Vulnerability-Lookup

usn-6438-2

Vulnerability from osv_ubuntu

Published

2023-10-25 03:44

Modified

2023-10-25 03:44

Summary

.Net regressions

Details

USN-6438-1 fixed vulnerabilities in .Net. It was discovered that the fix for CVE-2023-36799 was incomplete. This update fixes the problem.

Original advisory details:

Kevin Jones discovered that .NET did not properly process certain X.509 certificates. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-36799)

It was discovered that the .NET Kestrel web server did not properly handle HTTP/2 requests. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2023-44487)

References

URL

Type

	https://ubuntu.com/security/notices/USN-6438-2	ADVISORY
	https://ubuntu.com/security/CVE-2023-36799	REPORT
	https://launchpad.net/bugs/2040207	REPORT
	https://launchpad.net/bugs/2040208	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "aspnetcore-runtime-6.0",
            "binary_version": "6.0.124-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "aspnetcore-targeting-pack-6.0",
            "binary_version": "6.0.124-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-apphost-pack-6.0",
            "binary_version": "6.0.124-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-apphost-pack-6.0-dbgsym",
            "binary_version": "6.0.124-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-host",
            "binary_version": "6.0.124-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-host-dbgsym",
            "binary_version": "6.0.124-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-hostfxr-6.0",
            "binary_version": "6.0.124-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-hostfxr-6.0-dbgsym",
            "binary_version": "6.0.124-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-runtime-6.0",
            "binary_version": "6.0.124-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-runtime-6.0-dbgsym",
            "binary_version": "6.0.124-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-sdk-6.0",
            "binary_version": "6.0.124-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-sdk-6.0-dbgsym",
            "binary_version": "6.0.124-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-sdk-6.0-source-built-artifacts",
            "binary_version": "6.0.124-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-targeting-pack-6.0",
            "binary_version": "6.0.124-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-templates-6.0",
            "binary_version": "6.0.124-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet6",
            "binary_version": "6.0.124-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "netstandard-targeting-pack-2.1",
            "binary_version": "6.0.124-0ubuntu1~23.10.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:23.10",
        "name": "dotnet6",
        "purl": "pkg:deb/ubuntu/dotnet6@6.0.124-0ubuntu1~23.10.1?arch=source\u0026distro=mantic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.0.124-0ubuntu1~23.10.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.0.116-0ubuntu2",
        "6.0.116-0ubuntu3",
        "6.0.118-0ubuntu1",
        "6.0.119-0ubuntu1",
        "6.0.120-0ubuntu1",
        "6.0.120-0ubuntu2",
        "6.0.121-0ubuntu1",
        "6.0.123-0ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "aspnetcore-runtime-7.0",
            "binary_version": "7.0.113-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "aspnetcore-targeting-pack-7.0",
            "binary_version": "7.0.113-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-apphost-pack-7.0",
            "binary_version": "7.0.113-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-apphost-pack-7.0-dbgsym",
            "binary_version": "7.0.113-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-host-7.0",
            "binary_version": "7.0.113-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-host-7.0-dbgsym",
            "binary_version": "7.0.113-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-hostfxr-7.0",
            "binary_version": "7.0.113-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-hostfxr-7.0-dbgsym",
            "binary_version": "7.0.113-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-runtime-7.0",
            "binary_version": "7.0.113-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-runtime-7.0-dbgsym",
            "binary_version": "7.0.113-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-sdk-7.0",
            "binary_version": "7.0.113-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-sdk-7.0-dbgsym",
            "binary_version": "7.0.113-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-sdk-7.0-source-built-artifacts",
            "binary_version": "7.0.113-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-targeting-pack-7.0",
            "binary_version": "7.0.113-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet-templates-7.0",
            "binary_version": "7.0.113-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "dotnet7",
            "binary_version": "7.0.113-0ubuntu1~23.10.1"
          },
          {
            "binary_name": "netstandard-targeting-pack-2.1-7.0",
            "binary_version": "7.0.113-0ubuntu1~23.10.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:23.10",
        "name": "dotnet7",
        "purl": "pkg:deb/ubuntu/dotnet7@7.0.113-0ubuntu1~23.10.1?arch=source\u0026distro=mantic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.0.113-0ubuntu1~23.10.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7.0.105-0ubuntu2",
        "7.0.105-0ubuntu3",
        "7.0.107-0ubuntu1",
        "7.0.108-0ubuntu2",
        "7.0.109-0ubuntu1",
        "7.0.109-0ubuntu2",
        "7.0.110-0ubuntu1",
        "7.0.112-0ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-6438-1 fixed vulnerabilities in .Net. It was discovered that the fix\nfor [CVE-2023-36799](https://ubuntu.com/security/CVE-2023-36799) was incomplete. This update fixes the problem.\n\nOriginal advisory details:\n\n Kevin Jones discovered that .NET did not properly process certain\n X.509 certificates. An attacker could possibly use this issue to\n cause a denial of service. (CVE-2023-36799)\n \n It was discovered that the .NET Kestrel web server did not properly\n handle HTTP/2 requests. A remote attacker could possibly use this\n issue to cause a denial of service. (CVE-2023-44487)\n",
  "id": "USN-6438-2",
  "modified": "2023-10-25T03:44:47.079002Z",
  "published": "2023-10-25T03:44:47.079002Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6438-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-36799"
    },
    {
      "type": "REPORT",
      "url": "https://launchpad.net/bugs/2040207"
    },
    {
      "type": "REPORT",
      "url": "https://launchpad.net/bugs/2040208"
    }
  ],
  "related": [
    "CVE-2023-36799",
    "UBUNTU-CVE-2023-36799"
  ],
  "schema_version": "1.6.3",
  "summary": ".Net regressions"
}

