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141 lines
4.3 KiB
JSON
141 lines
4.3 KiB
JSON
{
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"id": "CVE-2021-34549",
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"sourceIdentifier": "cve@mitre.org",
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"published": "2021-06-29T12:15:08.643",
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"lastModified": "2022-07-12T17:42:04.277",
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"vulnStatus": "Analyzed",
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"descriptions": [
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{
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"lang": "en",
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"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."
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},
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{
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"lang": "es",
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"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"
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH",
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"baseScore": 7.5,
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"baseSeverity": "HIGH"
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},
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"exploitabilityScore": 3.9,
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"impactScore": 3.6
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}
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],
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"cvssMetricV2": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "2.0",
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"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
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"accessVector": "NETWORK",
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"accessComplexity": "LOW",
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"authentication": "NONE",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "PARTIAL",
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"baseScore": 5.0
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},
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"baseSeverity": "MEDIUM",
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"exploitabilityScore": 10.0,
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"impactScore": 2.9,
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"acInsufInfo": false,
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"obtainAllPrivilege": false,
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"obtainUserPrivilege": false,
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"obtainOtherPrivilege": false,
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"userInteractionRequired": false
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-400"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "0.3.5.15",
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"matchCriteriaId": "C2666B22-DC07-4BFA-A756-3DC4E970EBDD"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "0.4.0.0",
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"versionEndExcluding": "0.4.4.9",
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"matchCriteriaId": "072B35B0-7EBF-4652-BB89-12B4BEC9A8EF"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "0.4.5.0",
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"versionEndExcluding": "0.4.5.9",
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"matchCriteriaId": "57ED9234-622B-4B0D-8E29-2851A87DE0D1"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "0.4.6.0",
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"versionEndExcluding": "0.4.6.5",
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"matchCriteriaId": "EFD89230-DBEF-4134-9C42-8187CE542B7C"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://blog.torproject.org/node/2041",
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"source": "cve@mitre.org",
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"tags": [
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"Release Notes",
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"Vendor Advisory"
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]
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},
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{
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"url": "https://gitlab.torproject.org/tpo/core/tor/-/issues/40391",
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"source": "cve@mitre.org",
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"tags": [
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"Broken Link"
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]
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},
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{
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"url": "https://security.gentoo.org/glsa/202107-25",
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"source": "cve@mitre.org",
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"tags": [
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"Third Party Advisory"
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]
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}
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]
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} |