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Prior to versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk, SIP requests of the type MESSAGE (RFC 3428) authentication do not get proper alignment. An authenticated attacker can spoof any user identity to send spam messages to the user with their authorization token. Abuse of this security issue allows authenticated attackers to send fake chat messages can be spoofed to appear to come from trusted entities. Even administrators who follow Security best practices and Security Considerations can be impacted. Therefore, abuse can lead to spam and enable social engineering, phishing and similar attacks. Versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk fix the issue."}, {"lang": "es", "value": "Asterisk es una centralita privada (PBX) de c\u00f3digo abierto. En versiones anteriores a las 18.26.2, 20.14.1, 21.9.1 y 22.4.1 de Asterisk, y a las versiones 18.9-cert14 y 20.7-cert5 de Asterisk certificado, las solicitudes SIP con autenticaci\u00f3n de tipo MESSAGE (RFC 3428) no se alineaban correctamente. Un atacante autenticado puede suplantar la identidad de cualquier usuario para enviarle spam con su token de autorizaci\u00f3n. El abuso de este problema de seguridad permite a los atacantes autenticados enviar mensajes de chat falsos, que pueden falsificarse para que parezcan provenir de entidades de confianza. Incluso los administradores que siguen las mejores pr\u00e1cticas y consideraciones de seguridad pueden verse afectados. Por lo tanto, el abuso puede generar spam y facilitar la ingenier\u00eda social, el phishing y ataques similares. Las versiones 18.26.2, 20.14.1, 21.9.1 y 22.4.1 de Asterisk y las versiones 18.9-cert14 y 20.7-cert5 de certified-asterisk solucionan el problema."}], "id": "CVE-2025-47779", "lastModified": "2025-11-03T20:19:05.613", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 4.0, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-05-22T17:15:24.730", "references": [{"source": "security-advisories@github.com", "tags": ["Product"], "url": "https://github.com/asterisk/asterisk/blob/master/configs/samples/pjsip.conf.sample"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-2grh-7mhv-fcfw"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/06/msg00003.html"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-140"}, {"lang": "en", "value": "CWE-792"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "Using malformed From header can forge identity with \";\" or NULL in name portion", "id": "2368030", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2368030"}, "csaw": false, "cwe": "(CWE-140|CWE-792)", "details": ["Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk, SIP requests of the type MESSAGE (RFC 3428) authentication do not get proper alignment. An authenticated attacker can spoof any user identity to send spam messages to the user with their authorization token. Abuse of this security issue allows authenticated attackers to send fake chat messages can be spoofed to appear to come from trusted entities. Even administrators who follow Security best practices and Security Considerations can be impacted. Therefore, abuse can lead to spam and enable social engineering, phishing and similar attacks. Versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk fix the issue."], "name": "CVE-2025-47779", "public_date": "2025-05-22T16:54:26Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-47779"], "threat_severity": "Important"}

{"created": "2025-06-24T09:44:18.921461+00:00", "updated": "2025-06-24T09:44:18.921509+00:00", "vendors": ["asterisk", "asterisk$PRODUCT$asterisk", "asterisk$PRODUCT$certified_asterisk"]}