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Fencer Intel
medium —

GHSA-cgpw-2gph-2r9g json

Moderate severity vulnerability that affects Microsoft.AspNetCore.All, Microsoft.AspNetCore.App, and Microsoft.AspNetCore.Server.Kestrel.Core

published 8y ago modified last yr.

cvss
—
not scored
cisa kev
Not listed
not in CISA's catalog
epss
—
no score, EPSS covers CVEs only
public exploits
0
none known

Summary

Microsoft is aware of a denial of service vulnerability in ASP.NET Core when a malformed request is terminated. An attacker who successfully exploited this vulnerability could cause a denial of service attack.

The update addresses the vulnerability by correcting how ASP.NET Core handles such requests.

Patch / fix

  • nuget Microsoft.AspNetCore.Server.Kestrel.Core 2.0.4, 2.1.2
  • nuget Microsoft.AspNetCore.All 2.0.9, 2.1.2
  • nuget Microsoft.AspNetCore.App 2.1.2

Is GHSA-cgpw-2gph-2r9g in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Affected packages

ecosystem package affected fixed in
nuget Microsoft.AspNetCore.Server.Kestrel.Core
>=2.0.0, <2.0.4
>=2.1.0, <2.1.2
2.0.4
2.1.2
nuget Microsoft.AspNetCore.All
>=2.0.0, <2.0.9
>=2.1.0, <2.1.2
2.0.9
2.1.2
nuget Microsoft.AspNetCore.App
>=2.1.0, <2.1.2
2.1.2

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.