{ "id": "CVE-2020-10593", "sourceIdentifier": "cve@mitre.org", "published": "2020-03-23T13:15:13.033", "lastModified": "2023-02-03T19:36:15.470", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "Tor before 0.3.5.10, 0.4.x before 0.4.1.9, and 0.4.2.x before 0.4.2.7 allows remote attackers to cause a Denial of Service (memory leak), aka TROVE-2020-004. This occurs in circpad_setup_machine_on_circ because a circuit-padding machine can be negotiated twice on the same circuit." }, { "lang": "es", "value": "Tor versiones anteriores a 0.3.5.10, versiones 0.4.x anteriores a 0.4.1.9 y versiones 0.4.2.x anteriores a 0.4.2.7, permite a atacantes remotos causar una Denegaci\u00f3n de servicio (p\u00e9rdida de memoria), tambi\u00e9n se conoce como TROVE-2020-004. Esto ocurre en la funci\u00f3n circpad_setup_machine_on_circ porque una m\u00e1quina de circuit-padding se puede negociar dos veces en el mismo circuito." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-401" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*", "versionStartIncluding": "0.3.5", "versionEndExcluding": "0.3.5.10", "matchCriteriaId": "A0F32196-820B-417F-A8BA-C2F1EAC01717" }, { "vulnerable": true, "criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*", "versionStartExcluding": "0.4.1.0", "versionEndExcluding": "0.4.1.9", "matchCriteriaId": "D8DEF7C0-0B37-4339-8B96-63A5B817AA7C" }, { "vulnerable": true, "criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*", "versionStartExcluding": "0.4.2.0", "versionEndIncluding": "0.4.2.7", "matchCriteriaId": "990A6710-D662-4B46-8B1D-963F682CB234" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*", "matchCriteriaId": "40513095-7E6E-46B3-B604-C926F1BA3568" }, { "vulnerable": true, "criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493" } ] } ] } ], "references": [ { "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00045.html", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00052.html", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://security.gentoo.org/glsa/202003-50", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://trac.torproject.org/projects/tor/ticket/33619", "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Third Party Advisory" ] } ] }