Vulnerability-Lookup

GHSA-85C5-CCM8-VR96

Vulnerability from github – Published: 2022-05-24 16:51 – Updated: 2023-08-25 21:43

Summary

mastercactapus proxyprotocol vulnerable to denial of service

Details

headerv2.go in mastercactapus proxyprotocol before 0.0.2, as used in the mastercactapus caddy-proxyprotocol plugin through 0.0.2 for Caddy, allows remote attackers to cause a denial of service (webserver panic and daemon crash) via a crafted HAProxy PROXY v2 request with truncated source/destination address data.

Severity

7.5 (High)


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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mastercactapus/proxyprotocol"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2019-14243"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-07-14T20:53:45Z",
    "nvd_published_at": "2019-07-23T22:15:00Z",
    "severity": "HIGH"
  },
  "details": "headerv2.go in mastercactapus proxyprotocol before 0.0.2, as used in the mastercactapus caddy-proxyprotocol plugin through 0.0.2 for Caddy, allows remote attackers to cause a denial of service (webserver panic and daemon crash) via a crafted HAProxy PROXY v2 request with truncated source/destination address data.",
  "id": "GHSA-85c5-ccm8-vr96",
  "modified": "2023-08-25T21:43:47Z",
  "published": "2022-05-24T16:51:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-14243"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mastercactapus/caddy-proxyprotocol/issues/8"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mastercactapus/proxyprotocol/issues/1"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mastercactapus/proxyprotocol/commit/5c4a101121fc3e868026189c7a73f7f19eef90ac"
    },
    {
      "type": "WEB",
      "url": "https://caddy.community/t/dos-in-http-proxyprotocol-plugin/6014"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mastercactapus/proxyprotocol"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mastercactapus/proxyprotocol/releases/tag/v0.0.2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "mastercactapus proxyprotocol vulnerable to denial of service"
}

CVE-2019-14243 (GCVE-0-2019-14243)

Vulnerability from cvelistv5 – Published: 2019-07-23 21:38 – Updated: 2024-08-05 00:12

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2260 records in the last 180 days details

References

6 references

URL	Tags
https://caddy.community/t/dos-in-http-proxyprotoc…	x_refsource_MISC
https://github.com/mastercactapus/proxyprotocol/i…	x_refsource_MISC
https://github.com/mastercactapus/caddy-proxyprot…	x_refsource_MISC
https://github.com/mastercactapus/proxyprotocol/c…	x_refsource_MISC
https://github.com/mastercactapus/proxyprotocol/c…	x_refsource_MISC
https://github.com/mastercactapus/proxyprotocol/r…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T00:12:43.432Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://caddy.community/t/dos-in-http-proxyprotocol-plugin/6014"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/mastercactapus/proxyprotocol/issues/1"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/mastercactapus/caddy-proxyprotocol/issues/8"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/mastercactapus/proxyprotocol/commit/5c4a101121fc3e868026189c7a73f7f19eef90ac"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/mastercactapus/proxyprotocol/releases/tag/v0.0.2"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
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      "descriptions": [
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          "lang": "en",
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "lang": "en",
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            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2019-07-23T21:38:14.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
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          "url": "https://caddy.community/t/dos-in-http-proxyprotocol-plugin/6014"
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          ],
          "url": "https://github.com/mastercactapus/proxyprotocol/issues/1"
        },
        {
          "tags": [
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          ],
          "url": "https://github.com/mastercactapus/caddy-proxyprotocol/issues/8"
        },
        {
          "tags": [
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          ],
          "url": "https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/mastercactapus/proxyprotocol/commit/5c4a101121fc3e868026189c7a73f7f19eef90ac"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/mastercactapus/proxyprotocol/releases/tag/v0.0.2"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2019-14243",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
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                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
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                      }
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                "vendor_name": "n/a"
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        "data_version": "4.0",
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            }
          ]
        },
        "problemtype": {
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                  "value": "n/a"
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        "references": {
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            },
            {
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              "refsource": "MISC",
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            },
            {
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              "refsource": "MISC",
              "url": "https://github.com/mastercactapus/caddy-proxyprotocol/issues/8"
            },
            {
              "name": "https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101",
              "refsource": "MISC",
              "url": "https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101"
            },
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            },
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    "assignerShortName": "mitre",
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    "datePublished": "2019-07-23T21:38:14.000Z",
    "dateReserved": "2019-07-23T00:00:00.000Z",
    "dateUpdated": "2024-08-05T00:12:43.432Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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