{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-005. Hashing is mishandled for certain retrieval of circuit data. Consequently. an attacker can trigger the use of an attacker-chosen circuit ID to cause algorithm inefficiency."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-07-10T04:06:20", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://gitlab.torproject.org/tpo/core/tor/-/issues/40391"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://blog.torproject.org/node/2041"}, {"name": "GLSA-202107-25", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/202107-25"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-34549", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-005. Hashing is mishandled for certain retrieval of circuit data. Consequently. an attacker can trigger the use of an attacker-chosen circuit ID to cause algorithm inefficiency."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://gitlab.torproject.org/tpo/core/tor/-/issues/40391", "refsource": "MISC", "url": "https://gitlab.torproject.org/tpo/core/tor/-/issues/40391"}, {"name": "https://blog.torproject.org/node/2041", "refsource": "CONFIRM", "url": "https://blog.torproject.org/node/2041"}, {"name": "GLSA-202107-25", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/202107-25"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:12:50.424Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://gitlab.torproject.org/tpo/core/tor/-/issues/40391"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://blog.torproject.org/node/2041"}, {"name": "GLSA-202107-25", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/202107-25"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-34549", "datePublished": "2021-06-29T11:08:22", "dateReserved": "2021-06-10T00:00:00", "dateUpdated": "2024-08-04T00:12:50.424Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*", "matchCriteriaId": "C2666B22-DC07-4BFA-A756-3DC4E970EBDD", "versionEndExcluding": "0.3.5.15", "vulnerable": true}, {"criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*", "matchCriteriaId": "072B35B0-7EBF-4652-BB89-12B4BEC9A8EF", "versionEndExcluding": "0.4.4.9", "versionStartIncluding": "0.4.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*", "matchCriteriaId": "57ED9234-622B-4B0D-8E29-2851A87DE0D1", "versionEndExcluding": "0.4.5.9", "versionStartIncluding": "0.4.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*", "matchCriteriaId": "EFD89230-DBEF-4134-9C42-8187CE542B7C", "versionEndExcluding": "0.4.6.5", "versionStartIncluding": "0.4.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-005. Hashing is mishandled for certain retrieval of circuit data. Consequently. an attacker can trigger the use of an attacker-chosen circuit ID to cause algorithm inefficiency."}, {"lang": "es", "value": "Se ha detectado un problema en Tor versiones anteriores a 0.4.6.5, tambi\u00e9n se conoce como TROVE-2021-005. Un hashing es manejado inapropiadamente para determinadas recuperaciones de datos del circuito. Consecuentemente, un atacante puede desencadenar un ID de circuito elegido por el atacante para causar ineficiencia en el algoritmo"}], "id": "CVE-2021-34549", "lastModified": "2024-11-21T06:10:39.140", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "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": "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"}]}, "published": "2021-06-29T12:15:08.643", "references": [{"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://blog.torproject.org/node/2041"}, {"source": "cve@mitre.org", "tags": ["Broken Link"], "url": "https://gitlab.torproject.org/tpo/core/tor/-/issues/40391"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202107-25"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://blog.torproject.org/node/2041"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://gitlab.torproject.org/tpo/core/tor/-/issues/40391"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202107-25"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}