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9.5.4 permiten a usuarios remotos autenticados provocar una denegaci\u00f3n de servicio (referencia a puntero NULL y ca\u00edda del servidor), obtener informaci\u00f3n de memoria sensible, o posiblemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de (1) una expresi\u00f3n CASE dentro de la subexpresi\u00f3n de valor de prueba de otro CASE o (2) el inicio de una funci\u00f3n SQL que implementa el operador de igualdad utilizado para una expresi\u00f3n CASE que implica valores de diferentes tipos."}], "id": "CVE-2016-5423", "lastModified": "2026-05-06T22:30:45.220", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": 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"http://rhn.redhat.com/errata/RHSA-2016-2606.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2016/dsa-3646"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/92433"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1036617"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2017:2425"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory", "VDB Entry"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1364001"}, {"source": "secalert@redhat.com", "url": "https://security.gentoo.org/glsa/201701-33"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.postgresql.org/about/news/1688/"}, {"source": "secalert@redhat.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.postgresql.org/docs/current/static/release-9-1-23.html"}, {"source": "secalert@redhat.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.postgresql.org/docs/current/static/release-9-2-18.html"}, {"source": "secalert@redhat.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.postgresql.org/docs/current/static/release-9-3-14.html"}, {"source": "secalert@redhat.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.postgresql.org/docs/current/static/release-9-4-9.html"}, {"source": "secalert@redhat.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.postgresql.org/docs/current/static/release-9-5-4.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2016-1781.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2016-1820.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2016-1821.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2016-2606.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2016/dsa-3646"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/92433"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1036617"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2017:2425"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory", "VDB Entry"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1364001"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201701-33"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.postgresql.org/about/news/1688/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.postgresql.org/docs/current/static/release-9-1-23.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.postgresql.org/docs/current/static/release-9-2-18.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.postgresql.org/docs/current/static/release-9-3-14.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.postgresql.org/docs/current/static/release-9-4-9.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.postgresql.org/docs/current/static/release-9-5-4.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the PostgreSQL project for reporting this issue. Upstream acknowledges Heikki Linnakangas as the original reporter.", "affected_release": [{"advisory": "RHSA-2016:2606", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "postgresql-0:9.2.18-1.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-11-03T00:00:00Z"}, {"advisory": "RHSA-2017:2425", "cpe": "cpe:/a:redhat:network_satellite:5.7::el6", "package": "rh-postgresql95-0:2.2-3.el6", "product_name": "Red Hat Satellite 5.7", "release_date": "2017-08-07T00:00:00Z"}, {"advisory": "RHSA-2017:2425", "cpe": "cpe:/a:redhat:network_satellite:5.7::el6", "package": "rh-postgresql95-postgresql-0:9.5.7-2.el6", "product_name": "Red Hat Satellite 5.7", "release_date": "2017-08-07T00:00:00Z"}, {"advisory": "RHSA-2017:2425", "cpe": "cpe:/a:redhat:network_satellite:5.7::el6", "package": "spacewalk-backend-0:2.3.3-53.el6sat", "product_name": "Red Hat Satellite 5.7", "release_date": "2017-08-07T00:00:00Z"}, {"advisory": "RHSA-2017:2425", "cpe": "cpe:/a:redhat:network_satellite:5.7::el6", "package": "spacewalk-postgresql-server-0:9.5-1.el6sat", "product_name": "Red Hat Satellite 5.7", "release_date": "2017-08-07T00:00:00Z"}, {"advisory": "RHSA-2017:2425", "cpe": "cpe:/a:redhat:network_satellite:5.7::el6", "package": "spacewalk-setup-postgresql-0:2.3.0-27.el6sat", "product_name": "Red Hat Satellite 5.7", "release_date": "2017-08-07T00:00:00Z"}, {"advisory": "RHSA-2017:2425", "cpe": "cpe:/a:redhat:network_satellite:5.7::el6", "package": "spacewalk-utils-0:2.3.2-32.el6sat", "product_name": "Red Hat Satellite 5.7", "release_date": "2017-08-07T00:00:00Z"}, {"advisory": "RHSA-2017:2425", "cpe": "cpe:/a:redhat:network_satellite:5.7::el6", "package": "spacewalk-web-0:2.3.2-35.el6sat", "product_name": "Red Hat Satellite 