Microsoft Windows up to Server 2016 DirectX Graphics access control

CVSS Meta Temp Score
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CTI Interest Score
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7.7$5k-$25k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows up to Server 2016. It has been classified as critical. This affects an unknown part of the component DirectX Graphics. Performing a manipulation results in access control. This vulnerability was named CVE-2018-8401. The attack may be initiated remotely. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Microsoft Windows up to Server 2016 (Operating System). It has been classified as critical. This affects an unknown code block of the component DirectX Graphics. 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 08/14/2018. The weakness was presented 08/14/2018 with Zero Day Initiative as confirmed security update guide (Website). It is possible to read the advisory at portal.msrc.microsoft.com. The public release was coordinated in cooperation with Microsoft. This vulnerability is uniquely identified as CVE-2018-8401 since 03/14/2018. It is possible to initiate the attack remotely. The requirement for exploitation is a authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/02/2023). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK. The advisory points out:

An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context.

The vulnerability scanner Nessus provides a plugin with the ID 111685 (KB4343887: Windows 10 Version 1607 and Windows Server 2016 August 2018 Security Update (Foreshadow)), 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 91465 (Microsoft Windows Security Update August 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 (111685) and SecurityFocus (BID 105006†). See VDB-122825, VDB-122827, VDB-122828 and VDB-122829 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
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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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: 111685
Nessus Name: KB4343887: Windows 10 Version 1607 and Windows Server 2016 August 2018 Security Update (Foreshadow)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

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 🔍
08/14/2018 +152 days 🔍
08/14/2018 +0 days 🔍
08/14/2018 +0 days 🔍
08/14/2018 +0 days 🔍
08/14/2018 +0 days 🔍
08/14/2018 +0 days 🔍
08/15/2018 +0 days 🔍
05/02/2023 +1721 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: portal.msrc.microsoft.com
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2018-8401 (🔍)
GCVE (CVE): GCVE-0-2018-8401
GCVE (VulDB): GCVE-100-122883

OVAL: 🔍

SecurityFocus: 105006 - Microsoft Windows DirectX Graphics Kernel CVE-2018-8401 Local Privilege Escalation Vulnerability
SecurityTracker: 1041461

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

Entryinfo

Created: 08/14/2018 21:57
Updated: 05/02/2023 08:34
Changes: 08/14/2018 21:57 (85), 03/15/2020 15:49 (6), 05/02/2023 08:34 (5)
Complete: 🔍
Cache ID: 216::103

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

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