GSD-2023-42450

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
Mastodon is a free, open-source social network server based on ActivityPub. Starting in version 4.2.0-beta1 and prior to version 4.2.0-rc2, by crafting specific input, attackers can inject arbitrary data into HTTP requests issued by Mastodon. This can be used to perform confused deputy attacks if the server configuration includes `ALLOWED_PRIVATE_ADDRESSES` to allow access to local exploitable services. Version 4.2.0-rc2 has a patch for the issue.
Aliases
Aliases
CVE-2023-42450
To clipboard 

{
  "GSD": {
    "alias": "CVE-2023-42450",
    "id": "GSD-2023-42450"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-42450"
      ],
      "details": "Mastodon is a free, open-source social network server based on ActivityPub. Starting in version 4.2.0-beta1 and prior to version 4.2.0-rc2, by crafting specific input, attackers can inject arbitrary data into HTTP requests issued by Mastodon. This can be used to perform confused deputy attacks if the server configuration includes `ALLOWED_PRIVATE_ADDRESSES` to allow access to local exploitable services. Version 4.2.0-rc2 has a patch for the issue.",
      "id": "GSD-2023-42450",
      "modified": "2023-12-13T01:20:21.825336Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2023-42450",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "mastodon",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "\u003e= 4.2.0-beta1, \u003c 4.2.0-rc2"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "mastodon"
            }
          ]
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      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
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          {
            "lang": "eng",
            "value": "Mastodon is a free, open-source social network server based on ActivityPub. Starting in version 4.2.0-beta1 and prior to version 4.2.0-rc2, by crafting specific input, attackers can inject arbitrary data into HTTP requests issued by Mastodon. This can be used to perform confused deputy attacks if the server configuration includes `ALLOWED_PRIVATE_ADDRESSES` to allow access to local exploitable services. Version 4.2.0-rc2 has a patch for the issue."
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-918",
                "lang": "eng",
                "value": "CWE-918: Server-Side Request Forgery (SSRF)"
              }
            ]
          },
          {
            "description": [
              {
                "cweId": "CWE-113",
                "lang": "eng",
                "value": "CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers (\u0027HTTP Request/Response Splitting\u0027)"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/mastodon/mastodon/security/advisories/GHSA-hcqf-fw2r-52g4",
            "refsource": "MISC",
            "url": "https://github.com/mastodon/mastodon/security/advisories/GHSA-hcqf-fw2r-52g4"
          },
          {
            "name": "https://github.com/mastodon/mastodon/commit/94893cf24fc95b32cc7a756262acbe008c20a9d2",
            "refsource": "MISC",
            "url": "https://github.com/mastodon/mastodon/commit/94893cf24fc95b32cc7a756262acbe008c20a9d2"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-hcqf-fw2r-52g4",
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:joinmastodon:mastodon:4.2.0:beta1:*:*:*:*:*:*",
                    "matchCriteriaId": "D76FF8DD-B11D-4119-9B4E-32CE8365A25B",
                    "vulnerable": true
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                    "matchCriteriaId": "089015EE-D7E4-4370-B1ED-52283B06FF0A",
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                "negate": false,
                "operator": "OR"
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        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "Mastodon is a free, open-source social network server based on ActivityPub. Starting in version 4.2.0-beta1 and prior to version 4.2.0-rc2, by crafting specific input, attackers can inject arbitrary data into HTTP requests issued by Mastodon. This can be used to perform confused deputy attacks if the server configuration includes `ALLOWED_PRIVATE_ADDRESSES` to allow access to local exploitable services. Version 4.2.0-rc2 has a patch for the issue."
          },
          {
            "lang": "es",
            "value": "Mastodon es un servidor de red social gratuito y de c\u00f3digo abierto basado en ActivityPub. A partir de la versi\u00f3n 4.2.0-beta1 y antes de la versi\u00f3n 4.2.0-rc2, al crear entradas espec\u00edficas, los atacantes pueden inyectar datos arbitrarios en las solicitudes HTTP emitidas por Mastodon. Esto se puede utilizar para realizar ataques adjuntos confusos si la configuraci\u00f3n del servidor incluye `ALLOWED_PRIVATE_ADDRESSES` para permitir el acceso a servicios locales explotables. La versi\u00f3n 4.2.0-rc2 tiene un parche para el problema."
          }
        ],
        "id": "CVE-2023-42450",
        "lastModified": "2024-02-16T20:35:15.717",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
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              "source": "nvd@nist.gov",
              "type": "Primary"
            },
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                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.4,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N",
                "version": "3.1"
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        "published": "2023-09-19T16:15:12.897",
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            "source": "security-advisories@github.com",
            "tags": [
              "Patch"
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          },
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            "source": "security-advisories@github.com",
            "tags": [
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          }
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        "vulnStatus": "Analyzed",
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                "value": "CWE-113"
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            "type": "Primary"
          }
        ]
      }
    }
  }
}


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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.



Detection rules are retrieved from Rulezet.