*For some transitive vulnerabilities, there is no version of direct dependency with a fix. Check the section "Details" below to see if there is a version of transitive dependency where vulnerability is fixed.
A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings, aka '.NET Framework and .NET Core Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-0980, CVE-2019-0981.
Mend Note: After conducting further research, Mend has determined that CVE-2019-0820 only affects environments with versions 4.3.0 and 4.3.1 only on netcore50 environment of system.text.regularexpressions.nupkg.
Vulnerable Library - serilog.aspnetcore.4.1.0.nupkg
Path to dependency file: /dotnet6-serilog-example.csproj
Path to vulnerable library: /home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.1.0/system.text.regularexpressions.4.1.0.nupkg
Found in HEAD commit: a2ff9cd4f2c93e3bb308a38ef8986b6848cf9abc
Vulnerabilities
*For some transitive vulnerabilities, there is no version of direct dependency with a fix. Check the section "Details" below to see if there is a version of transitive dependency where vulnerability is fixed.
Details
CVE-2019-0820
### Vulnerable Library - system.text.regularexpressions.4.1.0.nupkgProvides the System.Text.RegularExpressions.Regex class, an implementation of a regular expression e...
Library home page: https://api.nuget.org/packages/system.text.regularexpressions.4.1.0.nupkg
Path to dependency file: /dotnet6-serilog-example.csproj
Path to vulnerable library: /home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.1.0/system.text.regularexpressions.4.1.0.nupkg
Dependency Hierarchy: - serilog.aspnetcore.4.1.0.nupkg (Root Library) - serilog.settings.configuration.3.1.0.nupkg - microsoft.extensions.dependencymodel.2.0.4.nupkg - newtonsoft.json.9.0.1.nupkg - :x: **system.text.regularexpressions.4.1.0.nupkg** (Vulnerable Library)
Found in HEAD commit: a2ff9cd4f2c93e3bb308a38ef8986b6848cf9abc
### Vulnerability DetailsA denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings, aka '.NET Framework and .NET Core Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-0980, CVE-2019-0981. Mend Note: After conducting further research, Mend has determined that CVE-2019-0820 only affects environments with versions 4.3.0 and 4.3.1 only on netcore50 environment of system.text.regularexpressions.nupkg.
Publish Date: 2019-05-16
URL: CVE-2019-0820
### CVSS 3 Score Details (7.5)Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: High
For more information on CVSS3 Scores, click here. ### Suggested FixType: Upgrade version
Origin: https://nvd.nist.gov/vuln/detail/CVE-2019-0820
Release Date: 2019-05-16
Fix Resolution: LocaleWorks.Core - 0.1.1;GWallet.Backend - 0.2.15--date20210210-1105.git-2f5ecf0;KY.Generator - 8.0.0;dnx-coreclr-darwin-x64 - 1.0.0-rc1-final;dnx-coreclr-linux-x64 - 1.0.0-rc1-final;DataPumpCon - 1.0.1;JetBrains.ReSharper.CommandLineTools - 2021.2.1,2020.3.0,2020.2.0-eap01,2021.1.0-eap01,2020.3.0-eap05;dnx-coreclr-win-x64 - 1.0.0-rc1-final;dnx-coreclr-win-x86 - 1.0.0-rc1-final;CodeGeneration.Roslyn.BuildTime - 0.4.6;Fable.Compiler - 1.0.0-narumi-921;ResearchAPI - 2.0.0;NSwag.MSBuild - 13.4.0;Paket.SDK - 0.0.1-gamma01,0.0.1-beta2;com.nitrocrime.XamarinPainter - 0.1.1;Nuke.Common - 0.18.0-alpha0038,0.19.0;Nlog.RabbitMQ.Target - 2.5.1;FSharp.Data.Npgsql - 0.2.7-beta,0.1.42-beta;Dolittle.SDK.Build - 5.0.0-alpha.5;Codecov - 1.2.0;VL.CEF - 0.0.8-stride;ddplatform.ddrrBackendCommonUtils - 1.0.15-beta;JetBrains.ReSharper.GlobalTools - 2021.1.0-eap01,2020.2.0-eap01,2020.3.0,2021.2.1,2020.3.0-eap05;System.Text.RegularExpressions - 4.0.11-beta-23225;Sarif.Multitool - 2.0.0-csd.1;AspectInjector - 2.0.0-rc2;Peachpie.NET.Sdk - 1.0.0,1.0.0-preview4;TfsCmdlets - 2.0.0-beta0008;NBench.Runner - 1.1.0;NLog.RabbitMQ.Target - 2.5.4;Iride - 0.1.1;Cake.Tfs - 0.3.2-beta0001;Toolbelt.Blazor.I18nText - 10.0.0-preview.1,9.4.1;ExcelProvider - 2.0.0-rc1;tsqllint - 1.13.0;JetBrains.ReSharper.TestRunner.Adapters.NUnit3 - 2.6.1.37,1.2.7.18,1.2.9.24;Utf8Json - 1.0.0.1;Cake.CoreCLR - 0.26.0;Tocsoft.GraphQLCodeGen.MsBuild - 0.1.0-beta0015;WebApiClient.AOT - 0.0.6;Lazlo.Powershell.Operations - 1.2.1402;PathOfSupporting - 0.0.1-beta2;Nuke.CodeGeneration - 0.18.0-alpha0038,0.19.0;AspNetCore.Client.Generator - 0.4.1+76;Akka.MultiNodeTestRunner - 1.4.0-beta1;FaIndustry.RelaFax.RestManager - 1.0.2;WaveEngine.Targets - 3.2.0.7765-preview;NugetVersion - 1.0.3;Cake.Tfs.Build.Variables - 0.0.3;TestCentric.GuiRunner - 2.0.0-alpha1