Microsoft Windows up to Server 2016 Kernel access control

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Microsoft Windows 10 1607/10 1703/10 1709/Server 1709/Server 2016. Affected is an unknown function of the component Kernel. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2018-0963. Local access is required to approach this attack. No exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Microsoft Windows 10 1607/10 1703/10 1709/Server 1709/Server 2016 (Operating System). It has been rated as critical. This issue affects some unknown functionality of the component Kernel. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory, aka "Windows Kernel Elevation of Privilege Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.

The bug was discovered 04/10/2018. The weakness was disclosed 04/10/2018 with Fortinet's FortiGuard Labs as confirmed security update guide (Website). It is possible to read the advisory at portal.msrc.microsoft.com. The identification of this vulnerability is CVE-2018-0963 since 12/01/2017. The exploitation is known to be difficult. Attacking locally is a requirement. A simple authentication is required for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/09/2021). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK. The advisory points out:

An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions.

The vulnerability scanner Nessus provides a plugin with the ID 108960 (KB4093107: Windows 10 Version 1703 April 2018 Security 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 91441 (Microsoft Windows Security Update April 2018).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (108960) and SecurityFocus (BID 103647†). The entries VDB-115991, VDB-115992, VDB-115996 and VDB-115998 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.0
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 7.0
Vendor Vector (Microsoft): 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: 108960
Nessus Name: KB4093107: Windows 10 Version 1703 April 2018 Security Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 860874
OpenVAS Name: Microsoft Windows Multiple Vulnerabilities (KB4093107)
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: 🔍

Timelineinfo

12/01/2017 🔍
04/10/2018 +130 days 🔍
04/10/2018 +0 days 🔍
04/10/2018 +0 days 🔍
04/10/2018 +0 days 🔍
04/10/2018 +0 days 🔍
04/11/2018 +0 days 🔍
04/11/2018 +0 days 🔍
02/09/2021 +1035 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: portal.msrc.microsoft.com
Researcher: Honggang Ren
Organization: Fortinet's FortiGuard Labs
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-0963 (🔍)
GCVE (CVE): GCVE-0-2018-0963
GCVE (VulDB): GCVE-100-116027

OVAL: 🔍

SecurityFocus: 103647 - Microsoft Windows Kernel CVE-2018-0963 Local Privilege Escalation Vulnerability
SecurityTracker: 1040657

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

Entryinfo

Created: 04/11/2018 14:48
Updated: 02/09/2021 13:56
Changes: 04/11/2018 14:48 (87), 01/23/2020 21:29 (6), 02/09/2021 13:52 (3), 02/09/2021 13:56 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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