CVE-2020-2732

{"id": "CVE-2020-2732", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.3, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:M/Au:S/C:P/I:N/A:N", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 4.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "secalert_us@oracle.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 4.0, "exploitabilityScore": 1.3}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 4.0, "exploitabilityScore": 2.3}]}, "published": "2020-04-08T22:15:12.263", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1805135", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "secalert_us@oracle.com"}, {"url": "https://git.kernel.org/linus/07721feee46b4b248402133228235318199b05ec", "tags": ["Patch", "Third Party Advisory"], "source": "secalert_us@oracle.com"}, {"url": "https://git.kernel.org/linus/35a571346a94fb93b5b3b6a599675ef3384bc75c", "tags": ["Patch", "Third Party Advisory"], "source": "secalert_us@oracle.com"}, {"url": "https://git.kernel.org/linus/e71237d3ff1abf9f3388337cfebf53b96df2020d", "tags": ["Patch", "Third Party Advisory"], "source": "secalert_us@oracle.com"}, {"url": "https://linux.oracle.com/errata/ELSA-2020-5540.html", "tags": ["Third Party Advisory"], "source": "secalert_us@oracle.com"}, {"url": "https://linux.oracle.com/errata/ELSA-2020-5542.html", "tags": ["Third Party Advisory"], "source": "secalert_us@oracle.com"}, {"url": "https://linux.oracle.com/errata/ELSA-2020-5543.html", "tags": ["Third Party Advisory"], "source": "secalert_us@oracle.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html", "source": "secalert_us@oracle.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html", "source": "secalert_us@oracle.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html", "source": "secalert_us@oracle.com"}, {"url": "https://www.debian.org/security/2020/dsa-4667", "source": "secalert_us@oracle.com"}, {"url": "https://www.debian.org/security/2020/dsa-4698", "source": "secalert_us@oracle.com"}, {"url": "https://www.openwall.com/lists/oss-security/2020/02/25/3", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert_us@oracle.com"}, {"url": "https://www.spinics.net/lists/kvm/msg208259.html", "tags": ["Patch", "Third Party Advisory"], "source": "secalert_us@oracle.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1805135", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/linus/07721feee46b4b248402133228235318199b05ec", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/linus/35a571346a94fb93b5b3b6a599675ef3384bc75c", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/linus/e71237d3ff1abf9f3388337cfebf53b96df2020d", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://linux.oracle.com/errata/ELSA-2020-5540.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://linux.oracle.com/errata/ELSA-2020-5542.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://linux.oracle.com/errata/ELSA-2020-5543.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2020/dsa-4667", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2020/dsa-4698", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.openwall.com/lists/oss-security/2020/02/25/3", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.spinics.net/lists/kvm/msg208259.html", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "A flaw was discovered in the way that the KVM hypervisor handled instruction emulation for an L2 guest when nested virtualisation is enabled. Under some circumstances, an L2 guest may trick the L0 guest into accessing sensitive L1 resources that should be inaccessible to the L2 guest."}, {"lang": "es", "value": "Se detect\u00f3 un fallo en la manera en que el hipervisor de KVM manej\u00f3 la emulaci\u00f3n de instrucciones para un invitado L2 cuando la virtualizaci\u00f3n anidada est\u00e1 habilitada. En algunas circunstancias, un invitado L2 puede enga\u00f1ar al invitado L0 para que acceda a recursos L1 confidenciales que deber\u00edan estar inaccesibles para el invitado L2."}], "lastModified": "2024-11-21T05:26:06.910", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"}], "operator": "OR"}]}], "sourceIdentifier": "secalert_us@oracle.com"}