Microsoft Windows up to Server 2019 Diagnostics Hub input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Microsoft Windows up to Server 2019. This impacts an unknown function of the component Diagnostics Hub. Performing a manipulation results in input validation. This vulnerability is reported as CVE-2020-1418. The attack requires a local approach. No exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Microsoft Windows up to Server 2019 (Operating System). It has been classified as critical. This affects some unknown processing of the component Diagnostics Hub. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An elevation of privilege vulnerability exists when the Windows Diagnostics Execution Service fails to properly sanitize input, leading to an unsecure library-loading behavior, aka 'Windows Diagnostics Hub Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1393.

The weakness was disclosed 07/14/2020 as confirmed security update guide (Website). It is possible to read the advisory at portal.msrc.microsoft.com. The public release has been coordinated in cooperation with Microsoft. This vulnerability is uniquely identified as CVE-2020-1418. Attacking locally is a requirement. Required 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 $0-$5k at the moment (estimation calculated on 07/15/2020). The advisory points out:

An elevation of privilege vulnerability exists when the Windows Diagnostics Execution Service fails to properly sanitize input, leading to an unsecure library-loading behavior. An attacker who successfully exploited this vulnerability could run arbitrary code with elevated system privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

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

The entries VDB-157951, VDB-157950, VDB-157949 and VDB-157948 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 7.8
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: Input validation
CWE: CWE-20
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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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

11/04/2019 🔍
07/14/2020 +253 days 🔍
07/14/2020 +0 days 🔍
07/15/2020 +1 days 🔍
10/30/2020 +107 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: portal.msrc.microsoft.com
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2020-1418 (🔍)
GCVE (CVE): GCVE-0-2020-1418
GCVE (VulDB): GCVE-100-157947
scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔍

Entryinfo

Created: 07/15/2020 10:26
Updated: 10/30/2020 08:34
Changes: 07/15/2020 10:26 (54), 07/15/2020 10:31 (17), 10/30/2020 08:34 (1)
Complete: 🔍
Cache ID: 216::103

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

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