CVE-2025-1131

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safe_asterisk script included with the Asterisk toolkit package. When Asterisk is started via this script (common in SysV init or FreePBX environments), it sources all .sh files located in /etc/asterisk/startup.d/ as root, without validating ownership or permissions.\n\n\nNon-root users with legitimate write access to /etc/asterisk can exploit this behaviour by placing malicious scripts in the startup.d directory, which will then execute with root privileges upon service restart."}, {"lang": "es", "value": "Una vulnerabilidad de escalada de privilegios local existe en el script safe_asterisk incluido con el paquete de herramientas de Asterisk. Cuando Asterisk se inicia a trav\u00e9s de este script (com\u00fan en entornos SysV init o FreePBX), carga todos los archivos .sh ubicados en /etc/asterisk/startup.d/ como root, sin validar la propiedad o los permisos.\n\nUsuarios no-root con acceso de escritura leg\u00edtimo a /etc/asterisk pueden explotar este comportamiento colocando scripts maliciosos en el directorio startup.d, los cuales se ejecutar\u00e1n entonces con privilegios de root al reiniciar el servicio."}], "id": "CVE-2025-1131", "lastModified": "2026-10-19T16:10:00.260", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "AMBER", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "PASSIVE", "valueDensity": "CONCENTRATED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:C/RE:H/U:Amber", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "HIGH"}, "source": "b7efe717-a805-47cf-8e9a-921fca0ce0ce", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-1131", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-09-24T03:55:15.207908Z", "version": "2.0.3"}}]}, "published": "2025-09-23T05:15:35.603", "references": [{"source": "b7efe717-a805-47cf-8e9a-921fca0ce0ce", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-v9q8-9j8m-5xwp"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00006.html"}], "sourceIdentifier": "b7efe717-a805-47cf-8e9a-921fca0ce0ce", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-427"}], "source": "b7efe717-a805-47cf-8e9a-921fca0ce0ce", "type": "Secondary"}]}

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{"created": "2025-09-23T16:03:28.071300+00:00", "updated": "2025-09-23T16:03:28.071388+00:00", "vendors": ["asterisk", "asterisk$PRODUCT$asterisk"]}