Show plain JSON{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*", "matchCriteriaId": "1A6CE3E9-8C2E-4E08-AC08-94F602216EDD", "versionEndExcluding": "2.28.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*", "matchCriteriaId": "9CEA3354-400D-4AEA-B821-1D30FCA4C657", "versionEndExcluding": "3.2.0", "versionStartIncluding": "3.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Mbed TLS before 2.28.1 and 3.x before 3.2.0. In some configurations, an unauthenticated attacker can send an invalid ClientHello message to a DTLS server that causes a heap-based buffer over-read of up to 255 bytes. This can cause a server crash or possibly information disclosure based on error responses. Affected configurations have MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE enabled and MBEDTLS_SSL_IN_CONTENT_LEN less than a threshold that depends on the configuration: 258 bytes if using mbedtls_ssl_cookie_check, and possibly up to 571 bytes with a custom cookie check function."}, {"lang": "es", "value": "Se ha descubierto un problema en Mbed TLS antes de la versi\u00f3n 2.28.1 y 3.x antes de la 3.2.0. En algunas configuraciones, un atacante no autenticado puede enviar un mensaje ClientHello no v\u00e1lido a un servidor DTLS que provoca una sobrelectura del b\u00fafer basada en el mont\u00f3n de hasta 255 bytes. Esto puede causar una ca\u00edda del servidor o posiblemente la divulgaci\u00f3n de informaci\u00f3n basada en las respuestas de error. Las configuraciones afectadas tienen MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE habilitado y MBEDTLS_SSL_IN_CONTENT_LEN menos que un umbral que depende de la configuraci\u00f3n: 258 bytes si se utiliza mbedtls_ssl_cookie_check, y posiblemente hasta 571 bytes con una funci\u00f3n de comprobaci\u00f3n de cookies personalizada"}], "id": "CVE-2022-35409", "lastModified": "2024-11-21T07:11:07.183", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-07-15T14:15:09.840", "references": [{"source": "cve@mitre.org", "tags": ["Release Notes"], "url": "https://github.com/Mbed-TLS/mbedtls/releases"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://mbed-tls.readthedocs.io/en/latest/security-advisories/advisories/mbedtls-security-advisory-2022-07.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://github.com/Mbed-TLS/mbedtls/releases"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://mbed-tls.readthedocs.io/en/latest/security-advisories/advisories/mbedtls-security-advisory-2022-07.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]} 
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