CVE-2024-38373

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{"affected": [{"affectedData": [{"product": "FreeRTOS-Plus-TCP", "vendor": "FreeRTOS", "versions": [{"status": "affected", "version": ">= 4.0.0, <= 4.1.0"}]}], "source": "security-advisories@github.com"}, {"affectedData": [{"cpes": ["cpe:2.3:a:amazon:freertos-plus-tcp:4.0.0:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "freertos-plus-tcp", "vendor": "amazon", "versions": [{"lessThan": "4.1.1", "status": "affected", "version": "4.0.0", "versionType": "custom"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:amazon:freertos-plus-tcp:*:*:*:*:*:*:*:*", "matchCriteriaId": "17A4C4F8-3EC2-422D-BAC6-224E3FC2DEE5", "versionEndExcluding": "4.1.1", "versionStartIncluding": "4.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "FreeRTOS-Plus-TCP is a lightweight TCP/IP stack for FreeRTOS. FreeRTOS-Plus-TCP versions 4.0.0 through 4.1.0 contain a buffer over-read issue in the DNS Response Parser when parsing domain names in a DNS response. A carefully crafted DNS response with domain name length value greater than the actual domain name length, could cause the parser to read beyond the DNS response buffer. This issue affects applications using DNS functionality of the FreeRTOS-Plus-TCP stack. Applications that do not use DNS functionality are not affected, even when the DNS functionality is enabled. This vulnerability has been patched in version 4.1.1."}, {"lang": "es", "value": "FreeRTOS-Plus-TCP es una pila TCP/IP ligera para FreeRTOS. Las versiones 4.0.0 a 4.1.0 de FreeRTOS-Plus-TCP contienen un problema de sobrelectura del b\u00fafer en el analizador de respuesta DNS al analizar nombres de dominio en una respuesta DNS. Una respuesta DNS cuidadosamente manipulada con un valor de longitud del nombre de dominio mayor que la longitud real del nombre de dominio podr\u00eda hacer que el analizador lea m\u00e1s all\u00e1 del b\u00fafer de respuesta DNS. Este problema afecta a las aplicaciones que utilizan la funcionalidad DNS de la pila FreeRTOS-Plus-TCP. Las aplicaciones que no utilizan la funcionalidad DNS no se ven afectadas, incluso cuando la funcionalidad DNS est\u00e1 habilitada. Esta vulnerabilidad ha sido parcheada en la versi\u00f3n 4.1.1."}], "id": "CVE-2024-38373", "lastModified": "2026-06-17T07:40:00.980", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 5.8, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-38373", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-07-05T14:20:06.049891Z", "version": "2.0.3"}}]}, "published": "2024-06-24T17:15:10.830", "references": [{"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.1.1"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-ppcp-rg65-58mv"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.1.1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-ppcp-rg65-58mv"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-126"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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