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Una vulnerabilidad dif\u00edcilmente explotable permite que un atacante con bajos privilegios con acceso al segmento f\u00edsico de comunicaci\u00f3n conectado al hardware en el que se ejecuta MySQL Server comprometa la seguridad de MySQL Server. Los ataques exitosos a esta vulnerabilidad pueden resultar en el acceso no autorizado de creaci\u00f3n, eliminaci\u00f3n o modificaci\u00f3n a datos cr\u00edticos o a todos los datos accesibles de MySQL Server, as\u00ed como la capacidad no autorizada de provocar un bloqueo o un cierre inesperado, con frecuencia y de manera repetida (DOS completo) de MySQL Server. CVSS 3.0 Base Score 6.4 (Impactos de confidencialidad y disponibilidad). 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{"affected_release": [{"advisory": "RHSA-2019:2327", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "mariadb-1:5.5.64-1.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-08-06T00:00:00Z"}, {"advisory": "RHSA-2019:2511", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "mysql:8.0-8000020190807131617.f8e95b4e", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-08-15T00:00:00Z"}, {"advisory": "RHSA-2019:1258", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el6", "package": "rh-mariadb102-galera-0:25.3.25-1.el6", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6", "release_date": "2019-05-21T00:00:00Z"}, {"advisory": "RHSA-2019:1258", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el6", "package": "rh-mariadb102-mariadb-1:10.2.22-1.el6", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6", "release_date": "2019-05-21T00:00:00Z"}, {"advisory": "RHSA-2019:1258", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-mariadb102-galera-0:25.3.25-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2019-05-21T00:00:00Z"}, {"advisory": "RHSA-2019:1258", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-mariadb102-mariadb-1:10.2.22-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2019-05-21T00:00:00Z"}, {"advisory": "RHSA-2019:2484", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-mysql80-mysql-0:8.0.17-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2019-08-14T00:00:00Z"}, {"advisory": "RHSA-2019:1258", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-mariadb102-galera-0:25.3.25-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS", "release_date": "2019-05-21T00:00:00Z"}, {"advisory": "RHSA-2019:1258", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-mariadb102-mariadb-1:10.2.22-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS", "release_date": "2019-05-21T00:00:00Z"}, {"advisory": "RHSA-2019:2484", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-mysql80-mysql-0:8.0.17-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS", "release_date": "2019-08-14T00:00:00Z"}, {"advisory": "RHSA-2019:1258", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-mariadb102-galera-0:25.3.25-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS", "release_date": "2019-05-21T00:00:00Z"}, {"advisory": "RHSA-2019:1258", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-mariadb102-mariadb-1:10.2.22-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS", "release_date": "2019-05-21T00:00:00Z"}, {"advisory": "RHSA-2019:2484", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-mysql80-mysql-0:8.0.17-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS", "release_date": "2019-08-14T00:00:00Z"}, {"advisory": "RHSA-2019:1258", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-mariadb102-galera-0:25.3.25-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2019-05-21T00:00:00Z"}, {"advisory": "RHSA-2019:1258", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-mariadb102-mariadb-1:10.2.22-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2019-05-21T00:00:00Z"}, {"advisory": "RHSA-2019:2484", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-mysql80-mysql-0:8.0.17-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2019-08-14T00:00:00Z"}, {"advisory": "RHSA-2019:2484", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-mysql80-mysql-0:8.0.17-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS", "release_date": "2019-08-14T00:00:00Z"}], "bugzilla": {"description": "mysql: Server: Connection Handling unspecified vulnerability (CPU Jan 2019)", "id": "1666749", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1666749"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.4", "cvss3_scoring_vector": "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H", "status": "verified"}, "details": ["Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Connection Handling). Supported versions that are affected are 5.6.42 and prior, 5.7.24 and prior and 8.0.13 and prior. Difficult to exploit vulnerability allows low privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Server accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 6.4 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H)."], "name": "CVE-2019-2503", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "mysql55-mysql", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "mysql", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "mariadb:10.3/mariadb", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:openstack:10", "fix_state": "Will not fix", "package_name": "mariadb-galera", "product_name": "Red Hat OpenStack Platform 10 (Newton)"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Will not fix", "package_name": "mariadb", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}, {"cpe": "cpe:/a:redhat:openstack:14", "fix_state": "Will not fix", "package_name": "mariadb", "product_name": "Red Hat OpenStack Platform 14 (Rocky)"}, {"cpe": "cpe:/a:redhat:openstack:8", "fix_state": "Will not fix", "package_name": "mariadb-galera", "product_name": "Red Hat OpenStack Platform 8 (Liberty)"}, {"cpe": "cpe:/a:redhat:openstack:9", "fix_state": "Will not fix", "package_name": "mariadb-galera", "product_name": "Red Hat OpenStack Platform 9 (Mitaka)"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Will not fix", "package_name": "rh-mariadb101-mariadb", "product_name": "Red Hat Software Collections"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Out of support scope", "package_name": "rh-mysql57-mysql", "product_name": "Red Hat Software Collections"}], "public_date": "2019-01-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-2503\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-2503\nhttp://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html"], "threat_severity": "Moderate", "upstream_fix": "mariadb 5.5.62, mariadb 10.3.10, mariadb 10.2.18, mariadb 10.1.36, mariadb 10.0.37, mysql 5.6.43, mysql 5.7.25, mysql 8.0.14"}