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microsoft.identitymodel.tokens.5.1.2.nupkg: 1 vulnerabilities (highest severity is: 7.5)
Vulnerable Library - microsoft.identitymodel.tokens.5.1.2.nupkg
Path to dependency file: /src/Certify.Server/Certify.Server.Core/Certify.Server.Core/Certify.Server.Core.csproj
Path to vulnerable library: /home/wss-scanner/.nuget/packages/system.text.regularexpressions/4.3.0/system.text.regularexpressions.4.3.0.nupkg
Found in HEAD commit: 82030e050bb75b16d07c00d17dbc0b2c78395837
Vulnerabilities
| CVE | Severity |  CVSS |
Dependency | Type | Fixed in (microsoft.identitymodel.tokens.5.1.2.nupkg version) | Remediation Possible** |
|---|---|---|---|---|---|---|
| CVE-2019-0820 |  High |
7.5 | system.text.regularexpressions.4.3.0.nupkg | Transitive | N/A* | ❌ |
*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.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: /src/Certify.Server/Certify.Server.Api.Public.Tests/Certify.Server.Api.Public.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:
- microsoft.identitymodel.tokens.5.1.2.nupkg (Root Library)
- :x: system.text.regularexpressions.4.3.0.nupkg (Vulnerable Library)
Found in HEAD commit: 82030e050bb75b16d07c00d17dbc0b2c78395837
Found in base branch: development
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: https://github.com/advisories/GHSA-cmhx-cq75-c4mj
Release Date: 2019-05-16
Fix Resolution: System.Text.RegularExpressions - 4.3.1
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:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.
:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.
:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.