HIGH7.5
GHSA-6xh7-4v2w-36q6
ASP.NET Core fails to properly validate web requests
Quick fix
GHSA-6xh7-4v2w-36q6 — Microsoft.AspNetCore.Mvc: upgrade to the fixed version with the command below.
dotnet add package Microsoft.AspNetCore.Mvc --version 1.0.4Details
A denial of service vulnerability exists when the ASP.NET Core fails to properly validate web requests. NOTE: Microsoft has not commented on third-party claims that the issue is that the TextEncoder.EncodeCore function in the System.Text.Encodings.Web package in ASP.NET Core Mvc before 1.0.4 and 1.1.x before 1.1.3 allows remote attackers to cause a denial of service by leveraging failure to properly calculate the length of 4-byte characters in the Unicode Non-Character range.
Are you affected?
Enter the version of the package you're using.
Affected packages
NuGet/Microsoft.AspNetCore.Mvc
Introduced in:
1.0.0Fixed in: 1.0.4Fix
dotnet add package Microsoft.AspNetCore.Mvc --version 1.0.4NuGet/Microsoft.AspNetCore.Mvc
Introduced in:
1.1.0Fixed in: 1.1.3Fix
dotnet add package Microsoft.AspNetCore.Mvc --version 1.1.3NuGet/Microsoft.AspNetCore.Mvc.Core
Introduced in:
1.0.0Fixed in: 1.0.4Fix
dotnet add package Microsoft.AspNetCore.Mvc.Core --version 1.0.4NuGet/Microsoft.AspNetCore.Mvc.Core
Introduced in:
1.1.0Fixed in: 1.1.3Fix
dotnet add package Microsoft.AspNetCore.Mvc.Core --version 1.1.3NuGet/System.Net.Http
Introduced in:
4.1.1Fixed in: 4.1.2Fix
dotnet add package System.Net.Http --version 4.1.2NuGet/System.Net.Http
Introduced in:
4.3.1Fixed in: 4.3.2Fix
dotnet add package System.Net.Http --version 4.3.2NuGet/System.Text.Encodings.Web
Introduced in:
4.0.0Fixed in: 4.0.1Fix
dotnet add package System.Text.Encodings.Web --version 4.0.1NuGet/System.Text.Encodings.Web
Introduced in:
4.3.0Fixed in: 4.3.1Fix
dotnet add package System.Text.Encodings.Web --version 4.3.1NuGet/System.Net.Http.WinHttpHandler
Introduced in:
4.0.0Fixed in: 4.0.1Fix
dotnet add package System.Net.Http.WinHttpHandler --version 4.0.1NuGet/System.Net.Http.WinHttpHandler
Introduced in:
4.3.0Fixed in: 4.5.4Fix
dotnet add package System.Net.Http.WinHttpHandler --version 4.5.4NuGet/System.Net.Security
Introduced in:
4.0.0Fixed in: 4.0.1Fix
dotnet add package System.Net.Security --version 4.0.1NuGet/System.Net.Security
Introduced in:
4.3.0Fixed in: 4.3.1Fix
dotnet add package System.Net.Security --version 4.3.1NuGet/System.Net.WebSockets.Client
Introduced in:
4.0.0Fixed in: 4.0.1Fix
dotnet add package System.Net.WebSockets.Client --version 4.0.1NuGet/System.Net.WebSockets.Client
Introduced in:
4.3.0Fixed in: 4.3.1Fix
dotnet add package System.Net.WebSockets.Client --version 4.3.1NuGet/Microsoft.AspNetCore.Mvc.Abstractions
Introduced in:
1.0.0Fixed in: 1.0.4Fix
dotnet add package Microsoft.AspNetCore.Mvc.Abstractions --version 1.0.4NuGet/Microsoft.AspNetCore.Mvc.Abstractions
Introduced in:
1.1.0Fixed in: 1.1.3Fix
dotnet add package Microsoft.AspNetCore.Mvc.Abstractions --version 1.1.3NuGet/Microsoft.AspNetCore.Mvc.ApiExplorer
Introduced in:
1.0.0Fixed in: 1.0.4Fix
dotnet add package Microsoft.AspNetCore.Mvc.ApiExplorer --version 1.0.4NuGet/Microsoft.AspNetCore.Mvc.ApiExplorer
Introduced in:
1.1.0Fixed in: 1.1.3Fix
dotnet add package Microsoft.AspNetCore.Mvc.ApiExplorer --version 1.1.3NuGet/Microsoft.AspNetCore.Mvc.Cors
Introduced in:
1.0.0Fixed in: 1.0.4Fix
dotnet add package Microsoft.AspNetCore.Mvc.Cors --version 1.0.4NuGet/Microsoft.AspNetCore.Mvc.Cors
Introduced in:
1.1.0Fixed in: 1.1.3Fix
dotnet add package Microsoft.AspNetCore.Mvc.Cors --version 1.1.3NuGet/Microsoft.AspNetCore.Mvc.DataAnnotations
Introduced in:
1.0.0Fixed in: 1.0.4Fix
dotnet add package Microsoft.AspNetCore.Mvc.DataAnnotations --version 1.0.4NuGet/Microsoft.AspNetCore.Mvc.DataAnnotations
Introduced in:
1.1.0Fixed in: 1.1.3Fix
dotnet add package Microsoft.AspNetCore.Mvc.DataAnnotations --version 1.1.3NuGet/Microsoft.AspNetCore.Mvc.Formatters.Json
Introduced in:
1.0.0Fixed in: 1.0.4Fix
dotnet add package Microsoft.AspNetCore.Mvc.Formatters.Json --version 1.0.4NuGet/Microsoft.AspNetCore.Mvc.Formatters.Json
Introduced in:
1.1.0Fixed in: 1.1.3Fix
dotnet add package Microsoft.AspNetCore.Mvc.Formatters.Json --version 1.1.3NuGet/Microsoft.AspNetCore.Mvc.Formatters.Xml
Introduced in:
1.0.0Fixed in: 1.0.4Fix
dotnet add package Microsoft.AspNetCore.Mvc.Formatters.Xml --version 1.0.4NuGet/Microsoft.AspNetCore.Mvc.Formatters.Xml
Introduced in:
1.1.0Fixed in: 1.1.3Fix
dotnet add package Microsoft.AspNetCore.Mvc.Formatters.Xml --version 1.1.3NuGet/Microsoft.AspNetCore.Mvc.Localization
Introduced in:
1.0.0Fixed in: 1.0.4Fix
dotnet add package Microsoft.AspNetCore.Mvc.Localization --version 1.0.4NuGet/Microsoft.AspNetCore.Mvc.Localization
Introduced in:
1.1.0Fixed in: 1.1.3Fix
dotnet add package Microsoft.AspNetCore.Mvc.Localization --version 1.1.3NuGet/Microsoft.AspNetCore.Mvc.Razor.Host
Introduced in:
1.0.0Fixed in: 1.0.4Fix
dotnet add package Microsoft.AspNetCore.Mvc.Razor.Host --version 1.0.4NuGet/Microsoft.AspNetCore.Mvc.Razor.Host
Introduced in:
1.1.0Fixed in: 1.1.3Fix
dotnet add package Microsoft.AspNetCore.Mvc.Razor.Host --version 1.1.3NuGet/Microsoft.AspNetCore.Mvc.Razor
Introduced in:
1.0.0Fixed in: 1.0.4Fix
dotnet add package Microsoft.AspNetCore.Mvc.Razor --version 1.0.4NuGet/Microsoft.AspNetCore.Mvc.Razor
Introduced in:
1.1.0Fixed in: 1.1.3Fix
dotnet add package Microsoft.AspNetCore.Mvc.Razor --version 1.1.3NuGet/Microsoft.AspNetCore.Mvc.TagHelpers
Introduced in:
1.0.0Fixed in: 1.0.4Fix
dotnet add package Microsoft.AspNetCore.Mvc.TagHelpers --version 1.0.4NuGet/Microsoft.AspNetCore.Mvc.TagHelpers
Introduced in:
1.1.0Fixed in: 1.1.3Fix
dotnet add package Microsoft.AspNetCore.Mvc.TagHelpers --version 1.1.3NuGet/Microsoft.AspNetCore.Mvc.ViewFeatures
Introduced in:
1.0.0Fixed in: 1.0.4Fix
dotnet add package Microsoft.AspNetCore.Mvc.ViewFeatures --version 1.0.4NuGet/Microsoft.AspNetCore.Mvc.ViewFeatures
Introduced in:
1.1.0Fixed in: 1.1.3Fix
dotnet add package Microsoft.AspNetCore.Mvc.ViewFeatures --version 1.1.3NuGet/Microsoft.AspNetCore.Mvc.WebApiCompatShim
Introduced in:
1.0.0Fixed in: 1.0.4Fix
dotnet add package Microsoft.AspNetCore.Mvc.WebApiCompatShim --version 1.0.4NuGet/Microsoft.AspNetCore.Mvc.WebApiCompatShim
Introduced in:
1.1.0Fixed in: 1.1.3Fix
dotnet add package Microsoft.AspNetCore.Mvc.WebApiCompatShim --version 1.1.3References
- https://nvd.nist.gov/vuln/detail/CVE-2017-0247[ADVISORY]
- https://github.com/aspnet/Announcements/issues/239[WEB]
- https://github.com/advisories/GHSA-6xh7-4v2w-36q6[ADVISORY]
- https://technet.microsoft.com/en-us/library/security/4021279.aspx[WEB]
- https://www.sidertia.com/Home/Community/Blog/2017/05/18/ASPNET-Core-Unicode-Non-Char-Encoding-DoS[WEB]