CVE-2023-36799 (GCVE-0-2023-36799)

Vulnerability from cvelistv5 – Published: 2023-09-12 16:58 – Updated: 2025-10-30 18:18

Title

.NET Core and Visual Studio Denial of Service Vulnerability

Summary

.NET Core and Visual Studio Denial of Service Vulnerability

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

microsoft

References

1 reference

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisory

Impacted products

8 products

Vendor	Product	Version
Microsoft	.NET 6.0	Affected: 6.0.0 , < 6.0.24 (custom)
Microsoft	.NET 7.0	Affected: 7.0.0 , < 7.0.13 (custom)
Microsoft	Microsoft Visual Studio 2022 version 17.2	Affected: 17.2.0 , < 17.2.21 (custom)
Microsoft	Microsoft Visual Studio 2022 version 17.4	Affected: 17.4.0 , < 17.4.13 (custom)
Microsoft	Microsoft Visual Studio 2022 version 17.7	Affected: 17.7.0 , < 17.6.9 (custom)
Microsoft	Microsoft Visual Studio 2022 version 17.6	Affected: 17.6.0 , < 17.6.9 (custom)
Microsoft	PowerShell 7.2	Affected: 7.2.0 , < 7.2.14 (custom)
Microsoft	PowerShell 7.3	Affected: 7.3.0 , < 7.2.14 (custom)

Date Public

2023-09-12 07:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-36799",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-05-29T16:23:47.132893Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:25:46.976Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T17:01:09.676Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": ".NET Core and Visual Studio Denial of Service Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36799"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "platforms": [
            "Unknown"
          ],
          "product": ".NET 6.0",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "6.0.24",
              "status": "affected",
              "version": "6.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "Unknown"
          ],
          "product": ".NET 7.0",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "7.0.13",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "Unknown"
          ],
          "product": "Microsoft Visual Studio 2022 version 17.2",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "17.2.21",
              "status": "affected",
              "version": "17.2.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "Unknown"
          ],
          "product": "Microsoft Visual Studio 2022 version 17.4",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "17.4.13",
              "status": "affected",
              "version": "17.4.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "Unknown"
          ],
          "product": "Microsoft Visual Studio 2022 version 17.7",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "17.6.9",
              "status": "affected",
              "version": "17.7.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "Unknown"
          ],
          "product": "Microsoft Visual Studio 2022 version 17.6",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "17.6.9",
              "status": "affected",
              "version": "17.6.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "Unknown"
          ],
          "product": "PowerShell 7.2",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "7.2.14",
              "status": "affected",
              "version": "7.2.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "Unknown"
          ],
          "product": "PowerShell 7.3",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "7.2.14",
              "status": "affected",
              "version": "7.3.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.24",
                  "versionStartIncluding": "6.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0.13",
                  "versionStartIncluding": "7.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "17.2.21",
                  "versionStartIncluding": "17.2.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "17.4.13",
                  "versionStartIncluding": "17.4.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:visual_studio:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "17.6.9",
                  "versionStartIncluding": "17.7.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:visual_studio:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "17.6.9",
                  "versionStartIncluding": "17.6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:powershell:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.14",
                  "versionStartIncluding": "7.2.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:powershell:*:-:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.14",
                  "versionStartIncluding": "7.3.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "datePublic": "2023-09-12T07:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": ".NET Core and Visual Studio Denial of Service Vulnerability"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400: Uncontrolled Resource Consumption",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-30T18:18:07.707Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": ".NET Core and Visual Studio Denial of Service Vulnerability",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36799"
        }
      ],
      "title": ".NET Core and Visual Studio Denial of Service Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2023-36799",
    "datePublished": "2023-09-12T16:58:38.681Z",
    "dateReserved": "2023-06-27T15:11:59.874Z",
    "dateUpdated": "2025-10-30T18:18:07.707Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

