Show plain JSON{"id": "CVE-2017-8820", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/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": "2017-12-03T07:29:00.333", "references": [{"url": "https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516", "tags": ["Vendor Advisory"], "source": "security@debian.org"}, {"url": "https://bugs.torproject.org/24245", "tags": ["Vendor Advisory"], "source": "security@debian.org"}, {"url": "https://www.debian.org/security/2017/dsa-4054", "tags": ["Third Party Advisory"], "source": "security@debian.org"}, {"url": "https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugs.torproject.org/24245", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2017/dsa-4054", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, remote attackers can cause a denial of service (NULL pointer dereference and application crash) against directory authorities via a malformed descriptor, aka TROVE-2017-010."}, {"lang": "es", "value": "En Tor, en versiones anteriores a la 0.2.5.16; de la versi\u00f3n 0.2.6 hasta la 0.2.8 anterior a la 0.2.8.17, versiones 0.2.9 anteriores a la 0.2.9.14; versiones 0.3.0 anteriores a la 0.3.0.13 y versiones 0.3.1 anteriores a la 0.3.1.9, los atacantes remotos pueden provocar una denegaci\u00f3n de servicio (desreferencia de puntero NULL y cierre inesperado de la aplicaci\u00f3n) contra autoridades de directorio mediante un descriptor mal formado. Esto tambi\u00e9n se conoce como TROVE-2017-010."}], "lastModified": "2025-04-20T01:37:25.860", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "067DE048-F786-4E63-98E6-6FD6415DD3A5", "versionEndExcluding": "0.2.5.16"}, {"criteria": "cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5372249B-59F8-4866-B4D3-F52980FCC269", "versionEndExcluding": "0.2.8.17", "versionStartIncluding": "0.2.6"}, {"criteria": "cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E0739CCD-DE8F-4A44-91CD-986C4644045F", "versionEndExcluding": "0.2.9.14", "versionStartIncluding": "0.2.9"}, {"criteria": "cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E623D0FC-453C-4D7A-8328-C4C252EEC976", "versionEndExcluding": "0.3.0.13", "versionStartIncluding": "0.3.0"}, {"criteria": "cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "249879F0-6A12-41C2-9559-020021080696", "versionEndExcluding": "0.3.1.9", "versionStartIncluding": "0.3.1"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}], "sourceIdentifier": "security@debian.org"} 