Microsoft Windows Defender privileges management

CVSS Meta Temp Score
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CTI Interest Score
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6.3$5k-$25k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Microsoft Windows Defender, Security Essentials, System Center Endpoint Protection and Forefront Endpoint Protection. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in privileges management. This vulnerability is identified as CVE-2020-1170. The attack can be initiated remotely. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Microsoft Windows Defender, Security Essentials, System Center Endpoint Protection and Forefront Endpoint Protection (Operating System) (the affected version is unknown). This affects an unknown code. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on integrity, and availability. The summary by CVE is:

An elevation of privilege vulnerability exists in Windows Defender that leads arbitrary file deletion on the system.To exploit the vulnerability, an attacker would first have to log on to the system, aka 'Microsoft Windows Defender Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1163.

The weakness was released 06/09/2020 as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. The public release was coordinated with Microsoft. This vulnerability is uniquely identified as CVE-2020-1170. It is possible to initiate the attack remotely. A authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/10/2020). MITRE ATT&CK project uses the attack technique T1068 for this issue. The advisory points out:

An elevation of privilege vulnerability exists in Windows Defender that leads arbitrary file deletion on the system.

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

Entry connected to this vulnerability is available at VDB-156320. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Privileges management
CWE: CWE-269 / CWE-266
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

11/04/2019 🔍
06/09/2020 +218 days 🔍
06/09/2020 +0 days 🔍
06/10/2020 +1 days 🔍
10/23/2020 +135 days 🔍

Sourcesinfo

Vendor: microsoft.com

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

CVE: CVE-2020-1170 (🔍)
GCVE (CVE): GCVE-0-2020-1170
GCVE (VulDB): GCVE-100-156321
See also: 🔍

Entryinfo

Created: 06/10/2020 06:22
Updated: 10/23/2020 06:24
Changes: 06/10/2020 06:22 (44), 06/10/2020 06:27 (17), 10/23/2020 06:24 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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