CVE-2019-0657: Improper Input Validation in .Net Framework API's

CVE-2019-0657 · Severity: low · CVSS 3 · Published 2022-05-14

Improper Input Validation in .Net Framework API's

Technologies: Microsoft.NETCore.App (NuGet), System.Private.Uri (NuGet). Vendors: NuGet.

Quick answers

Is CVE-2019-0657 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2019-0657 being exploited in the wild.
How severe is CVE-2019-0657?
Low severity, with a CVSS score of 3, published 14 May 2022.
Which products and versions are affected?
Microsoft.NETCore.App (NuGet) ECOSYSTEM:introduced=2.2.0,fixed=2.2.2; System.Private.Uri (NuGet) ECOSYSTEM:introduced=4.3.0,fixed=4.3.2.
Is there a fix for CVE-2019-0657?
Yes. Microsoft.NETCore.App (NuGet): upgrade to 2.2.2 or later; System.Private.Uri (NuGet): upgrade to 4.3.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2019-0657?
Check whether you run Microsoft.NETCore.App (NuGet) or System.Private.Uri (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Microsoft.NETCore.App (NuGet): upgrade to 2.2.2 or later
    dotnet add package Microsoft.NETCore.App --version 2.2.2
  • System.Private.Uri (NuGet): upgrade to 4.3.2 or later
    dotnet add package System.Private.Uri --version 4.3.2

Affected products

  • Microsoft.NETCore.App (NuGet) ECOSYSTEM:introduced=2.2.0,fixed=2.2.2
  • System.Private.Uri (NuGet) ECOSYSTEM:introduced=4.3.0,fixed=4.3.2

Identifiers

  • CVE-2019-0657
  • GHSA-x5qj-9vmx-7g6g

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