Microsoft Windows net use improper authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.2	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Microsoft Windows. Affected is an unknown function of the component net use Handler. This manipulation causes improper authentication. The attack may be initiated remotely. In addition, an exploit is available. It is advisable to modify the configuration settings.

Detailsinfo

A vulnerability was found in Microsoft Windows (Operating System) (affected version unknown). It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component net use Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 04/05/2020 by John Page (Website). The advisory is shared at hyp3rlinx.altervista.org. The exploitation appears to be difficult. The attack can be launched remotely. The successful exploitation needs a single authentication. Technical details are unknown but a public exploit is available.

After immediately, there has been an exploit disclosed. It is possible to download the exploit at hyp3rlinx.altervista.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 37 days. During that time the estimated underground price was around $25k-$100k.

It is possible to mitigate the problem by applying the configuration setting .

See VDB-159436 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Operating System

Vendor

Microsoft

Name

Windows

License

commercial

Website

Vendor: https://www.microsoft.com/
Product: https://www.microsoft.com/en-us/windows

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.2

VulDB Base Score: 5.0
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Config
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

02/28/2020 🔍
04/05/2020 +37 days 🔍
04/05/2020 +0 days 🔍
08/10/2020 +127 days 🔍
08/10/2020 +0 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: hyp3rlinx.altervista.org
Researcher: John Page
Status: Not defined

GCVE (VulDB): GCVE-100-159433
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/10/2020 11:19
Updated: 08/10/2020 11:24
Changes: 08/10/2020 11:19 (45), 08/10/2020 11:24 (2)
Complete: 🔍
Submitter: hyp3rlinx
Cache ID: 216::103

Submitinfo

Accepted

Submit #161: Microsoft Windows "net use" Logon Command Insufficient Password Prompt (by hyp3rlinx)

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