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Un atacante Man-in-the-Middle (MitM) activo podr\u00eda utilizar este fallo para eliminar la protecci\u00f3n SSL/TLS de una conexi\u00f3n entre un cliente y un servidor."}], "id": "CVE-2017-7485", "lastModified": "2025-04-20T01:37:25.860", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-05-12T19:29:00.240", "references": [{"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2017/dsa-3851"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/98461"}, {"source": "secalert@redhat.com", "url": "http://www.securitytracker.com/id/1038476"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2017:1677"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2017:1678"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2017:1838"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2017:2425"}, {"source": "secalert@redhat.com", "url": "https://security.gentoo.org/glsa/201710-06"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://www.postgresql.org/about/news/1746/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2017/dsa-3851"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/98461"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1038476"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2017:1677"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2017:1678"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2017:1838"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2017:2425"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201710-06"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.postgresql.org/about/news/1746/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-390"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-311"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the PostgreSQL project for reporting this issue. Upstream acknowledges Daniel Gustafsson as the original reporter.", "affected_release": [{"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-2017:1838", "cpe": "cpe:/a:redhat:network_satellite:5.8::el6", "package": "rh-postgresql95-postgresql-0:9.5.7-2.el6", "product_name": "Red Hat Satellite 5.8", "release_date": "2017-07-31T00:00:00Z"}, {"advisory": "RHSA-2017:1838", "cpe": "cpe:/a:redhat:network_satellite:5.8::el6", "package": "rh-postgresql95-postgresql-0:9.5.7-2.el6", "product_name": "Red Hat Satellite 5.8 ELS", "release_date": "2017-07-31T00:00:00Z"}, {"advisory": "RHSA-2017:1677", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el6", "package": "rh-postgresql95-postgresql-0:9.5.7-2.el6", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6", "release_date": "2017-07-05T00:00:00Z"}, {"advisory": "RHSA-2017:1678", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el6", "package": "rh-postgresql94-postgresql-0:9.4.12-1.el6", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6", "release_date": "2017-07-05T00:00:00Z"}, {"advisory": "RHSA-2017:1677", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el6", "package": "rh-postgresql95-postgresql-0:9.5.7-2.el6", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS", "release_date": "2017-07-05T00:00:00Z"}, {"advisory": "RHSA-2017:1678", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el6", "package": "rh-postgresql94-postgresql-0:9.4.12-1.el6", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS", "release_date": "2017-07-05T00:00:00Z"}, {"advisory": "RHSA-2017:1677", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el7", "package": "rh-postgresql95-postgresql-0:9.5.7-2.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2017-07-05T00:00:00Z"}, {"advisory": "RHSA-2017:1678", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el7", "package": "rh-postgresql94-postgresql-0:9.4.12-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2017-07-05T00:00:00Z"}, {"advisory": "RHSA-2017:1677", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el7", "package": "rh-postgresql95-postgresql-0:9.5.7-2.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS", "release_date": "2017-07-05T00:00:00Z"}, {"advisory": "RHSA-2017:1678", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el7", "package": "rh-postgresql94-postgresql-0:9.4.12-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS", "release_date": "2017-07-05T00:00:00Z"}], "bugzilla": {"description": "postgresql: libpq ignores PGREQUIRESSL environment variable", "id": "1448086", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1448086"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.4", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "status": "verified"}, "cwe": "CWE-390", "details": ["In PostgreSQL 9.3.x before 9.3.17, 9.4.x before 9.4.12, 9.5.x before 9.5.7, and 9.6.x before 9.6.3, it was found that the PGREQUIRESSL environment variable was no longer enforcing a SSL/TLS connection to a PostgreSQL server. An active Man-in-the-Middle attacker could use this flaw to strip the SSL/TLS protection from a connection between a client and a server.", "It was discovered that the PostgreSQL client library (libpq) did not enforce the use of TLS/SSL for a connection to a PostgreSQL server when the PGREQUIRESSL environment variable was set. An man-in-the-middle attacker could use this flaw to strip the SSL/TLS protection from a connection between a client and a server."], "mitigation": {"lang": "en:us", "value": "Use  PGSSLMODE=require instead of  PGREQUIRESSL=1"}, "name": "CVE-2017-7485", "package_state": [{"cpe": "cpe:/a:redhat:cloudforms_managementengine:5", "fix_state": "Affected", "package_name": "rh-postgresql94-postgresql", "product_name": "CloudForms Management Engine 5"}, {"cpe": "cpe:/a:redhat:cloudforms_managementengine:5", "fix_state": "Affected", "package_name": "rh-postgresql95-postgresql", "product_name": "CloudForms Management Engine 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "postgresql", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "postgresql84", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "postgresql", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "postgresql", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:network_satellite:5", "fix_state": "Not affected", "package_name": "postgresql92-postgresql", "product_name": "Red Hat Satellite 5"}], "public_date": "2017-05-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-7485\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-7485\nhttps://www.postgresql.org/about/news/1746/"], "threat_severity": "Moderate"}