacker who successfully exploited this vulnerability could run processes in an elevated context. On systems with Windows 8.1\nor later installed, this vulnerability can lead to denial of service.

The vulnerability scanner Nessus provides a plugin with the ID 100055 (KB4016871: Windows 10 Version 1703 May 2017 Cumulative Update), 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 91369 (Microsoft Windows Security Update May 2017).

Applying the patch 4019215 is able to eliminate this problem. The bugfix is ready for download at catalog.update.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 (100055) and SecurityFocus (BID 98114†). The entries VDB-100990, VDB-100991, VDB-100992 and VDB-100993 are related to this item. 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: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 6.6
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 7.8
Vendor Vector (Microsoft): 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100055
Nessus Name: KB4016871: Windows 10 Version 1703 May 2017 Cumulative Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800218
OpenVAS Name: Microsoft Windows Multiple Vulnerabilities (KB4019474)
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: 4019215

Timelineinfo

09/09/2016 🔍
05/09/2017 +242 days 🔍
05/09/2017 +0 days 🔍
05/09/2017 +0 days 🔍
05/09/2017 +0 days 🔍
05/09/2017 +0 days 🔍
05/10/2017 +1 days 🔍
05/12/2017 +2 days 🔍
12/22/2020 +1320 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: 4019215
Researcher: pgboy, zhong_sf
Organization: Qihoo 360 Vulcan Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-0077 (🔍)
GCVE (CVE): GCVE-0-2017-0077
GCVE (VulDB): GCVE-100-101004

OVAL: 🔍

SecurityFocus: 98114 - Microsoft DirectX Graphics Kernel CVE-2017-0077 Local Privilege Escalation Vulnerability
OSVDB: - CVE-2017-0077 - Microsoft - Windows - Privilege Escalation Issue
SecurityTracker: 1038454

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

Entryinfo

Created: 05/10/2017 12:13
Updated: 12/22/2020 17:36
Changes: 05/10/2017 12:13 (90), 09/25/2020 07:47 (7), 12/22/2020 17:31 (4), 12/22/2020 17:36 (1)
Complete: 🔍
Cache ID: 216::103

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