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Microsoft ASP.NET Core Security Feature Bypass Vulnerability July18

Information

Severity

Severity

Medium

Family

Family

Windows

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

5 years ago

Modified

Modified

5 years ago

Summary

This host is missing an important security update according to Microsoft advisory (CVE-2018-8171).

Insight

Insight

The flaw exists because system does not properly validate the number of incorrect login attempts.

Affected Software

Affected Software

Any ASP.NET Core based application that uses 'Microsoft.AspNetCore.Identity' with versions 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5. 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.1.0, 2.1.1.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Upgrade 'Microsoft.AspNetCore.Identity' package versions to 1.0.6 or 1.1.6 or 2.0.4 or 2.1.2 or later. Please see the references for more info.

Common Vulnerabilities and Exposures (CVE)