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.NET Core Domain Spoofing Vulnerability (February 2019)
Information
Severity
Severity
Medium
Family
Family
Windows
CVSSv2 Base
CVSSv2 Base
4.3
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:M/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 installed with 'System.Private.Uri' or 'Microsoft.NETCore.App' package and is prone to domain spoofing vulnerability.
Insight
Insight
The flaw exists due to an error in .Net Framework API's in the way they parse URL's.
Affected Software
Affected Software
System.Private.Uri package with version 4.3.0 and Microsoft.NETCore.App package with versions 2.1.x prior to 2.1.8, 2.2.x prior to 2.2.2
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Upgrade toSystem.Private.Uri package to version 4.3.1 or later. Upgrade Microsoft.NETCore.App package to versions 2.1.8 or 2.2.2 or later.