Microsoft Windows up to Server 2019 Media Service privilege escalation – Digitalmunition




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Published on January 16th, 2020 📆 | 2945 Views ⚑

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Microsoft Windows up to Server 2019 Media Service privilege escalation

CVSS Meta Temp Score

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Current Exploit Price (≈)

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CTI Interest Score

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6.7$5k-$25k4.30

A vulnerability was found in Microsoft Windows (Operating System). It has been rated as critical. Affected by this issue is an unknown function of the component Media Service. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-269. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 01/14/2020 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-2020-0641. The attack may be launched remotely. A single authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 01/15/2020). The advisory points out:

An elevation of privilege vulnerability exists in Windows Media Service that allows file creation in arbitrary locations.

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

The entries 148654, 148653, 148651 and 148650 are pretty similar.

Type

Vendor

Name

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 7.8
Vendor Vector (Microsoft): 🔒

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Privilege escalation (CWE-269)
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: Patch
Status: 🔍

Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒

01/14/2020 Advisory disclosed
01/14/2020 +0 days Countermeasure disclosed
01/15/2020 +1 days VulDB entry created
01/15/2020 +0 days VulDB last updateVendor: microsoft.com
Product: microsoft.com

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

CVE: CVE-2020-0641 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔒

Created: 01/15/2020 07:38 AM
Complete: 🔍

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