Microsoft Windows 10 1809/Server 2019 Physical Installation access control

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Microsoft Windows 10 1809/Server 2019. Affected is an unknown function of the component Physical Installation. Such manipulation leads to access control. This vulnerability is uniquely identified as CVE-2018-8592. The attack can be executed directly on the physical device. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows 10 1809/Server 2019 (Operating System) and classified as critical. Affected by this issue is an unknown part of the component Physical Installation. 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. CVE summarizes:

An elevation of privilege vulnerability exists in Windows 10 version 1809 when installed from physical media (USB, DVD, etc, aka "Windows Elevation Of Privilege Vulnerability." This affects Windows 10, Windows Server 2019.

The bug was discovered 11/13/2018. The weakness was disclosed 11/13/2018 with Microsoft as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. The public release has been coordinated in cooperation with the vendor. This vulnerability is handled as CVE-2018-8592 since 03/14/2018. The exploitation is known to be difficult. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068. The advisory points out:

An elevation of privilege vulnerability exists in Windows 10 version 1809 when installed from physical media (USB, DVD, etc.) with the “keep nothing” option selected during installation. Successful exploitation of the vulnerability could allow an attacker to gain local access to an affected system.

The vulnerability scanner Nessus provides a plugin with the ID 118912 (KB4465664 BitLocker Security Feature Bypass Vulnerability), 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 91481 (Microsoft Windows Security Update November 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 (118912) and SecurityFocus (BID 105809†). The entries VDB-126703, VDB-126706, VDB-126729 and VDB-126733 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.4
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 6.4
Vendor Vector (Microsoft): 🔍

NVD Base Score: 6.4
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: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 118912
Nessus Name: KB4465664 BitLocker Security Feature Bypass Vulnerability
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 🔍
11/13/2018 +244 days 🔍
11/13/2018 +0 days 🔍
11/13/2018 +0 days 🔍
11/13/2018 +0 days 🔍
11/13/2018 +0 days 🔍
11/13/2018 +0 days 🔍
11/14/2018 +1 days 🔍
07/15/2024 +2070 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: portal.msrc.microsoft.com
Organization: Microsoft
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2018-8592 (🔍)
GCVE (CVE): GCVE-0-2018-8592
GCVE (VulDB): GCVE-100-126752
SecurityFocus: 105809 - Microsoft Windows CVE-2018-8592 Local Privilege Escalation Vulnerability
SecurityTracker: 1042126

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

Entryinfo

Created: 11/14/2018 09:55
Updated: 07/15/2024 15:30
Changes: 11/14/2018 09:55 (84), 04/12/2020 11:17 (6), 06/06/2023 09:12 (4), 07/15/2024 15:30 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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