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"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VMAO4NG2OQ4PCXUQWMNSCMYWLIJJY6UY/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31957"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2021:2350", "cpe": "cpe:/a:redhat:rhel_dotnet:3.1::el7", "package": "rh-dotnet31-dotnet-0:3.1.116-1.el7_9", "product_name": ".NET Core on Red Hat Enterprise Linux", "release_date": "2021-06-09T00:00:00Z"}, {"advisory": "RHSA-2021:2351", "cpe": "cpe:/a:redhat:rhel_dotnet:5.0::el7", "package": "rh-dotnet50-dotnet-0:5.0.204-1.el7_9", "product_name": ".NET Core on Red Hat Enterprise Linux", "release_date": "2021-06-09T00:00:00Z"}, {"advisory": "RHSA-2021:2352", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "dotnet3.1-0:3.1.116-1.el8_4", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-06-09T00:00:00Z"}, {"advisory": "RHSA-2021:2353", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "dotnet5.0-0:5.0.204-1.el8_4", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-06-09T00:00:00Z"}], "bugzilla": {"description": "dotnet: ASP.NET Core Client Disconnect Denial of Service", "id": "1966990", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1966990"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-772", "details": ["ASP.NET Core Denial of Service Vulnerability", "A flaw was found in dotnet. The way client disconnects are handled can allow a remote, unauthenticated attacker to exploit this vulnerability to cause a denial of service against an ASP.NET Core application. The highest threat from this vulnerability is to system availability."], "name": "CVE-2021-31957", "package_state": [{"cpe": "cpe:/a:redhat:rhel_dotnet:2.1", "fix_state": "Not affected", "package_name": "rh-dotnet21", "product_name": ".NET Core 2.1 on Red Hat Enterprise Linux"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "dotnet", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2021-06-08T17:35:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-31957\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-31957\nhttps://github.com/dotnet/announcements/issues/189\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31957"], "threat_severity": "Important"}