Path to dependency file: /Source/CompanyCommunicator.Prep.Func/Microsoft.Teams.Apps.CompanyCommunicator.Prep.Func.csproj
Path to vulnerable library: /home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg
Vulnerabilities
CVE
Severity
CVSS
Dependency
Type
Fixed in (microsoft.identity.client.4.30.1.nupkg version)
*For some transitive vulnerabilities, there is no version of direct dependency with a fix. Check the "Details" section below to see if there is a version of transitive dependency where vulnerability is fixed.
**In some cases, Remediation PR cannot be created automatically for a vulnerability despite the availability of remediation
Path to dependency file: /Source/Test/CompanyCommunicator.Prep.Func.Test/Microsoft.Teams.Apps.CompanyCommunicator.Prep.Func.Test.csproj
Path to vulnerable library: /home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg
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.
Path to dependency file: /Source/CompanyCommunicator.Prep.Func/Microsoft.Teams.Apps.CompanyCommunicator.Prep.Func.csproj
Path to vulnerable library: /home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg
Vulnerabilities
*For some transitive vulnerabilities, there is no version of direct dependency with a fix. Check the "Details" section below to see if there is a version of transitive dependency where vulnerability is fixed.
**In some cases, Remediation PR cannot be created automatically for a vulnerability despite the availability of remediation
Details
CVE-2019-0820
### Vulnerable Library - system.text.regularexpressions.4.3.0.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.4.3.0.nupkg
Path to dependency file: /Source/Test/CompanyCommunicator.Prep.Func.Test/Microsoft.Teams.Apps.CompanyCommunicator.Prep.Func.Test.csproj
Path to vulnerable library: /home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg,/home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg
Dependency Hierarchy: - microsoft.identity.client.4.30.1.nupkg (Root Library) - system.xml.xdocument.4.3.0.nupkg - system.xml.readerwriter.4.3.0.nupkg - :x: **system.text.regularexpressions.4.3.0.nupkg** (Vulnerable Library)
Found in base branch: master
### 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://github.com/advisories/GHSA-cmhx-cq75-c4mj
Release Date: 2019-05-16
Fix Resolution: System.Text.RegularExpressions - 4.3.1