usn-6278-2
Vulnerability from osv_ubuntu
Published
2023-08-10 19:34
Modified
2026-02-10 04:43
Summary
dotnet6, dotnet7 vulnerabilities
Details

USN-6278-1 fixed several vulnerabilities in .NET. This update provides the corresponding updates for Ubuntu 22.04 LTS.

Original advisory details:

It was discovered that .NET did properly handle the execution of certain commands. An attacker could possibly use this issue to achieve remote code execution. (CVE-2023-35390)

Benoit Foucher discovered that .NET did not properly implement the QUIC stream limit in HTTP/3. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-38178)

It was discovered that .NET did not properly handle the disconnection of potentially malicious clients interfacing with a Kestrel server. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-38180)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-35390",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-38178",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-38180",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "aspnetcore-runtime-6.0",
            "binary_version": "6.0.121-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "aspnetcore-targeting-pack-6.0",
            "binary_version": "6.0.121-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-apphost-pack-6.0",
            "binary_version": "6.0.121-0ubuntu1~22.04.1"
          },
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            "binary_name": "dotnet-host",
            "binary_version": "6.0.121-0ubuntu1~22.04.1"
          },
          {
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            "binary_version": "6.0.121-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-runtime-6.0",
            "binary_version": "6.0.121-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-sdk-6.0",
            "binary_version": "6.0.121-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-sdk-6.0-source-built-artifacts",
            "binary_version": "6.0.121-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-targeting-pack-6.0",
            "binary_version": "6.0.121-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-templates-6.0",
            "binary_version": "6.0.121-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet6",
            "binary_version": "6.0.121-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "netstandard-targeting-pack-2.1",
            "binary_version": "6.0.121-0ubuntu1~22.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "dotnet6",
        "purl": "pkg:deb/ubuntu/dotnet6@6.0.121-0ubuntu1~22.04.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.0.121-0ubuntu1~22.04.1"
            }
          ],
          "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"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-35390",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-38178",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-38180",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "aspnetcore-runtime-7.0",
            "binary_version": "7.0.110-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "aspnetcore-targeting-pack-7.0",
            "binary_version": "7.0.110-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-apphost-pack-7.0",
            "binary_version": "7.0.110-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-host-7.0",
            "binary_version": "7.0.110-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-hostfxr-7.0",
            "binary_version": "7.0.110-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-runtime-7.0",
            "binary_version": "7.0.110-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-sdk-7.0",
            "binary_version": "7.0.110-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-sdk-7.0-source-built-artifacts",
            "binary_version": "7.0.110-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-targeting-pack-7.0",
            "binary_version": "7.0.110-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-templates-7.0",
            "binary_version": "7.0.110-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet7",
            "binary_version": "7.0.110-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "netstandard-targeting-pack-2.1-7.0",
            "binary_version": "7.0.110-0ubuntu1~22.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "dotnet7",
        "purl": "pkg:deb/ubuntu/dotnet7@7.0.110-0ubuntu1~22.04.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.0.110-0ubuntu1~22.04.1"
            }
          ],
          "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"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-6278-1 fixed several vulnerabilities in .NET. This update\nprovides the corresponding updates for Ubuntu 22.04 LTS.\n\nOriginal advisory details:\n\n It was discovered that .NET did properly handle the execution of\n certain commands. An attacker could possibly use this issue to\n achieve remote code execution. (CVE-2023-35390)\n \n Benoit Foucher discovered that .NET did not properly implement the\n QUIC stream limit in HTTP/3. An attacker could possibly use this\n issue to cause a denial of service. (CVE-2023-38178)\n \n It was discovered that .NET did not properly handle the disconnection\n of potentially malicious clients interfacing with a Kestrel server. An\n attacker could possibly use this issue to cause a denial of service.\n (CVE-2023-38180)\n",
  "id": "USN-6278-2",
  "modified": "2026-02-10T04:43:14Z",
  "published": "2023-08-10T19:34:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6278-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-35390"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-38178"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-38180"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "dotnet6, dotnet7 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2023-35390",
    "UBUNTU-CVE-2023-38178",
    "UBUNTU-CVE-2023-38180"
  ]
}



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Sightings

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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.


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