Microsoft Windows up to Server 2019 Audio Service information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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3.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Microsoft Windows up to Server 2019. The affected element is an unknown function of the component Audio Service. The manipulation results in information disclosure. This vulnerability is reported as CVE-2018-8454. The attack requires a local approach. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Microsoft Windows up to Server 2019 (Operating System). Affected is an unknown functionality of the component Audio Service. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

An information disclosure vulnerability exists when Windows Audio Service fails to properly handle objects in memory, aka "Windows Audio Service Information Disclosure Vulnerability." This affects Windows 10 Servers, Windows 10, Windows Server 2019.

The bug was discovered 11/13/2018. The weakness was disclosed 11/13/2018 by Alex with CrowdStrike 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 traded as CVE-2018-8454 since 03/14/2018. The attack needs to be approached locally. The successful exploitation needs a authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592. The advisory points out:

An information disclosure vulnerability exists when Windows Audio Service fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could potentially disclose memory contents of a elevated process.

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 105799†). 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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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.8
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 2.5
Vendor Vector (Microsoft): 🔍

NVD Base Score: 5.5
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: 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
Researcher: Alex
Organization: CrowdStrike
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2018-8454 (🔍)
GCVE (CVE): GCVE-0-2018-8454
GCVE (VulDB): GCVE-100-126792

OVAL: 🔍

SecurityFocus: 105799 - Microsoft Windows Audio Service CVE-2018-8454 Local Information Disclosure Vulnerability
SecurityTracker: 1042122

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

Entryinfo

Created: 11/14/2018 10:13
Updated: 07/15/2024 16:26
Changes: 11/14/2018 10:13 (85), 04/12/2020 16:23 (6), 06/06/2023 11:28 (4), 07/15/2024 16:26 (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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