cve-2023-42450
Vulnerability from cvelistv5
Published
2023-09-19 15:53
Modified
2024-08-02 19:23
Severity ?
EPSS score ?
Summary
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.
References
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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." } ], "metrics": [ { "cvssV3_1": { "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" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-918", "description": "CWE-918: Server-Side Request Forgery (SSRF)", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-113", "description": "CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers (\u0027HTTP Request/Response Splitting\u0027)", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2023-09-25T14:32:40.787Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "name": "https://github.com/mastodon/mastodon/security/advisories/GHSA-hcqf-fw2r-52g4", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/mastodon/mastodon/security/advisories/GHSA-hcqf-fw2r-52g4" }, { "name": "https://github.com/mastodon/mastodon/commit/94893cf24fc95b32cc7a756262acbe008c20a9d2", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/mastodon/mastodon/commit/94893cf24fc95b32cc7a756262acbe008c20a9d2" } ], "source": { "advisory": "GHSA-hcqf-fw2r-52g4", "discovery": "UNKNOWN" }, "title": "Mastodon Server-Side Request Forgery vulnerability" } }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2023-42450", "datePublished": "2023-09-19T15:53:39.685Z", "dateReserved": "2023-09-08T20:57:45.573Z", "dateUpdated": "2024-08-02T19:23:38.545Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2023-42450\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2023-09-19T16:15:12.897\",\"lastModified\":\"2024-11-21T08:22:33.413\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"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.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N\",\"baseScore\":5.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.2,\"impactScore\":2.7},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-113\"},{\"lang\":\"en\",\"value\":\"CWE-918\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:joinmastodon:mastodon:4.2.0:beta1:*:*:*:*:*:*\",\"matchCriteriaId\":\"D76FF8DD-B11D-4119-9B4E-32CE8365A25B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:joinmastodon:mastodon:4.2.0:beta2:*:*:*:*:*:*\",\"matchCriteriaId\":\"19DC8A22-E8EF-4FAB-B60E-64FE54AE0968\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:joinmastodon:mastodon:4.2.0:beta3:*:*:*:*:*:*\",\"matchCriteriaId\":\"1406EB6A-186B-4A9C-95F6-5EC509867C3C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:joinmastodon:mastodon:4.2.0:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"089015EE-D7E4-4370-B1ED-52283B06FF0A\"}]}]}],\"references\":[{\"url\":\"https://github.com/mastodon/mastodon/commit/94893cf24fc95b32cc7a756262acbe008c20a9d2\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/mastodon/mastodon/security/advisories/GHSA-hcqf-fw2r-52g4\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://github.com/mastodon/mastodon/commit/94893cf24fc95b32cc7a756262acbe008c20a9d2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/mastodon/mastodon/security/advisories/GHSA-hcqf-fw2r-52g4\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}" } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.