CVE-2025-68474

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In versions 5.5.1, 5.4.3, 5.3.4, 5.2.6, 5.1.6, and earlier, in the avrc_vendor_msg() function of the ESP-IDF BlueDroid AVRCP stack, the allocated buffer size was validated using AVRC_MIN_CMD_LEN (20 bytes). However, the actual fixed header data written before the vendor payload exceeds this value. This totals 29 bytes written before p_msg->p_vendor_data is copied. Using the old AVRC_MIN_CMD_LEN could allow an out-of-bounds write if vendor_len approaches the buffer limit. For commands where vendor_len is large, the original buffer allocation may be insufficient, causing writes beyond the allocated memory. This can lead to memory corruption, crashes, or other undefined behavior. The overflow could be larger when assertions are disabled."}, {"lang": "es", "value": "ESF-IDF es el Framework de Desarrollo de Internet de las Cosas (IoT) de Espressif. En las versiones 5.5.1, 5.4.3, 5.3.4, 5.2.6, 5.1.6 y anteriores, en la funci\u00f3n avrc_vendor_msg() de la pila BlueDroid AVRCP de ESP-IDF, el tama\u00f1o del b\u00fafer asignado fue validado usando AVRC_MIN_CMD_LEN (20 bytes). Sin embargo, los datos reales del encabezado fijo escritos antes de la carga \u00fatil del proveedor exceden este valor. Esto suma 29 bytes escritos antes de que se copie p_msg -> p_vendor_data. Usar el antiguo AVRC_MIN_CMD_LEN podr\u00eda permitir una escritura fuera de l\u00edmites si vendor_len se acerca al l\u00edmite del b\u00fafer. Para comandos donde vendor_len es grande, la asignaci\u00f3n original del b\u00fafer puede ser insuficiente, causando escrituras m\u00e1s all\u00e1 de la memoria asignada. Esto puede llevar a corrupci\u00f3n de memoria, fallos u otro comportamiento indefinido. El desbordamiento podr\u00eda ser mayor cuando las aserciones est\u00e1n deshabilitadas."}], "id": "CVE-2025-68474", "lastModified": "2026-10-07T13:10:00.713", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.7, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.1, "baseSeverity": "MEDIUM", "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": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:L/SI:L/SA:L/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:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-68474", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-12-29T16:43:54.191900Z", "version": "2.0.3"}}]}, "published": "2025-12-27T00:15:42.490", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/espressif/esp-idf/commit/0b0b59f2e19cb99dfa1b28c284d1c5c1d276a132"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/espressif/esp-idf/commit/565fa98d0cfd58102204c1cb636747e17ee59845"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/espressif/esp-idf/commit/8262ee807d5cd425f66304f703eeb3382fb888c0"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/espressif/esp-idf/commit/a6c1bc5e3e91ad1cb964ce2c178ee40a5d10a4a0"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/espressif/esp-idf/commit/aa0e3d75db995b7137b55349fc92ee684b47092d"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/espressif/esp-idf/commit/b9ba1e29b65536ab4b670ac099585d09adce0376"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/espressif/esp-idf/security/advisories/GHSA-43gh-7r4f-qp57"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"created": "2025-12-29T22:33:28.614688+00:00", "updated": "2025-12-29T22:33:28.614716+00:00", "vendors": ["espressif", "espressif$PRODUCT$esp-idf"]}