5.7", "release_date": "2017-08-07T00:00:00Z"}, {"advisory": "RHSA-2016:1781", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el6", "package": "rh-postgresql94-postgresql-0:9.4.9-1.el6", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6", "release_date": "2016-08-31T00:00:00Z"}, {"advisory": "RHSA-2016:1820", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el6", "package": "postgresql92-postgresql-0:9.2.18-1.el6", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6", "release_date": "2016-09-07T00:00:00Z"}, {"advisory": "RHSA-2016:1821", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el6", "package": "rh-postgresql95-postgresql-0:9.5.4-1.el6", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6", "release_date": "2016-09-07T00:00:00Z"}, {"advisory": "RHSA-2016:1781", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el6", "package": "rh-postgresql94-postgresql-0:9.4.9-1.el6", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS", "release_date": "2016-08-31T00:00:00Z"}, {"advisory": "RHSA-2016:1820", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el6", "package": "postgresql92-postgresql-0:9.2.18-1.el6", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS", "release_date": "2016-09-07T00:00:00Z"}, {"advisory": "RHSA-2016:1821", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el6", "package": "rh-postgresql95-postgresql-0:9.5.4-1.el6", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS", "release_date": "2016-09-07T00:00:00Z"}, {"advisory": "RHSA-2016:1781", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el6", "package": "rh-postgresql94-postgresql-0:9.4.9-1.el6", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS", "release_date": "2016-08-31T00:00:00Z"}, {"advisory": "RHSA-2016:1820", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el6", "package": "postgresql92-postgresql-0:9.2.18-1.el6", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS", "release_date": "2016-09-07T00:00:00Z"}, {"advisory": "RHSA-2016:1821", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el6", "package": "rh-postgresql95-postgresql-0:9.5.4-1.el6", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS", "release_date": "2016-09-07T00:00:00Z"}, {"advisory": "RHSA-2016:1781", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el7", "package": "rh-postgresql94-postgresql-0:9.4.9-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2016-08-31T00:00:00Z"}, {"advisory": "RHSA-2016:1820", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el7", "package": "postgresql92-postgresql-0:9.2.18-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2016-09-07T00:00:00Z"}, {"advisory": "RHSA-2016:1821", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el7", "package": "rh-postgresql95-postgresql-0:9.5.4-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2016-09-07T00:00:00Z"}, {"advisory": "RHSA-2016:1781", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el7", "package": "rh-postgresql94-postgresql-0:9.4.9-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUS", "release_date": "2016-08-31T00:00:00Z"}, {"advisory": "RHSA-2016:1820", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el7", "package": "postgresql92-postgresql-0:9.2.18-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUS", "release_date": "2016-09-07T00:00:00Z"}, {"advisory": "RHSA-2016:1821", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el7", "package": "rh-postgresql95-postgresql-0:9.5.4-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUS", "release_date": "2016-09-07T00:00:00Z"}, {"advisory": "RHSA-2016:1781", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el7", "package": "rh-postgresql94-postgresql-0:9.4.9-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUS", "release_date": "2016-08-31T00:00:00Z"}, {"advisory": "RHSA-2016:1820", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el7", "package": "postgresql92-postgresql-0:9.2.18-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUS", "release_date": "2016-09-07T00:00:00Z"}, {"advisory": "RHSA-2016:1821", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el7", "package": "rh-postgresql95-postgresql-0:9.5.4-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUS", "release_date": "2016-09-07T00:00:00Z"}], "bugzilla": {"description": "postgresql: CASE/WHEN with inlining can cause untrusted pointer dereference", "id": "1364001", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1364001"}, "csaw": false, "cvss": {"cvss_base_score": "6.5", "cvss_scoring_vector": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "status": "verified"}, "cvss3": {"cvss3_base_score": "8.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-822", "details": ["PostgreSQL before 9.1.23, 9.2.x before 9.2.18, 9.3.x before 9.3.14, 9.4.x before 9.4.9, and 9.5.x before 9.5.4 allow remote authenticated users to cause a denial of service (NULL pointer dereference and server crash), obtain sensitive memory information, or possibly execute arbitrary code via (1) a CASE expression within the test value subexpression of another CASE or (2) inlining of an SQL function that implements the equality operator used for a CASE expression involving values of different types.", "A flaw was found in the way PostgreSQL server handled certain SQL statements containing CASE/WHEN commands. A remote, authenticated attacker could use a specially crafted SQL statement to cause PostgreSQL to crash or disclose a few bytes of server memory or possibly execute arbitrary code."], "name": "CVE-2016-5423", "package_state": [{"cpe": "cpe:/a:redhat:cloudforms_managementengine:5", "fix_state": "Affected", "package_name": "postgresql", "product_name": "CloudForms Management Engine 5"}, {"cpe": "cpe:/a:redhat:cloudforms_managementengine:5", "fix_state": "Affected", "package_name": "postgresql92-postgresql", "product_name": "CloudForms Management Engine 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "postgresql", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "postgresql84", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "postgresql", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2016-08-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-5423\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-5423"], "threat_severity": "Moderate"}

{}