usn-6634-1
Vulnerability from osv_ubuntu
Published
2024-02-13 21:53
Modified
2026-02-10 04:43
Summary
dotnet6, dotnet7, dotnet8 vulnerabilities
Details

Brennan Conroy discovered that .NET with SignalR did not properly handle malicious clients. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-21386)

Bahaa Naamneh discovered that .NET with OpenSSL support did not properly parse X509 certificates. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-21404)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2024-21386",
              "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-2024-21404",
              "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": "6.0.127-0ubuntu1~22.04.1"
          },
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      },
      "package": {
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        "name": "dotnet6",
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      },
      "ranges": [
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      "versions": [
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        "6.0.116-0ubuntu1~22.04.1",
        "6.0.118-0ubuntu1~22.04.1",
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        "6.0.123-0ubuntu1~22.04.1",
        "6.0.124-0ubuntu1~22.04.1",
        "6.0.125-0ubuntu1~22.04.1",
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    {
      "database_specific": {
        "cves_map": {
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              "id": "CVE-2024-21386",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
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                  "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-2024-21404",
              "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"
                },
                {
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              ]
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          ],
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        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
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            "binary_version": "7.0.116-0ubuntu1~22.04.1"
          },
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            "binary_version": "7.0.116-0ubuntu1~22.04.1"
          },
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            "binary_version": "7.0.116-0ubuntu1~22.04.1"
          },
          {
            "binary_name": "dotnet-hostfxr-7.0",
            "binary_version": "7.0.116-0ubuntu1~22.04.1"
          },
          {
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            "binary_name": "netstandard-targeting-pack-2.1-7.0",
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        "name": "dotnet7",
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      },
      "ranges": [
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                  "type": "CVSS_V3"
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                  "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"
                },
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                }
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        }
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        "availability": "No subscription required",
        "binaries": [
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            "binary_name": "aspnetcore-runtime-8.0",
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            "binary_version": "8.0.102-0ubuntu1~22.04.1"
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      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "dotnet8",
        "purl": "pkg:deb/ubuntu/dotnet8@8.0.102-8.0.2-0ubuntu1~22.04.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [],
  "details": "Brennan Conroy discovered that .NET with SignalR did not properly\nhandle malicious clients. An attacker could possibly use this issue\nto cause a denial of service. (CVE-2024-21386)\n\nBahaa Naamneh discovered that .NET with OpenSSL support did not\nproperly parse X509 certificates. An attacker could possibly use\nthis issue to cause a denial of service. (CVE-2024-21404)\n",
  "id": "USN-6634-1",
  "modified": "2026-02-10T04:43:30Z",
  "published": "2024-02-13T21:53:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6634-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-21386"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-21404"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "dotnet6, dotnet7, dotnet8 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2024-21386",
    "UBUNTU-CVE-2024-21404"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.