Vulnerabilities in pkg:nuget/System.Text.Encodings.Web
PACKAGECVE-2017-0248 is a MODERATE moderate severity vulnerability that affects vulnerability (CWE-295: Improper Certificate Validation) affecting Microsoft.AspNetCore.Mvc libraries in the NuGet ecosystem. The issue involves moderate severity vulnerability that affects microsoft.aspnetcore.mvc and microsoft.aspnetcore.mvc.core. Remediation is available by upgrading affected packages to version 1.0.4, 1.1.3, 4.1.2, 4.3.2, 4.0.1, 4.3.1.
pkg:nuget/System.Text.Encodings.Web
Vulnerability advisories affecting package pkg:nuget/System.Text.Encodings.Web. Select an advisory below to view technical details or fixes.
| Advisory ID | CVE / NVD | Severity | Summary |
|---|---|---|---|
| GHSA-ch6p-4jcm-h8vh | CVE-2017-0248 | MODERATE | Moderate severity vulnerability that affects Microsoft.AspNetCore.Mvc and Microsoft.AspNetCore.Mvc.Core |
| GHSA-6xh7-4v2w-36q6 | CVE-2017-0247 | HIGH | ASP.NET Core fails to properly validate web requests |
| GHSA-qhqf-ghgh-x2m4 | CVE-2017-0249 | HIGH | High severity vulnerability that affects Microsoft.AspNetCore.Mvc |
| GHSA-j8f4-2w4p-mhjc | CVE-2017-0256 | MODERATE | Moderate severity vulnerability that affects Microsoft.AspNetCore.Mvc |
| GHSA-ghhp-997w-qr28 | CVE-2021-26701 | CRITICAL | .NET Core Remote Code Execution Vulnerability |
CVE-2017-0248 at a Glance
How to Fix CVE-2017-0248
To remediate this vulnerability, upgrade all affected Microsoft.AspNetCore.Mvc dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade Microsoft.AspNetCore.Mvc to 1.0.4
Upgrade Microsoft.AspNetCore.Mvc to 1.1.3
Upgrade Microsoft.AspNetCore.Mvc.Core to 1.0.4
Upgrade Microsoft.AspNetCore.Mvc.Core to 1.1.3
Upgrade System.Net.Http to 4.1.2
Upgrade System.Net.Http to 4.3.2
Upgrade System.Text.Encodings.Web to 4.0.1
Upgrade System.Text.Encodings.Web to 4.3.1
Upgrade System.Net.Http.WinHttpHandler to 4.0.1
Upgrade System.Net.Http.WinHttpHandler to 4.3.1
Upgrade System.Net.Security to 4.0.1
Upgrade System.Net.Security to 4.3.1
Upgrade System.Net.WebSockets.Client to 4.0.1
Upgrade System.Net.WebSockets.Client to 4.3.1
Upgrade Microsoft.AspNetCore.Mvc.Abstractions to 1.0.4
Upgrade Microsoft.AspNetCore.Mvc.Abstractions to 1.1.3
Upgrade Microsoft.AspNetCore.Mvc.ApiExplorer to 1.0.4
Upgrade Microsoft.AspNetCore.Mvc.ApiExplorer to 1.1.3
Upgrade Microsoft.AspNetCore.Mvc.Cors to 1.0.4
Upgrade Microsoft.AspNetCore.Mvc.Cors to 1.1.3
Upgrade Microsoft.AspNetCore.Mvc.DataAnnotations to 1.0.4
Upgrade Microsoft.AspNetCore.Mvc.DataAnnotations to 1.1.3
Upgrade Microsoft.AspNetCore.Mvc.Formatters.Json to 1.0.4
Upgrade Microsoft.AspNetCore.Mvc.Formatters.Json to 1.1.3
Upgrade Microsoft.AspNetCore.Mvc.Formatters.Xml to 1.0.4
Upgrade Microsoft.AspNetCore.Mvc.Formatters.Xml to 1.1.3
Upgrade Microsoft.AspNetCore.Mvc.Localization to 1.0.4
Upgrade Microsoft.AspNetCore.Mvc.Localization to 1.1.3
Upgrade Microsoft.AspNetCore.Mvc.Razor.Host to 1.0.4
Upgrade Microsoft.AspNetCore.Mvc.Razor.Host to 1.1.3
Upgrade Microsoft.AspNetCore.Mvc.Razor to 1.0.4
Upgrade Microsoft.AspNetCore.Mvc.Razor to 1.1.3
Upgrade Microsoft.AspNetCore.Mvc.TagHelpers to 1.0.4
Upgrade Microsoft.AspNetCore.Mvc.TagHelpers to 1.1.3
Upgrade Microsoft.AspNetCore.Mvc.ViewFeatures to 1.0.4
Upgrade Microsoft.AspNetCore.Mvc.ViewFeatures to 1.1.3
Upgrade Microsoft.AspNetCore.Mvc.WebApiCompatShim to 1.0.4
Upgrade Microsoft.AspNetCore.Mvc.WebApiCompatShim to 1.1.3
Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for Microsoft.AspNetCore.Mvc
How to Check if You Are Affected
To determine whether your application is affected by CVE-2017-0248, inspect your project dependencies for Microsoft.AspNetCore.Mvc:
inspect dependencies for Microsoft.AspNetCore.Mvc
Analyze the terminal output to locate any version of Microsoft.AspNetCore.Mvc in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.0.4), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-295: Improper Certificate Validation, where the product does not validate, or incorrectly validates, a certificate. In Microsoft.AspNetCore.Mvc, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2017-0248 Affected Microsoft.AspNetCore.Mvc Versions
38 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
Microsoft.AspNetCore.Mvc
|
NuGet |
≥ 1.0.0
< 1.0.4
|
1.0.4
|
|
Microsoft.AspNetCore.Mvc
|
NuGet |
≥ 1.1.0
< 1.1.3
|
1.1.3
|
|
Microsoft.AspNetCore.Mvc.Core
|
NuGet |
≥ 1.0.0
< 1.0.4
|
1.0.4
|
|
Microsoft.AspNetCore.Mvc.Core
|
NuGet |
≥ 1.1.0
< 1.1.3
|
1.1.3
|
|
System.Net.Http
|
NuGet |
≥ 4.1.1
< 4.1.2
All 1 versions
4.1.1
|
4.1.2
|
|
System.Net.Http
|
NuGet |
≥ 4.3.1
< 4.3.2
All 1 versions
4.3.1
|
4.3.2
|
|
System.Text.Encodings.Web
|
NuGet |
≥ 4.0.0
< 4.0.1
All 1 versions
4.0.0
|
4.0.1
|
|
System.Text.Encodings.Web
|
NuGet |
≥ 4.3.0
< 4.3.1
All 1 versions
4.3.0
|
4.3.1
|
|
System.Net.Http.WinHttpHandler
|
NuGet |
≥ 4.0.0
< 4.0.1
All 1 versions
4.0.0
|
4.0.1
|
|
System.Net.Http.WinHttpHandler
|
NuGet |
≥ 4.3.0
< 4.3.1
All 1 versions
4.3.0
|
4.3.1
|
|
System.Net.Security
|
NuGet |
≥ 4.0.0
< 4.0.1
All 1 versions
4.0.0
|
4.0.1
|
|
System.Net.Security
|
NuGet |
≥ 4.3.0
< 4.3.1
All 1 versions
4.3.0
|
4.3.1
|
|
System.Net.WebSockets.Client
|
NuGet |
≥ 4.0.0
< 4.0.1
All 1 versions
4.0.0
|
4.0.1
|
|
System.Net.WebSockets.Client
|
NuGet |
≥ 4.3.0
< 4.3.1
All 1 versions
4.3.0
|
4.3.1
|
|
Microsoft.AspNetCore.Mvc.Abstractions
|
NuGet |
≥ 1.0.0
< 1.0.4
|
1.0.4
|
|
Microsoft.AspNetCore.Mvc.Abstractions
|
NuGet |
≥ 1.1.0
< 1.1.3
|
1.1.3
|
|
Microsoft.AspNetCore.Mvc.ApiExplorer
|
NuGet |
≥ 1.0.0
< 1.0.4
|
1.0.4
|
|
Microsoft.AspNetCore.Mvc.ApiExplorer
|
NuGet |
≥ 1.1.0
< 1.1.3
|
1.1.3
|
|
Microsoft.AspNetCore.Mvc.Cors
|
NuGet |
≥ 1.0.0
< 1.0.4
|
1.0.4
|
|
Microsoft.AspNetCore.Mvc.Cors
|
NuGet |
≥ 1.1.0
< 1.1.3
|
1.1.3
|
|
Microsoft.AspNetCore.Mvc.DataAnnotations
|
NuGet |
≥ 1.0.0
< 1.0.4
|
1.0.4
|
|
Microsoft.AspNetCore.Mvc.DataAnnotations
|
NuGet |
≥ 1.1.0
< 1.1.3
|
1.1.3
|
|
Microsoft.AspNetCore.Mvc.Formatters.Json
|
NuGet |
≥ 1.0.0
< 1.0.4
|
1.0.4
|
|
Microsoft.AspNetCore.Mvc.Formatters.Json
|
NuGet |
≥ 1.1.0
< 1.1.3
|
1.1.3
|
|
Microsoft.AspNetCore.Mvc.Formatters.Xml
|
NuGet |
≥ 1.0.0
< 1.0.4
|
1.0.4
|
|
Microsoft.AspNetCore.Mvc.Formatters.Xml
|
NuGet |
≥ 1.1.0
< 1.1.3
|
1.1.3
|
|
Microsoft.AspNetCore.Mvc.Localization
|
NuGet |
≥ 1.0.0
< 1.0.4
|
1.0.4
|
|
Microsoft.AspNetCore.Mvc.Localization
|
NuGet |
≥ 1.1.0
< 1.1.3
|
1.1.3
|
|
Microsoft.AspNetCore.Mvc.Razor.Host
|
NuGet |
≥ 1.0.0
< 1.0.4
|
1.0.4
|
|
Microsoft.AspNetCore.Mvc.Razor.Host
|
NuGet |
≥ 1.1.0
< 1.1.3
|
1.1.3
|
|
Microsoft.AspNetCore.Mvc.Razor
|
NuGet |
≥ 1.0.0
< 1.0.4
|
1.0.4
|
|
Microsoft.AspNetCore.Mvc.Razor
|
NuGet |
≥ 1.1.0
< 1.1.3
|
1.1.3
|
|
Microsoft.AspNetCore.Mvc.TagHelpers
|
NuGet |
≥ 1.0.0
< 1.0.4
|
1.0.4
|
|
Microsoft.AspNetCore.Mvc.TagHelpers
|
NuGet |
≥ 1.1.0
< 1.1.3
|
1.1.3
|
|
Microsoft.AspNetCore.Mvc.ViewFeatures
|
NuGet |
≥ 1.0.0
< 1.0.4
|
1.0.4
|
|
Microsoft.AspNetCore.Mvc.ViewFeatures
|
NuGet |
≥ 1.1.0
< 1.1.3
|
1.1.3
|
|
Microsoft.AspNetCore.Mvc.WebApiCompatShim
|
NuGet |
≥ 1.0.0
< 1.0.4
|
1.0.4
|
|
Microsoft.AspNetCore.Mvc.WebApiCompatShim
|
NuGet |
≥ 1.1.0
< 1.1.3
|
1.1.3
|
References
Frequently Asked Questions
What is CVE-2017-0248?
Which Microsoft.AspNetCore.Mvc versions are affected?
What version fixes CVE-2017-0248?
Is Microsoft.AspNetCore.Mvc affected?
Is Microsoft.AspNetCore.Mvc.Core affected?
What CWE is associated with CVE-2017-0248?
How can I check NuGet dependencies for CVE-2017-0248?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-ch6p-4jcm-h8vh",
"modified" : "2024-02-28T23:01:55Z",
"published" : "2018-10-16T19:58:52Z",
"aliases" : [ "CVE-2017-0248" ],
"summary" : "Moderate severity vulnerability that affects Microsoft.AspNetCore.Mvc and Microsoft.AspNetCore.Mvc.Core",
"details" : "Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to bypass Enhanced Security Usage taggings when they present a certificate that is invalid for a specific use, aka \".NET Security Feature Bypass Vulnerability.\"",
"severity" : [ ],
"affected" : [ {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.0.0"
}, {
"fixed" : "1.0.4"
} ]
} ]
}, {
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},
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} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "System.Net.Http"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.1.1"
}, {
"fixed" : "4.1.2"
} ]
} ],
"versions" : [ "4.1.1" ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "System.Net.Http"
},
"ranges" : [ {
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}, {
"fixed" : "4.3.2"
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} ],
"versions" : [ "4.3.1" ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "System.Text.Encodings.Web"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.0.0"
}, {
"fixed" : "4.0.1"
} ]
} ],
"versions" : [ "4.0.0" ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "System.Text.Encodings.Web"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.3.0"
}, {
"fixed" : "4.3.1"
} ]
} ],
"versions" : [ "4.3.0" ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "System.Net.Http.WinHttpHandler"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.0.0"
}, {
"fixed" : "4.0.1"
} ]
} ],
"versions" : [ "4.0.0" ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "System.Net.Http.WinHttpHandler"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.3.0"
}, {
"fixed" : "4.3.1"
} ]
} ],
"versions" : [ "4.3.0" ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "System.Net.Security"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.0.0"
}, {
"fixed" : "4.0.1"
} ]
} ],
"versions" : [ "4.0.0" ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "System.Net.Security"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.3.0"
}, {
"fixed" : "4.3.1"
} ]
} ],
"versions" : [ "4.3.0" ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "System.Net.WebSockets.Client"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.0.0"
}, {
"fixed" : "4.0.1"
} ]
} ],
"versions" : [ "4.0.0" ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "System.Net.WebSockets.Client"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.3.0"
}, {
"fixed" : "4.3.1"
} ]
} ],
"versions" : [ "4.3.0" ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.Abstractions"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.0.0"
}, {
"fixed" : "1.0.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.Abstractions"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.1.0"
}, {
"fixed" : "1.1.3"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.ApiExplorer"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.0.0"
}, {
"fixed" : "1.0.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.ApiExplorer"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.1.0"
}, {
"fixed" : "1.1.3"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.Cors"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.0.0"
}, {
"fixed" : "1.0.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.Cors"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.1.0"
}, {
"fixed" : "1.1.3"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.DataAnnotations"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.0.0"
}, {
"fixed" : "1.0.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.DataAnnotations"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.1.0"
}, {
"fixed" : "1.1.3"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.Formatters.Json"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.0.0"
}, {
"fixed" : "1.0.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.Formatters.Json"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.1.0"
}, {
"fixed" : "1.1.3"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.Formatters.Xml"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.0.0"
}, {
"fixed" : "1.0.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.Formatters.Xml"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.1.0"
}, {
"fixed" : "1.1.3"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.Localization"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.0.0"
}, {
"fixed" : "1.0.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.Localization"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.1.0"
}, {
"fixed" : "1.1.3"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.Razor.Host"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.0.0"
}, {
"fixed" : "1.0.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.Razor.Host"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.1.0"
}, {
"fixed" : "1.1.3"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.Razor"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.0.0"
}, {
"fixed" : "1.0.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.Razor"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.1.0"
}, {
"fixed" : "1.1.3"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.TagHelpers"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.0.0"
}, {
"fixed" : "1.0.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.TagHelpers"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.1.0"
}, {
"fixed" : "1.1.3"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.Mvc.ViewFeatures"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.0.0"
}, {
"fixed" : "1.0.4"
} ]
} ]
}, {
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"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2017-0248"
}, {
"type" : "WEB",
"url" : "https://github.com/aspnet/Announcements/issues/239"
}, {
"type" : "ADVISORY",
"url" : "https://github.com/advisories/GHSA-ch6p-4jcm-h8vh"
}, {
"type" : "WEB",
"url" : "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-295" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2020-06-16T21:31:44Z",
"nvd_published_at" : null
}
}