CVE-2023-43810

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{"affected": [{"affectedData": [{"product": "opentelemetry-python-contrib", "vendor": "open-telemetry", "versions": [{"status": "affected", "version": "< 0.41b0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:opentelemetry:opentelemetry:*:*:*:*:*:*:*:*", "matchCriteriaId": "A42C146C-19B1-44AE-94AB-9947D465623B", "versionEndExcluding": "0.41b0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenTelemetry, also known as OTel for short, is a vendor-neutral open-source Observability framework for instrumenting, generating, collecting, and exporting telemetry data such as traces, metrics, logs. Autoinstrumentation out of the box adds the label `http_method` that has unbound cardinality. It leads to the server's potential memory exhaustion when many malicious requests are sent. HTTP method for requests can be easily set by an attacker to be random and long. In order to be affected program has to be instrumented for HTTP handlers and does not filter any unknown HTTP methods on the level of CDN, LB, previous middleware, etc. This issue has been patched in version 0.41b0."}, {"lang": "es", "value": "OpenTelemetry, tambi\u00e9n conocido como OTel para abreviar, es un framework de observabilidad de c\u00f3digo abierto, independiente del proveedor, para instrumentar, generar, recopilar y exportar datos de telemetr\u00eda, como seguimientos, m\u00e9tricas y registros. La instrumentaci\u00f3n autom\u00e1tica lista para usar agrega la etiqueta `http_method` que tiene cardinalidad ilimitada. Conduce al posible agotamiento de la memoria del servidor cuando se env\u00edan muchas peticiones maliciosas. Un atacante puede configurar f\u00e1cilmente el m\u00e9todo HTTP para solicitudes para que sea aleatorio y largo. Para verse afectado, el programa debe estar instrumentado para controladores HTTP y no filtrar ning\u00fan m\u00e9todo HTTP desconocido en el nivel de CDN, LB, middleware anterior, etc. Este problema se solucion\u00f3 en la versi\u00f3n 0.41b0."}], "id": "CVE-2023-43810", "lastModified": "2026-06-17T06:26:29.493", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-43810", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-19T18:44:51.665115Z", "version": "2.0.3"}}]}, "published": "2023-10-06T14:15:12.267", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/open-telemetry/opentelemetry-python-contrib/commit/6007e0c013071e7f8b9612d3bc68aeb9d600d74e"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/open-telemetry/opentelemetry-python-contrib/releases/tag/v0.41b0"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/open-telemetry/opentelemetry-python-contrib/security/advisories/GHSA-5rv5-6h4r-h22v"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/open-telemetry/opentelemetry-python-contrib/commit/6007e0c013071e7f8b9612d3bc68aeb9d600d74e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://github.com/open-telemetry/opentelemetry-python-contrib/releases/tag/v0.41b0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/open-telemetry/opentelemetry-python-contrib/security/advisories/GHSA-5rv5-6h4r-h22v"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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