CVE-2019-0820 (High) detected in system.text.regularexpressions.4.3.0.nupkg
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CVE-2019-0820 - High Severity Vulnerability
Vulnerable Library - system.text.regularexpressions.4.3.0.nupkg
Provides 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: /Ghpr.Tests.Tests/Ghpr.Core.Tests.csproj
Path to vulnerable library: /home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg
Dependency Hierarchy:
- nunit3testadapter.3.17.0.nupkg (Root Library)
- system.xml.xmldocument.4.3.0.nupkg
- system.xml.readerwriter.4.3.0.nupkg
- ❌ system.text.regularexpressions.4.3.0.nupkg (Vulnerable Library)
- system.xml.readerwriter.4.3.0.nupkg
- system.xml.xmldocument.4.3.0.nupkg
Found in HEAD commit: 61c01ea44f52cf09332bbf411ffeb7479870bc5c
Found in base branch: master
Vulnerability Details
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.
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
Suggested Fix
Type: Upgrade version
Origin: GHSA-cmhx-cq75-c4mj
Release Date: 2019-05-16
Fix Resolution: System.Text.RegularExpressions - 4.3.1
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