CVE-2021-37624

{"containers": {"cna": {"affected": [{"product": "freeswitch", "vendor": "signalwire", "versions": [{"status": "affected", "version": "< 1.10.7"}]}], "descriptions": [{"lang": "en", "value": "FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.10.7, FreeSWITCH does not authenticate SIP MESSAGE requests, leading to spam and message spoofing. By default, SIP requests of the type MESSAGE (RFC 3428) are not authenticated in the affected versions of FreeSWITCH. MESSAGE requests are relayed to SIP user agents registered with the FreeSWITCH server without requiring any authentication. Although this behaviour can be changed by setting the `auth-messages` parameter to `true`, it is not the default setting. Abuse of this security issue allows attackers to send SIP MESSAGE messages to any SIP user agent that is registered with the server without requiring authentication. Additionally, since no authentication is required, chat messages can be spoofed to appear to come from trusted entities. Therefore, abuse can lead to spam and enable social engineering, phishing and similar attacks. This issue is patched in version 1.10.7. Maintainers recommend that this SIP message type is authenticated by default so that FreeSWITCH administrators do not need to be explicitly set the `auth-messages` parameter. When following such a recommendation, a new parameter can be introduced to explicitly disable authentication."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "description": "CWE-287: Improper Authentication", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-10-26T17:06:02.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/signalwire/freeswitch/security/advisories/GHSA-mjcm-q9h8-9xv3"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/signalwire/freeswitch/releases/tag/v1.10.7"}, {"name": "[oss-security] 20211025 [ES2021-07] FreeSWITCH does not authenticate SIP MESSAGE requests, leading to spam and message spoofing", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2021/10/25/6"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/164628/FreeSWITCH-1.10.6-Missing-SIP-MESSAGE-Authentication.html"}, {"name": "20211026 [ES2021-07] FreeSWITCH does not authenticate SIP MESSAGE requests, leading to spam and message spoofing", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2021/Oct/44"}], "source": {"advisory": "GHSA-mjcm-q9h8-9xv3", "discovery": "UNKNOWN"}, "title": "FreeSWITCH does not authenticate SIP MESSAGE requests, leading to spam and message spoofing", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-37624", "STATE": "PUBLIC", "TITLE": "FreeSWITCH does not authenticate SIP MESSAGE requests, leading to spam and message spoofing"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "freeswitch", "version": {"version_data": [{"version_value": "< 1.10.7"}]}}]}, "vendor_name": "signalwire"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.10.7, FreeSWITCH does not authenticate SIP MESSAGE requests, leading to spam and message spoofing. By default, SIP requests of the type MESSAGE (RFC 3428) are not authenticated in the affected versions of FreeSWITCH. MESSAGE requests are relayed to SIP user agents registered with the FreeSWITCH server without requiring any authentication. Although this behaviour can be changed by setting the `auth-messages` parameter to `true`, it is not the default setting. Abuse of this security issue allows attackers to send SIP MESSAGE messages to any SIP user agent that is registered with the server without requiring authentication. Additionally, since no authentication is required, chat messages can be spoofed to appear to come from trusted entities. Therefore, abuse can lead to spam and enable social engineering, phishing and similar attacks. This issue is patched in version 1.10.7. Maintainers recommend that this SIP message type is authenticated by default so that FreeSWITCH administrators do not need to be explicitly set the `auth-messages` parameter. When following such a recommendation, a new parameter can be introduced to explicitly disable authentication."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-287: Improper Authentication"}]}]}, "references": {"reference_data": [{"name": "https://github.com/signalwire/freeswitch/security/advisories/GHSA-mjcm-q9h8-9xv3", "refsource": "CONFIRM", "url": "https://github.com/signalwire/freeswitch/security/advisories/GHSA-mjcm-q9h8-9xv3"}, {"name": "https://github.com/signalwire/freeswitch/releases/tag/v1.10.7", "refsource": "MISC", "url": "https://github.com/signalwire/freeswitch/releases/tag/v1.10.7"}, {"name": "[oss-security] 20211025 [ES2021-07] FreeSWITCH does not authenticate SIP MESSAGE requests, leading to spam and message spoofing", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2021/10/25/6"}, {"name": "http://packetstormsecurity.com/files/164628/FreeSWITCH-1.10.6-Missing-SIP-MESSAGE-Authentication.