Microsoft ASP.NET Security Feature improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Microsoft ASP.NET and classified as critical. Affected by this issue is some unknown functionality of the component Security Feature. Performing a manipulation results in improper authentication. This vulnerability is cataloged as CVE-2018-8171. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft ASP.NET. This affects an unknown part of the component Security Feature. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 07/10/2018. The weakness was shared 07/10/2018 by Martin as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. The vendor cooperated in the coordination of the public release. This vulnerability is uniquely identified as CVE-2018-8171 since 03/14/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The advisory points out:

A Security Feature Bypass vulnerability exists in ASP.NET when the number of incorrect login attempts is not validated.

The vulnerability scanner Nessus provides a plugin with the ID 111070 (Security Updates for Microsoft .NET core and ASP.NET (Bypass) (July 2018)), 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.

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 (111070) and SecurityFocus (BID 104659†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Microsoft ASP.NET Core 1.0/1.1/2.0
  • Microsoft ASP.NET MVC 5.2
  • Microsoft ASP.NET Web Pages 3.2.3

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 111070
Nessus Name: Security Updates for Microsoft .NET core and ASP.NET (Bypass) (July 2018)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/14/2018 🔍
07/10/2018 +117 days 🔍
07/10/2018 +0 days 🔍
07/10/2018 +0 days 🔍
07/10/2018 +0 days 🔍
07/10/2018 +0 days 🔍
07/11/2018 +1 days 🔍
07/13/2018 +2 days 🔍
04/05/2023 +1727 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Researcher: Martin
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2018-8171 (🔍)
GCVE (CVE): GCVE-0-2018-8171
GCVE (VulDB): GCVE-100-121089
SecurityFocus: 104659 - Microsoft ASP.NET Core CVE-2018-8171 Security Bypass Vulnerability
SecurityTracker: 1041267

Entryinfo

Created: 07/11/2018 09:47
Updated: 04/05/2023 15:07
Changes: 07/11/2018 09:47 (72), 03/01/2020 15:08 (5), 04/05/2023 15:07 (5)
Complete: 🔍
Cache ID: 216::103

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

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