{"containers": {"cna": {"affected": [{"product": "Desktop", "vendor": "Parallels", "versions": [{"status": "affected", "version": "15.1.5-47309"}]}], "credits": [{"lang": "en", "value": "Reno Robert of Trend Micro Zero Day Initiative"}], "descriptions": [{"lang": "en", "value": "This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 15.1.5-47309. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the IDE virtual device. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-13186."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-122", "description": "CWE-122: Heap-based Buffer Overflow", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-04-29T16:31:10", "orgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "shortName": "zdi"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://kb.parallels.com/en/125013"}, {"tags": ["x_refsource_MISC"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-436/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "zdi-disclosures@trendmicro.com", "ID": "CVE-2021-31428", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Desktop", "version": {"version_data": [{"version_value": "15.1.5-47309"}]}}]}, "vendor_name": "Parallels"}]}}, "credit": "Reno Robert of Trend Micro Zero Day Initiative", "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 15.1.5-47309. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the IDE virtual device. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-13186."}]}, "impact": {"cvss": {"vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-122: Heap-based Buffer Overflow"}]}]}, "references": {"reference_data": [{"name": "https://kb.parallels.com/en/125013", "refsource": "MISC", "url": "https://kb.parallels.com/en/125013"}, {"name": "https://www.zerodayinitiative.com/advisories/ZDI-21-436/", "refsource": "MISC", "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-436/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T22:55:53.738Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://kb.parallels.com/en/125013"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-436/"}]}]}, "cveMetadata": {"assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "assignerShortName": "zdi", "cveId": "CVE-2021-31428", "datePublished": "2021-04-29T16:31:11", "dateReserved": "2021-04-16T00:00:00", "dateUpdated": "2024-08-03T22:55:53.738Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:parallels:parallels_desktop:15.1.5-47309:*:*:*:*:*:*:*", "matchCriteriaId": "F4E10BFA-233E-4788-A6B6-38DFE6FE2740", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 15.1.5-47309. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the IDE virtual device. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-13186."}, {"lang": "es", "value": "Esta vulnerabilidad permite a atacantes locales escalar privilegios en las instalaciones afectadas de Parallels Desktop versi\u00f3n 15.1.5-47309. Un atacante primero debe obtener la capacidad de ejecutar c\u00f3digo muy privilegiado en el sistema invitado objetivo para explotar esta vulnerabilidad. El fallo espec\u00edfico se presenta dentro del dispositivo virtual IDE. El problema es debido a una falta de comprobaci\u00f3n apropiada de la longitud de los datos suministrados por el usuario antes de copiarlos en un b\u00fafer en la regi\u00f3n heap de la memoria de longitud fija. Un atacante puede aprovechar esta vulnerabilidad para escalar privilegios y ejecutar c\u00f3digo arbitrario en el contexto del hypervisor. Fue ZDI-CAN-13186"}], "id": "CVE-2021-31428", "lastModified": "2021-05-06T13:28:28.297", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.5, "impactScore": 6.0, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.5, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-29T17:15:09.497", "references": [{"source": "zdi-disclosures@trendmicro.com", "tags": ["Vendor Advisory"], "url": "https://kb.parallels.com/en/125013"}, {"source": "zdi-disclosures@trendmicro.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-436/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "zdi-disclosures@trendmicro.com", "type": "Primary"}]}

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