Show plain JSON{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*", "matchCriteriaId": "A433651E-DAE8-44B3-AB2F-069776068357", "versionEndIncluding": "0.4.1.8", "vulnerable": true}, {"criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*", "matchCriteriaId": "2DE290F9-C6B7-4D2C-B7E5-CAB1E9D3A7E6", "versionEndIncluding": "0.4.2.6", "versionStartIncluding": "0.4.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [{"sourceIdentifier": "cve@mitre.org", "tags": ["disputed"]}], "descriptions": [{"lang": "en", "value": "The daemon in Tor through 0.4.1.8 and 0.4.2.x through 0.4.2.6 does not verify that a rendezvous node is known before attempting to connect to it, which might make it easier for remote attackers to discover circuit information. NOTE: The network team of Tor claims this is an intended behavior and not a vulnerability"}, {"lang": "es", "value": "** EN DISPUTA ** El demonio en Tor hasta la versi\u00f3n 0.4.1.8 y versiones 0.4.2.x hasta la versi\u00f3n 0.4.2.6, no comprueba que un nodo rendezvous sea conocido antes de intentar conectarse a \u00e9l, lo que podr\u00eda facilitar a atacantes remotos descubrir informaci\u00f3n del circuito. NOTA: El equipo de red de Tor afirma que este es un comportamiento previsto y no una vulnerabilidad."}], "id": "CVE-2020-8516", "lastModified": "2024-11-21T05:38:58.863", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-02-02T13:15:10.903", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.torproject.org/pipermail/tor-dev/2020-February/014146.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.torproject.org/pipermail/tor-dev/2020-February/014147.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security-tracker.debian.org/tracker/CVE-2020-8516"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://trac.torproject.org/projects/tor/ticket/33129"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Mitigation", "Technical Description", "Third Party Advisory"], "url": "https://www.hackerfactor.com/blog/index.php?/archives/868-Deanonymizing-Tor-Circuits.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.torproject.org/pipermail/tor-dev/2020-February/014146.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.torproject.org/pipermail/tor-dev/2020-February/014147.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security-tracker.debian.org/tracker/CVE-2020-8516"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://trac.torproject.org/projects/tor/ticket/33129"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mitigation", "Technical Description", "Third Party Advisory"], "url": "https://www.hackerfactor.com/blog/index.php?/archives/868-Deanonymizing-Tor-Circuits.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}