ubuntu-cve-2023-36799

Vulnerability from osv_ubuntu

Published

2023-09-12 00:00

Modified

2025-09-08 16:56

Summary

Details

.NET Core and Visual Studio Denial of Service Vulnerability

Severity

6.5 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

6.5 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2023-36799	REPORT
	https://ubuntu.com/security/notices/USN-6362-1	ADVISORY
	https://devblogs.microsoft.com/dotnet/september-2…	REPORT
	https://ubuntu.com/security/notices/USN-6438-1	ADVISORY
	https://ubuntu.com/security/notices/USN-6438-2	ADVISORY
	https://ubuntu.com/security/notices/USN-6362-2	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2023-36799	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "aspnetcore-runtime-6.0",
            "binary_version": "6.0.122-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "aspnetcore-targeting-pack-6.0",
            "binary_version": "6.0.122-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-apphost-pack-6.0",
            "binary_version": "6.0.122-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-host",
            "binary_version": "6.0.122-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-hostfxr-6.0",
            "binary_version": "6.0.122-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-runtime-6.0",
            "binary_version": "6.0.122-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-sdk-6.0",
            "binary_version": "6.0.122-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-sdk-6.0-source-built-artifacts",
            "binary_version": "6.0.122-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-targeting-pack-6.0",
            "binary_version": "6.0.122-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-templates-6.0",
            "binary_version": "6.0.122-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet6",
            "binary_version": "6.0.122-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "netstandard-targeting-pack-2.1",
            "binary_version": "6.0.122-0ubuntu1~22.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "dotnet6",
        "purl": "pkg:deb/ubuntu/dotnet6@6.0.122-0ubuntu1~22.04.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.0.122-0ubuntu1~22.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.0.108-0ubuntu1~22.04.1",
        "6.0.109-0ubuntu1~22.04.1",
        "6.0.110-0ubuntu1~22.04.1",
        "6.0.111-0ubuntu1~22.04.1",
        "6.0.113-0ubuntu1~22.04.1",
        "6.0.116-0ubuntu1~22.04.1",
        "6.0.118-0ubuntu1~22.04.1",
        "6.0.119-0ubuntu1~22.04.1",
        "6.0.120-0ubuntu1~22.04.1",
        "6.0.121-0ubuntu1~22.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "aspnetcore-runtime-7.0",
            "binary_version": "7.0.111-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "aspnetcore-targeting-pack-7.0",
            "binary_version": "7.0.111-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-apphost-pack-7.0",
            "binary_version": "7.0.111-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-host-7.0",
            "binary_version": "7.0.111-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-hostfxr-7.0",
            "binary_version": "7.0.111-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-runtime-7.0",
            "binary_version": "7.0.111-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-sdk-7.0",
            "binary_version": "7.0.111-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-sdk-7.0-source-built-artifacts",
            "binary_version": "7.0.111-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-targeting-pack-7.0",
            "binary_version": "7.0.111-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-templates-7.0",
            "binary_version": "7.0.111-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet7",
            "binary_version": "7.0.111-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "netstandard-targeting-pack-2.1-7.0",
            "binary_version": "7.0.111-0ubuntu1~22.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "dotnet7",
        "purl": "pkg:deb/ubuntu/dotnet7@7.0.111-0ubuntu1~22.04.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.0.111-0ubuntu1~22.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7.0.105-0ubuntu1~22.04.1",
        "7.0.107-0ubuntu1~22.04.1",
        "7.0.108-0ubuntu1~22.04.1",
        "7.0.109-0ubuntu1~22.04.1",
        "7.0.110-0ubuntu1~22.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": ".NET Core and Visual Studio Denial of Service Vulnerability",
  "id": "UBUNTU-CVE-2023-36799",
  "modified": "2025-09-08T16:56:24Z",
  "published": "2023-09-12T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-36799"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6362-1"
    },
    {
      "type": "REPORT",
      "url": "https://devblogs.microsoft.com/dotnet/september-2023-updates/"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6438-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6438-2"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6362-2"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-36799"
    }
  ],
  "related": [
    "USN-6362-1",
    "USN-6438-1",
    "USN-6438-2",
    "USN-6362-2"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-36799"
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

usn-6438-2

Vulnerability from osv_ubuntu

CVE-2023-36799 (GCVE-0-2023-36799)

ubuntu-cve-2023-36799

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature