CVE-2020-1161: Microsoft.AspNetCore.App.Runtime.linux arm Denial of Service Vulnerability
HIGHCVE-2020-1161 is a HIGH (CVSS 7.5) denial of service vulnerability (CWE-20: Improper Input Validation) affecting Microsoft.AspNetCore.App.Runtime.linux arm libraries in the NuGet ecosystem. The issue involves asp.net core denial of service vulnerability. Remediation is available by upgrading affected packages to version 3.1.4.
CVE-2020-1161 at a Glance
Security Impact
CVSS: 7.5
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
How to Fix CVE-2020-1161
To remediate this vulnerability, upgrade all affected Microsoft.AspNetCore.App.Runtime.linux arm 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.App.Runtime.linux-arm to 3.1.4Upgrade Microsoft.AspNetCore.App.Runtime.linux-arm64 to 3.1.4Upgrade Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 to 3.1.4Upgrade Microsoft.AspNetCore.App.Runtime.linux-musl-x64 to 3.1.4Upgrade Microsoft.AspNetCore.App.Runtime.linux-x64 to 3.1.4Upgrade Microsoft.AspNetCore.App.Runtime.osx-x64 to 3.1.4Upgrade Microsoft.AspNetCore.App.Runtime.win-arm to 3.1.4Upgrade Microsoft.AspNetCore.App.Runtime.win-x64 to 3.1.4Upgrade Microsoft.AspNetCore.App.Runtime.win-x86 to 3.1.4Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for Microsoft.AspNetCore.App.Runtime.linux-armHow to Check if You Are Affected
To determine whether your application is affected by CVE-2020-1161, inspect your project dependencies for Microsoft.AspNetCore.App.Runtime.linux arm:
inspect dependencies for Microsoft.AspNetCore.App.Runtime.linux-armAnalyze the terminal output to locate any version of Microsoft.AspNetCore.App.Runtime.linux arm in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.1.4), 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-20: Improper Input Validation, where the product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. In Microsoft.AspNetCore.App.Runtime.linux arm, 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-2020-1161 Affected Microsoft.AspNetCore.App.Runtime.linux arm Versions
9 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
Microsoft.AspNetCore.App.Runtime.linux-arm
|
NuGet |
≥ 3.1.0
< 3.1.4
|
3.1.4
|
|
Microsoft.AspNetCore.App.Runtime.linux-arm64
|
NuGet |
≥ 3.1.0
< 3.1.4
|
3.1.4
|
|
Microsoft.AspNetCore.App.Runtime.linux-musl-arm64
|
NuGet |
≥ 3.1.0
< 3.1.4
|
3.1.4
|
|
Microsoft.AspNetCore.App.Runtime.linux-musl-x64
|
NuGet |
≥ 3.1.0
< 3.1.4
|
3.1.4
|
|
Microsoft.AspNetCore.App.Runtime.linux-x64
|
NuGet |
≥ 3.1.0
< 3.1.4
|
3.1.4
|
|
Microsoft.AspNetCore.App.Runtime.osx-x64
|
NuGet |
≥ 3.1.0
< 3.1.4
|
3.1.4
|
|
Microsoft.AspNetCore.App.Runtime.win-arm
|
NuGet |
≥ 3.1.0
< 3.1.4
|
3.1.4
|
|
Microsoft.AspNetCore.App.Runtime.win-x64
|
NuGet |
≥ 3.1.0
< 3.1.4
|
3.1.4
|
|
Microsoft.AspNetCore.App.Runtime.win-x86
|
NuGet |
≥ 3.1.0
< 3.1.4
|
3.1.4
|
References
Frequently Asked Questions
What is CVE-2020-1161?
Which Microsoft.AspNetCore.App.Runtime.linux arm versions are affected?
What version fixes CVE-2020-1161?
Is Microsoft.AspNetCore.App.Runtime.linux-arm affected?
Is Microsoft.AspNetCore.App.Runtime.linux-arm64 affected?
What is the CVSS score of CVE-2020-1161?
What CWE is associated with CVE-2020-1161?
How can I check NuGet dependencies for CVE-2020-1161?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-3cf7-7wq6-8842",
"modified" : "2022-10-21T21:04:37Z",
"published" : "2022-05-24T17:18:32Z",
"aliases" : [ "CVE-2020-1161" ],
"summary" : "ASP.NET Core Denial of Service Vulnerability",
"details" : "A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.App.Runtime.linux-arm"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.1.0"
}, {
"fixed" : "3.1.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.App.Runtime.linux-arm64"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.1.0"
}, {
"fixed" : "3.1.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.App.Runtime.linux-musl-arm64"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.1.0"
}, {
"fixed" : "3.1.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.App.Runtime.linux-musl-x64"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.1.0"
}, {
"fixed" : "3.1.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.App.Runtime.linux-x64"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.1.0"
}, {
"fixed" : "3.1.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.App.Runtime.osx-x64"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.1.0"
}, {
"fixed" : "3.1.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.App.Runtime.win-arm"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.1.0"
}, {
"fixed" : "3.1.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.App.Runtime.win-x64"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.1.0"
}, {
"fixed" : "3.1.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Microsoft.AspNetCore.App.Runtime.win-x86"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.1.0"
}, {
"fixed" : "3.1.4"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-1161"
}, {
"type" : "WEB",
"url" : "https://github.com/aspnet/Announcements/issues/416"
}, {
"type" : "WEB",
"url" : "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1161"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-20" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2022-10-21T21:04:37Z",
"nvd_published_at" : "2020-05-21T23:15:00Z"
}
}