CVE-2022-37797

{"id": "CVE-2022-37797", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2022-09-12T15:15:08.170", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00002.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://redmine.lighttpd.net/issues/3165", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/202210-12", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.debian.org/security/2022/dsa-5243", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In lighttpd 1.4.65, mod_wstunnel does not initialize a handler function pointer if an invalid HTTP request (websocket handshake) is received. It leads to null pointer dereference which crashes the server. It could be used by an external attacker to cause denial of service condition."}, {"lang": "es", "value": "En lighttpd 1.4.65, la funci\u00f3n mod_wstunnel no inicializa un puntero de funci\u00f3n de manejador si es recibida una petici\u00f3n HTTP no v\u00e1lida (websocket handshake). Esto conlleva a una desreferencia de puntero null que hace que el servidor sea bloqueado. Podr\u00eda ser usado por un atacante externo para causar una condici\u00f3n de denegaci\u00f3n de servicio"}], "lastModified": "2022-12-03T01:11:34.457", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:lighttpd:lighttpd:1.4.65:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "723D083B-5909-420E-8618-9487635CECD3"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}