CVE-2022-0217

{"containers": {"cna": {"affected": [{"product": "prosody", "vendor": "n/a", "versions": [{"status": "affected", "version": "Fixed in prosody 0.11.12, Affects all versions with support for WebSockets."}]}], "descriptions": [{"lang": "en", "value": "It was discovered that an internal Prosody library to load XML based on libexpat does not properly restrict the XML features allowed in parsed XML data. Given suitable attacker input, this results in expansion of recursive entity references from DTDs (CWE-776). In addition, depending on the libexpat version used, it may also allow injections using XML External Entity References (CWE-611)."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-776", "description": "CWE-776 - Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion'), CWE-20 - Improper Input Validation.", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-08-26T17:25:47.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2040639"}, {"tags": ["x_refsource_MISC"], "url": "https://prosody.im/security/advisory_20220113/"}, {"tags": ["x_refsource_MISC"], "url": "https://prosody.im/security/advisory_20220113/1.patch"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2022-0217", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "prosody", "version": {"version_data": [{"version_value": "Fixed in prosody 0.11.12, Affects all versions with support for WebSockets."}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "It was discovered that an internal Prosody library to load XML based on libexpat does not properly restrict the XML features allowed in parsed XML data. Given suitable attacker input, this results in expansion of recursive entity references from DTDs (CWE-776). In addition, depending on the libexpat version used, it may also allow injections using XML External Entity References (CWE-611)."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-776 - Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion'), CWE-20 - Improper Input Validation."}]}]}, "references": {"reference_data": [{"name": "https://bugzilla.redhat.com/show_bug.cgi?id=2040639", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2040639"}, {"name": "https://prosody.im/security/advisory_20220113/", "refsource": "MISC", "url": "https://prosody.im/security/advisory_20220113/"}, {"name": "https://prosody.im/security/advisory_20220113/1.patch", "refsource": "MISC", "url": "https://prosody.im/security/advisory_20220113/1.patch"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:18:42.807Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2040639"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://prosody.im/security/advisory_20220113/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://prosody.im/security/advisory_20220113/1.patch"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2022-0217", "datePublished": "2022-08-26T17:25:47.000Z", "dateReserved": "2022-01-13T00:00:00.000Z", "dateUpdated": "2024-08-02T23:18:42.807Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "prosody", "vendor": "n/a", "versions": [{"status": "affected", "version": "Fixed in prosody 0.11.12, Affects all versions with support for WebSockets."}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:*", "matchCriteriaId": "98D7D5B7-A0FE-4E89-88AA-F7B83ECD4F90", "versionEndExcluding": "0.11.12", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "It was discovered that an internal Prosody library to load XML based on libexpat does not properly restrict the XML features allowed in parsed XML data. Given suitable attacker input, this results in expansion of recursive entity references from DTDs (CWE-776). In addition, depending on the libexpat version used, it may also allow injections using XML External Entity References (CWE-611)."}, {"lang": "es", "value": "Se ha detectado que una biblioteca interna de Prosody para cargar XML basada en libexpat no restringe apropiadamente las funcionalidades XML permitidas en los datos XML analizados. Dada la entrada apropiada del atacante, esto resulta en la expansi\u00f3n de referencias de entidades recursivas de DTDs (CWE-776). Adem\u00e1s, dependiendo de la versi\u00f3n de libexpat usada, tambi\u00e9n puede permitir inyecciones usando referencias de entidades externas XML (CWE-611)."}], "id": "CVE-2022-0217", "lastModified": "2026-06-17T04:20:10.290", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-08-26T18:15:08.833", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2040639"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "https://prosody.im/security/advisory_20220113/"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://prosody.im/security/advisory_20220113/1.patch"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2040639"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "https://prosody.im/security/advisory_20220113/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://prosody.im/security/advisory_20220113/1.patch"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-776"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-611"}, {"lang": "en", "value": "CWE-776"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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