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119 lines
3.7 KiB
JSON
119 lines
3.7 KiB
JSON
{
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"id": "CVE-2018-12885",
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"sourceIdentifier": "cve@mitre.org",
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"published": "2018-08-07T15:29:00.733",
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"lastModified": "2018-10-18T14:40:50.460",
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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": "The randMod() function of the smart contract implementation for MyCryptoChamp, an Ethereum game, generates a random value with publicly readable variables such as the current block information and a private variable, (which can be read with a getStorageAt call). Therefore, attackers can get powerful champs/items and get rewards."
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},
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{
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"lang": "es",
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"value": "La funci\u00f3n randMod() de una implementaci\u00f3n de contrato inteligente de MyCryptoChamp, un juego de Ethereum, genera un valor aleatorio con variables legibles globalmente como la informaci\u00f3n de bloque actual y una variable privada (que se puede leer con una llamada getStorageAt). Por lo tanto, los atacantes pueden obtener champs/objetos poderosos y obtener recompensas."
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}
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],
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"metrics": {
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"cvssMetricV30": [
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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": "3.0",
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"vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
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"attackVector": "NETWORK",
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"attackComplexity": "HIGH",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "NONE",
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"availabilityImpact": "NONE",
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"baseScore": 5.9,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 2.2,
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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:M/Au:N/C:P/I:N/A:N",
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"accessVector": "NETWORK",
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"accessComplexity": "MEDIUM",
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"authentication": "NONE",
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"confidentialityImpact": "PARTIAL",
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"integrityImpact": "NONE",
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"availabilityImpact": "NONE",
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"baseScore": 4.3
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},
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"baseSeverity": "MEDIUM",
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"exploitabilityScore": 8.6,
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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-338"
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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:mycryptochamp:mycryptochamp:-:*:*:*:*:*:*:*",
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"matchCriteriaId": "DAD14618-E5CC-4A83-961E-E738CD498724"
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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://etherscan.io/address/0x689FB61845488297dfE7586E5f7956475955d2Dc",
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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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"url": "https://etherscan.io/address/0xa44e464b13280340904ffef0a65b8a0033460430",
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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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"url": "https://medium.com/coinmonks/get-legendary-items-by-breaking-pnrg-of-mycyptochamp-an-ethereum-online-game-cve-2018-12855-6e6beb41b8df",
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"source": "cve@mitre.org",
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"tags": [
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"Exploit",
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"Third Party Advisory"
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]
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}
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]
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} |