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# Arbitrary Code Execution in the Universal Turing Machine
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{"id": "D6D395AE-2DA8-5231-A901-B4C7DC4CF7D8", "vendorId": null, "type": "githubexploit", "bulletinFamily": "exploit", "title": "Exploit for Improper Input Validation in Mit Universal Turing Machine", "description": "# Arbitrary Code Execution in the Universal Turing Machine\n\nThis...", "published": "2021-01-21T10:39:42", "modified": "2022-06-17T07:20:54", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 7.2}, "severity": "HIGH", "exploitabilityScore": 3.9, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}, "href": "", "reporter": "", "references": [], "cvelist": ["CVE-2021-32471"], "immutableFields": [], "lastseen": "2022-06-17T13:51:18", "viewCount": 52, "enchantments": {"dependencies": {"references": [{"type": "cve", "idList": ["CVE-2021-32471"]}], "rev": 4}, "score": {"value": 5.9, "vector": "NONE"}, "backreferences": {"references": [{"type": "cve", "idList": ["CVE-2021-32471"]}, {"type": "kitploit", "idList": ["KITPLOIT:3449843613571411531"]}, {"type": "threatpost", "idList": ["THREATPOST:99DC4B497599503D640FDFD9A2DC5FA3"]}]}, "exploitation": null, "vulnersScore": 5.9}, "_state": {"dependencies": 0}, "_internal": {}, "privateArea": 1}
{"attackerkb": [{"lastseen": "2022-06-15T19:59:25", "description": "Insufficient input validation in the Marvin Minsky 1967 implementation of the Universal Turing Machine allows program users to execute arbitrary code via crafted data. For example, a tape head may have an unexpected location after the processing of input composed of As and Bs (instead of 0s and 1s). NOTE: the discoverer states \u201cthis vulnerability has no real-world implications.\u201d\n\n \n**Recent assessments:** \n \nAssessed Attacker Value: 0 \nAssessed Attacker Value: 0Assessed Attacker Value: 0\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-05-10T00:00:00", "type": "attackerkb", "title": "CVE-2021-32471", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32471"], "modified": "2021-05-20T00:00:00", "id": "AKB:7C287105-476D-4F02-B092-B7AA4A0C8A2E", "href": "https://attackerkb.com/topics/FTCohcOQ1P/cve-2021-32471", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "cve": [{"lastseen": "2022-03-23T18:23:10", "description": "Insufficient input validation in the Marvin Minsky 1967 implementation of the Universal Turing Machine allows program users to execute arbitrary code via crafted data. For example, a tape head may have an unexpected location after the processing of input composed of As and Bs (instead of 0s and 1s). NOTE: the discoverer states \"this vulnerability has no real-world implications.\"", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-05-10T05:15:00", "type": "cve", "title": "CVE-2021-32471", "cwe": ["CWE-20"], "bulletinFamily": "NVD", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32471"], "modified": "2021-05-19T18:40:00", "cpe": ["cpe:/a:mit:universal_turing_machine:-"], "id": "CVE-2021-32471", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-32471", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}, "cpe23": ["cpe:2.3:a:mit:universal_turing_machine:-:*:*:*:*:*:*:*"]}]}