Microsoft Windows up to Server 2016 Win32k access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Microsoft Windows. Impacted is an unknown function of the component Win32k. The manipulation results in access control. This vulnerability is cataloged as CVE-2018-8164. The attack must be initiated from a local position. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows (Operating System). It has been classified as critical. Affected is an unknown function of the component Win32k. 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 05/08/2018. The weakness was shared 05/08/2018 by Richard Zhu with Zero Day Initiative (ZDI) as confirmed security update guide (Website). The advisory is available at portal.msrc.microsoft.com. The vendor cooperated in the coordination of the public release. This vulnerability is traded as CVE-2018-8164 since 03/14/2018. The exploitability is told to be difficult. Local access is required to approach this attack. The successful exploitation requires a authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 03/11/2023). This vulnerability is assigned to T1068 by the MITRE ATT&CK project. The advisory points out:

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

The vulnerability scanner Nessus provides a plugin with the ID 109610 (KB4103726: Windows Server 2012 May 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 91447 (Microsoft Windows Security Update May 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 (109610) and SecurityFocus (BID 104033†). The entries VDB-117441, VDB-117442, VDB-117443 and VDB-117444 are related to this item. 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: 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: 109610
Nessus Name: KB4103726: Windows Server 2012 May 2018 Security Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 52254
OpenVAS Name: Microsoft Windows Multiple Vulnerabilities (KB4103725)
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

03/14/2018 🔍
05/08/2018 +55 days 🔍
05/08/2018 +0 days 🔍
05/08/2018 +0 days 🔍
05/08/2018 +0 days 🔍
05/08/2018 +0 days 🔍
05/09/2018 +0 days 🔍
05/09/2018 +0 days 🔍
03/11/2023 +1767 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: portal.msrc.microsoft.com
Researcher: Richard Zhu
Organization: Zero Day Initiative (ZDI)
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2018-8164 (🔍)
GCVE (CVE): GCVE-0-2018-8164
GCVE (VulDB): GCVE-100-117474

OVAL: 🔍

SecurityFocus: 104033 - Microsoft Windows Kernel 'Win32k.sys' CVE-2018-8164 Local Privilege Escalation Vulnerability

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

Entryinfo

Created: 05/09/2018 14:39
Updated: 03/11/2023 08:55
Changes: 05/09/2018 14:39 (88), 02/03/2020 11:29 (7), 03/11/2023 08:55 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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