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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "matchCriteriaId": "37A49175-42F7-433A-82A0-59D9A969E731", "versionEndIncluding": "5.1.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A reachable assertion issue was found in the USB EHCI emulation code of QEMU. It could occur while processing USB requests due to missing handling of DMA memory map failure. A malicious privileged user within the guest may abuse this flaw to send bogus USB requests and crash the QEMU process on the host, resulting in a denial of service."}, {"lang": "es", "value": "Se encontr\u00f3 un problema de aserci\u00f3n alcanzable en el c\u00f3digo de emulaci\u00f3n USB EHCI de QEMU. Podr\u00eda ocurrir mientras se procesan las peticiones USB debido a una falta de manejo del fallo del mapa de memoria DMA. Un usuario privilegiado malicioso dentro del invitado puede abusar de este fallo para enviar peticiones USB falsas y bloquear el proceso QEMU en el host, resultando en una denegaci\u00f3n de servicio"}], "id": "CVE-2020-25723", "lastModified": "2022-09-30T19:19:34.610", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 3.2, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.5, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-12-02T01:15:12.733", "references": [{"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2020/12/22/1"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1898579"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20201218-0004/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-617"}], "source": "secalert@redhat.com", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-617"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

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