CVE-2020-14331

{"id": "CVE-2020-14331", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.6, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.7}]}, "published": "2020-09-15T19:15:12.667", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1858679", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://lists.openwall.net/linux-kernel/2020/07/29/234", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://www.openwall.com/lists/oss-security/2020/07/28/2", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1858679", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.openwall.net/linux-kernel/2020/07/29/234", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.openwall.com/lists/oss-security/2020/07/28/2", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-787"}]}, {"type": "Secondary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in the Linux kernel\u2019s implementation of the invert video code on VGA consoles when a local attacker attempts to resize the console, calling an ioctl VT_RESIZE, which causes an out-of-bounds write to occur. This flaw allows a local user with access to the VGA console to crash the system, potentially escalating their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en la implementaci\u00f3n del kernel de Linux del c\u00f3digo de video invertido en consolas VGA cuando un atacante local intenta cambiar el tama\u00f1o de la consola, llamando un ioctl VT_RESIZE, lo que causa una escritura fuera de l\u00edmites. Este fallo permite a un usuario local con acceso a la consola VGA bloquear el sistema, escalando potencialmente sus privilegios en el sistema. La mayor amenaza de esta vulnerabilidad es la confidencialidad e integridad de los datos, as\u00ed como la disponibilidad del sistema"}], "lastModified": "2024-11-21T05:03:01.643", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "72E6465E-D745-4617-A1EC-B881A2A3BB6D", "versionEndIncluding": "5.7.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.8.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "937239B6-1959-4099-AA57-039A3A661BE8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.8.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "36DDFE55-065B-4549-A2EF-4F3C3015C7E3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.8.0:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1A8D373F-782F-41EC-AAC9-BB62BE3FDC00"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.8.0:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5595D162-7A55-4223-9A78-7AAEFDA5B8D2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.8.0:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "49E44009-A5C4-411E-B457-3634AFC4049C"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.8.0:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8C34E334-530F-47D2-BEB4-1FAAB75B4401"}], "operator": "OR"}]}, {"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@redhat.com"}