{"id":"GHSA-xh5m-8qqp-c5x7","summary":"Remote Denial of Service Vulnerability in Microsoft.Native.Quic.MsQuic.Schannel","details":"### Impact\nThe MsQuic server application or process will crash, resulting in a denial of service.\n\n### Patches\nThe following patch was made:\n\n- Don't Allow Version Negotiation Packets for Server Connections - https://github.com/microsoft/msquic/commit/3226cff07d22662f16fc98d605656860e64cd343\n\n### Workarounds\nBeyond upgrading to the patched versions, there is no other workaround. You must upgrade or disable MsQuic functionality.\n","aliases":["BIT-dotnet-2023-38171","BIT-dotnet-sdk-2023-38171","CVE-2023-38171"],"modified":"2024-06-03T18:46:58.328470Z","published":"2023-10-10T21:23:27Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2023-10-10T21:23:27Z","nvd_published_at":"2023-10-10T18:15:18Z","cwe_ids":["CWE-400","CWE-476"],"severity":"HIGH"},"references":[{"type":"WEB","url":"https://github.com/microsoft/msquic/security/advisories/GHSA-xh5m-8qqp-c5x7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-38171"},{"type":"WEB","url":"https://github.com/microsoft/msquic/commit/3226cff07d22662f16fc98d605656860e64cd343"},{"type":"PACKAGE","url":"https://github.com/microsoft/msquic"},{"type":"WEB","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38171"}],"affected":[{"package":{"name":"Microsoft.Native.Quic.MsQuic.Schannel","ecosystem":"NuGet","purl":"pkg:nuget/Microsoft.Native.Quic.MsQuic.Schannel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.3"}]}],"versions":["1.8.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/10/GHSA-xh5m-8qqp-c5x7/GHSA-xh5m-8qqp-c5x7.json"}},{"package":{"name":"Microsoft.Native.Quic.MsQuic.OpenSSL","ecosystem":"NuGet","purl":"pkg:nuget/Microsoft.Native.Quic.MsQuic.OpenSSL"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.3"}]}],"versions":["1.8.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/10/GHSA-xh5m-8qqp-c5x7/GHSA-xh5m-8qqp-c5x7.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}