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/164628/FreeSWITCH-1.10.6-Missing-SIP-MESSAGE-Authentication.html"}, {"name": "20211026 [ES2021-07] FreeSWITCH does not authenticate SIP MESSAGE requests, leading to spam and message spoofing", "refsource": "FULLDISC", "url": "http://seclists.org/fulldisclosure/2021/Oct/44"}]}, "source": {"advisory": "GHSA-mjcm-q9h8-9xv3", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:23:01.358Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/signalwire/freeswitch/security/advisories/GHSA-mjcm-q9h8-9xv3"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/signalwire/freeswitch/releases/tag/v1.10.7"}, {"name": "[oss-security] 20211025 [ES2021-07] FreeSWITCH does not authenticate SIP MESSAGE requests, leading to spam and message spoofing", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2021/10/25/6"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/164628/FreeSWITCH-1.10.6-Missing-SIP-MESSAGE-Authentication.html"}, {"name": "20211026 [ES2021-07] FreeSWITCH does not authenticate SIP MESSAGE requests, leading to spam and message spoofing", "tags": ["mailing-list", "x_refsource_FULLDISC", "x_transferred"], "url": "http://seclists.org/fulldisclosure/2021/Oct/44"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-37624", "datePublished": "2021-10-25T16:10:10.000Z", "dateReserved": "2021-07-29T00:00:00.000Z", "dateUpdated": "2024-08-04T01:23:01.358Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "freeswitch", "vendor": "signalwire", "versions": [{"status": "affected", "version": "< 1.10.7"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:freeswitch:freeswitch:*:*:*:*:*:*:*:*", "matchCriteriaId": "AC84E752-644B-4E28-8E03-DA7B5C9C2521", "versionEndExcluding": "1.10.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.10.7, FreeSWITCH does not authenticate SIP MESSAGE requests, leading to spam and message spoofing. By default, SIP requests of the type MESSAGE (RFC 3428) are not authenticated in the affected versions of FreeSWITCH. MESSAGE requests are relayed to SIP user agents registered with the FreeSWITCH server without requiring any authentication. Although this behaviour can be changed by setting the `auth-messages` parameter to `true`, it is not the default setting. Abuse of this security issue allows attackers to send SIP MESSAGE messages to any SIP user agent that is registered with the server without requiring authentication. Additionally, since no authentication is required, chat messages can be spoofed to appear to come from trusted entities. Therefore, abuse can lead to spam and enable social engineering, phishing and similar attacks. This issue is patched in version 1.10.7. Maintainers recommend that this SIP message type is authenticated by default so that FreeSWITCH administrators do not need to be explicitly set the `auth-messages` parameter. When following such a recommendation, a new parameter can be introduced to explicitly disable authentication."}, {"lang": "es", "value": "FreeSWITCH es una pila de telecomunicaciones definida por software que permite la transformaci\u00f3n digital de los switches de telecomunicaciones propietarios a una implementaci\u00f3n de software que se ejecuta en cualquier hardware b\u00e1sico. Las versiones anteriores a 1.10.7, FreeSWITCH no autenticaba las peticiones SIP MESSAGE, conllevando a spam y falsificaci\u00f3n de mensajes. Por defecto, las peticiones SIP del tipo MESSAGE (RFC 3428) no son autenticadas en las versiones afectadas de FreeSWITCH. Las peticiones MESSAGE se retransmiten a los agentes de usuario SIP registrados en el servidor FreeSWITCH sin requerir ninguna autenticaci\u00f3n. Aunque este comportamiento puede ser cambiado estableciendo el par\u00e1metro \"auth-messages\" a \"true\", no es la configuraci\u00f3n predeterminada. El abuso de este problema de seguridad permite a atacantes enviar mensajes SIP MESSAGE a cualquier agente de usuario SIP que est\u00e9 registrado en el servidor sin requerir autenticaci\u00f3n. Adem\u00e1s, como no es requerida autenticaci\u00f3n, los mensajes de chat pueden ser falsificados para que parezcan proceder de entidades confiables. Por lo tanto, el abuso puede conllevar a spam y permitir la ingenier\u00eda social, el phishing y ataques similares. Este problema est\u00e1 parcheado en la versi\u00f3n 1.10.7. Los mantenedores recomiendan que este tipo de mensaje SIP sea autenticado por defecto para que los administradores de FreeSWITCH no necesiten establecer expl\u00edcitamente el par\u00e1metro \"auth-messages\". Cuando se siga esta recomendaci\u00f3n, es posible introducir un nuevo par\u00e1metro para deshabilitar expl\u00edcitamente la autenticaci\u00f3n"}], "id": "CVE-2021-37624", "lastModified": "2026-06-17T04:00:51.167", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-25T16:15:08.263", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/164628/FreeSWITCH-1.10.6-Missing-SIP-MESSAGE-Authentication.html"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2021/Oct/44"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/10/25/6"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/signalwire/freeswitch/releases/tag/v1.10.7"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/signalwire/freeswitch/security/advisories/GHSA-mjcm-q9h8-9xv3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/164628/FreeSWITCH-1.10.6-Missing-SIP-MESSAGE-Authentication.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2021/Oct/44"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/10/25/6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/signalwire/freeswitch/releases/tag/v1.10.7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/signalwire/freeswitch/security/advisories/GHSA-mjcm-q9h8-9xv3"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-306"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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