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NuGet package

microsoft.aspnetcore.server.kestrel.transport.sockets

Open actionable advisories and recorded vendor fixes. This public package view has no inventory attached and cannot establish whether your deployment is affected. A vendor fix never resolves your finding; verify your installed version and the source guidance.

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1 actionable advisory, newest first. Withdrawn advisories and news are excluded. Coverage is partial.

  1. High, CVSS 7.5Exploited · CISA KEVNuGetPublished

    .NET Denial of Service Vulnerability

    CVE-2023-38180 · GHSA-vmch-3w2x-vhgq

    Affected
    • NuGet microsoft.aspnetcore.server.kestrel.transport.sockets <= 2.1.39
    Fixed in
    2.1.40· Vendor fix available
    Issue
    Microsoft Security Advisory CVE-2023-38180: .NET Denial of Service Vulnerability <a name="executive-summary"</aExecutive summary Microsoft is releasing this security advisory to provide information about a vulnerability in ASP.NET Core 2.1, .NET 6.0, and .NET 7.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A vulnerability exists in Kestrel where, on detecting a potentially malicious client, Kestrel will sometimes fail to disconnect it, resulting in denial of service. Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/269 <a name="mitigation-factors"</aMitigation factors If your application is running behind a reverse proxy, or Web Application Firewall, which has its own mitigations against HTTP based attacks this issue may be mitigated by the proxy or WAF <a name="affected-software"</aAffected software Any .NET 7.0 application running on .NET 7.0.8 or…

    Recommended action: Upgrade to 2.1.40 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.com (1)cisa.gov (2)Source checked Evidence →