{"id":"GHSA-242j-2gm6-5rwx","summary":"ASP.NET Core and Visual Studio Denial of Service Vulnerability","details":"A denial-of-service vulnerability exists in the way Kestrel parses HTTP/2 requests. The security update addresses the vulnerability by fixing the way the Kestrel parses HTTP/2 requests. Users are advised to upgrade.","aliases":["BIT-aspnet-core-2021-1723","CVE-2021-1723"],"modified":"2024-11-29T05:38:22.384713Z","published":"2022-05-24T17:38:51Z","database_specific":{"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2022-10-24T20:26:09Z","nvd_published_at":"2021-01-12T20:15:00Z","cwe_ids":[]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1723"},{"type":"WEB","url":"https://github.com/dotnet/announcements/issues/170"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3L27CGRVEWUPELNJOGTCW6GLEDBECB4B"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RRXHERXW4KR5WCP76UDW5PC7GX3YQLUW"},{"type":"WEB","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1723"}],"affected":[{"package":{"name":"Microsoft.AspNetCore.Server.Kestrel.Core","ecosystem":"NuGet","purl":"pkg:nuget/Microsoft.AspNetCore.Server.Kestrel.Core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.25"}]}],"versions":["0.0.1-alpha","2.0.0","2.0.0-preview1-final","2.0.0-preview2-final","2.0.1","2.0.2","2.0.3","2.0.4","2.1.0","2.1.0-preview1-final","2.1.0-preview2-final","2.1.0-rc1-final","2.1.1","2.1.2","2.1.3","2.1.7"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-242j-2gm6-5rwx/GHSA-242j-2gm6-5rwx.json"}},{"package":{"name":"Microsoft.AspNetCore.App.Runtime.linux-arm","ecosystem":"NuGet","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-arm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.1.0"},{"fixed":"3.1.11"}]}],"versions":["3.1.0","3.1.1","3.1.10","3.1.2","3.1.3","3.1.4","3.1.5","3.1.6","3.1.7","3.1.8","3.1.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-242j-2gm6-5rwx/GHSA-242j-2gm6-5rwx.json"}},{"package":{"name":"Microsoft.AspNetCore.App.Runtime.linux-arm","ecosystem":"NuGet","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-arm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.0"},{"fixed":"5.0.2"}]}],"versions":["5.0.0","5.0.1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-242j-2gm6-5rwx/GHSA-242j-2gm6-5rwx.json"}},{"package":{"name":"Microsoft.AspNetCore.App.Runtime.linux-arm64","ecosystem":"NuGet","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-arm64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.1.0"},{"fixed":"3.1.11"}]}],"versions":["3.1.0","3.1.1","3.1.10","3.1.2","3.1.3","3.1.4","3.1.5","3.1.6","3.1.7","3.1.8","3.1.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-242j-2gm6-5rwx/GHSA-242j-2gm6-5rwx.json"}},{"package":{"name":"Microsoft.AspNetCore.App.Runtime.linux-arm64","ecosystem":"NuGet","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-arm64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.0"},{"fixed":"5.0.2"}]}],"versions":["5.0.0","5.0.1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-242j-2gm6-5rwx/GHSA-242j-2gm6-5rwx.json"}},{"package":{"name":"Microsoft.AspNetCore.App.Runtime.linux-musl-arm64","ecosystem":"NuGet","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-arm64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.1.0"},{"fixed":"3.1.11"}]}],"versions":["3.1.0","3.1.1","3.1.10","3.1.2","3.1.3","3.1.4","3.1.5","3.1.6","3.1.7","3.1.8","3.1.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-242j-2gm6-5rwx/GHSA-242j-2gm6-5rwx.json"}},{"package":{"name":"Microsoft.AspNetCore.App.Runtime.linux-musl-arm64","ecosystem":"NuGet","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-arm64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.0"},{"fixed":"5.0.2"}]}],"versions":["5.0.0","5.0.1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-242j-2gm6-5rwx/GHSA-242j-2gm6-5rwx.json"}},{"package":{"name":"Microsoft.AspNetCore.App.Runtime.linux-musl-x64","ecosystem":"NuGet","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-x64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.1.0"},{"fixed":"3.1.11"}]}],"versions":["3.1.0","3.1.1","3.1.10","3.1.2","3.1.3","3.1.4","3.1.5","3.1.6","3.1.7","3.1.8","3.1.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-242j-2gm6-5rwx/GHSA-242j-2gm6-5rwx.json"}},{"package":{"name":"Microsoft.AspNetCore.App.Runtime.linux-musl-x64","ecosystem":"NuGet","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-x64"},"ranges":[{"type":"ECOS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