{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-5870", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2023-10-31T03:56:58.366Z", "datePublished": "2023-12-10T17:58:30.213Z", "dateUpdated": "2025-11-04T19:25:52.585Z"}, "containers": {"cna": {"title": "Postgresql: role pg_signal_backend can signal certain superuser processes.", "metrics": [{"other": {"content": {"value": "Low", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 2.2, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in PostgreSQL involving the pg_cancel_backend role that signals background workers, including the logical replication launcher, autovacuum workers, and the autovacuum launcher. Successful exploitation requires a non-core extension with a less-resilient background worker and would affect that specific background worker only. This issue may allow a remote high privileged user to launch a denial of service (DoS) attack."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Advanced Cluster Security 4.2", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "advanced-cluster-security/rhacs-central-db-rhel8", "defaultStatus": "affected", "versions": [{"version": "4.2.4-6", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:advanced_cluster_security:4.2::el8"]}, {"vendor": "Red Hat", "product": "Red Hat Advanced Cluster Security 4.2", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "advanced-cluster-security/rhacs-main-rhel8", "defaultStatus": "affected", "versions": [{"version": "4.2.4-6", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:advanced_cluster_security:4.2::el8"]}, {"vendor": "Red Hat", "product": "Red Hat Advanced Cluster Security 4.2", "collectionURL": 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Successful exploitation requires a non-core extension with a less-resilient background worker and would affect that specific background worker only. This issue may allow a remote high privileged user to launch a denial of service (DoS) attack."}, {"lang": "es", "value": "Se encontr\u00f3 una falla en PostgreSQL que involucra la funci\u00f3n pg_cancel_backend que se\u00f1ala a los trabajadores en segundo plano, incluido el iniciador de replicaci\u00f3n l\u00f3gica, los trabajadores de autovacuum y el iniciador de autovacuum. La explotaci\u00f3n exitosa requiere una extensi\u00f3n no central con un trabajador en segundo plano menos resistente y afectar\u00eda \u00fanicamente a ese trabajador en segundo plano espec\u00edfico. Este problema puede permitir que un usuario remoto con privilegios elevados lance un ataque de denegaci\u00f3n de servicio (DoS)."}], "id": "CVE-2023-5870", "lastModified": "2025-11-04T20:17:14.013", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 2.2, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 0.7, "impactScore": 1.4, "source": "[email protected]", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": 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"weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "[email protected]", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "[email protected]", "type": "Primary"}]}

{"acknowledgement": "Upstream acknowledges Hemanth Sandrana and Mahendrakar Srinivasarao as the original reporters.", "affected_release": [{"advisory": "RHSA-2024:0337", "cpe": "cpe:/a:redhat:advanced_cluster_security:4.2::el8", "package": "advanced-cluster-security/rhacs-central-db-rhel8:4.2.4-6", "product_name": "Red Hat Advanced Cluster Security 4.2", "release_date": "2024-01-22T00:00:00Z"}, {"advisory": "RHSA-2024:0337", "cpe": "cpe:/a:redhat:advanced_cluster_security:4.2::el8", "package": "advanced-cluster-security/rhacs-main-rhel8:4.2.4-6", "product_name": "Red Hat Advanced Cluster Security 4.2", "release_date": "2024-01-22T00:00:00Z"}, {"advisory": "RHSA-2024:0337", "cpe": "cpe:/a:redhat:advanced_cluster_security:4.2::el8", "package": "advanced-cluster-security/rhacs-operator-bundle:4.2.4-7", "product_name": "Red Hat Advanced Cluster Security 4.2", "release_date": "2024-01-22T00:00:00Z"}, {"advisory": "RHSA-2024:0337", "cpe": "cpe:/a:redhat:advanced_cluster_security:4.2::el8", 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Mission Critical Update Support", "release_date": "2023-12-07T00:00:00Z"}, {"advisory": "RHSA-2023:7695", "cpe": "cpe:/a:redhat:rhel_aus:8.4", "package": "postgresql:13-8040020231127154806.522a0ee4", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2023-12-07T00:00:00Z"}, {"advisory": "RHSA-2023:7694", "cpe": "cpe:/a:redhat:rhel_tus:8.4", "package": "postgresql:12-8040020231127153301.522a0ee4", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2023-12-07T00:00:00Z"}, {"advisory": "RHSA-2023:7695", "cpe": "cpe:/a:redhat:rhel_tus:8.4", "package": "postgresql:13-8040020231127154806.522a0ee4", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2023-12-07T00:00:00Z"}, {"advisory": "RHSA-2023:7694", "cpe": "cpe:/a:redhat:rhel_e4s:8.4", "package": "postgresql:12-8040020231127153301.522a0ee4", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2023-12-07T00:00:00Z"}, {"advisory": "RHSA-2023:7695", "cpe": "cpe:/a:redhat:rhel_e4s:8.4", "package": "postgresql:13-8040020231127154806.522a0ee4", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2023-12-07T00:00:00Z"}, {"advisory": "RHSA-2023:7580", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "postgresql:13-8060020231114115246.ad008a3a", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2023-11-29T00:00:00Z"}, {"advisory": "RHSA-2023:7666", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "postgresql:12-8060020231128165328.ad008a3a", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2023-12-06T00:00:00Z"}, {"advisory": "RHSA-2023:7579", "cpe": "cpe:/a:redhat:rhel_eus:8.8", "package": "postgresql:13-8080020231114105206.63b34585", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2023-11-29T00:00:00Z"}, {"advisory": "RHSA-2023:7656", "cpe": "cpe:/a:redhat:rhel_eus:8.8", "package": "postgresql:12-8080020231128165335.63b34585", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2023-12-05T00:00:00Z"}, {"advisory": "RHSA-2023:7883", "cpe": "cpe:/a:redhat:rhel_eus:8.8", "package": "postgresql:15-8080020231113134015.63b34585", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2023-12-20T00:00:00Z"}, {"advisory": "RHSA-2023:7784", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "postgresql-0:13.13-1.el9_3", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-12-13T00:00:00Z"}, {"advisory": "RHSA-2023:7785", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "postgresql:15-9030020231120082734.rhel9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-12-13T00:00:00Z"}, {"advisory": "RHSA-2023:7545", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "postgresql-0:13.13-1.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2023-11-28T00:00:00Z"}, {"advisory": "RHSA-2023:7616", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "postgresql-0:13.13-1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2023-11-30T00:00:00Z"}, {"advisory": "RHSA-2023:7885", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "postgresql:15-9020020231115020618.rhel9", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2023-12-20T00:00:00Z"}, {"advisory": "RHSA-2023:7770", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-postgresql12-postgresql-0:12.17-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2023-12-13T00:00:00Z"}, {"advisory": "RHSA-2023:7772", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-postgresql13-postgresql-0:13.13-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2023-12-13T00:00:00Z"}, {"advisory": "RHSA-2024:0304", "cpe": "cpe:/a:redhat:advanced_cluster_security:3.74::el8", "package": "advanced-cluster-security/rhacs-central-db-rhel8:3.74.8-9", "product_name": "RHACS-3.74-RHEL-8", "release_date": "2024-01-18T00:00:00Z"}, {"advisory": "RHSA-2024:0304", "cpe": "cpe:/a:redhat:advanced_cluster_security:3.74::el8", "package": "advanced-cluster-security/rhacs-main-rhel8:3.74.8-9", "product_name": "RHACS-3.74-RHEL-8", "release_date": "2024-01-18T00:00:00Z"}, {"advisory": "RHSA-2024:0304", "cpe": "cpe:/a:redhat:advanced_cluster_security:3.74::el8", "package": "advanced-cluster-security/rhacs-operator-bundle:3.74.8-7", "product_name": "RHACS-3.74-RHEL-8", "release_date": "2024-01-18T00:00:00Z"}, {"advisory": "RHSA-2024:0304", "cpe": "cpe:/a:redhat:advanced_cluster_security:3.74::el8", "package": "advanced-cluster-security/rhacs-scanner-db-rhel8:3.74.8-9", "product_name": "RHACS-3.74-RHEL-8", "release_date": "2024-01-18T00:00:00Z"}, {"advisory": "RHSA-2024:0304", "cpe": "cpe:/a:redhat:advanced_cluster_security:3.74::el8", "package": "advanced-cluster-security/rhacs-scanner-db-slim-rhel8:3.74.8-9", "product_name": "RHACS-3.74-RHEL-8", "release_date": "2024-01-18T00:00:00Z"}, {"advisory": "RHSA-2024:0332", "cpe": "cpe:/a:redhat:advanced_cluster_security:4.1::el8", "package": "advanced-cluster-security/rhacs-central-db-rhel8:4.1.6-6", "product_name": "RHACS-4.1-RHEL-8", "release_date": "2024-01-22T00:00:00Z"}, {"advisory": "RHSA-2024:0332", "cpe": "cpe:/a:redhat:advanced_cluster_security:4.1::el8", "package": "advanced-cluster-security/rhacs-main-rhel8:4.1.6-6", "product_name": "RHACS-4.1-RHEL-8", "release_date": "2024-01-22T00:00:00Z"}, {"advisory": "RHSA-2024:0332", "cpe": "cpe:/a:redhat:advanced_cluster_security:4.1::el8", "package": "advanced-cluster-security/rhacs-operator-bundle:4.1.6-6", "product_name": "RHACS-4.1-RHEL-8", "release_date": "2024-01-22T00:00:00Z"}, {"advisory": "RHSA-2024:0332", "cpe": "cpe:/a:redhat:advanced_cluster_security:4.1::el8", "package": "advanced-cluster-security/rhacs-scanner-db-rhel8:4.1.6-6", "product_name": "RHACS-4.1-RHEL-8", "release_date": "2024-01-22T00:00:00Z"}, {"advisory": "RHSA-2024:0332", "cpe": "cpe:/a:redhat:advanced_cluster_security:4.1::el8", "package": "advanced-cluster-security/rhacs-scanner-db-slim-rhel8:4.1.6-6", "product_name": "RHACS-4.1-RHEL-8", "release_date": "2024-01-22T00:00:00Z"}], "bugzilla": {"description": "postgresql: Role pg_signal_backend can signal certain superuser processes.", "id": "2247170", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2247170"}, "csaw": false, "cvss3": {"cvss3_base_score": "2.2", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L", "status": "verified"}, "cwe": "CWE-400", "details": ["A flaw was found in PostgreSQL involving the pg_cancel_backend role that signals background workers, including the logical replication launcher, autovacuum workers, and the autovacuum launcher. Successful exploitation requires a non-core extension with a less-resilient background worker and would affect that specific background worker only. This issue may allow a remote high privileged user to launch a denial of service (DoS) attack.", "A flaw was found in PostgreSQL involving the pg_cancel_backend role that signals background workers, including the logical replication launcher, autovacuum workers, and the autovacuum launcher. Successful exploitation requires a non-core extension with a less-resilient background worker and would affect that specific background worker only. This issue may allow a remote high privileged user to launch a denial of service (DoS) attack."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2023-5870", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "postgresql", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "postgresql", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "postgresql:10/postgresql", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "postgresql:16/postgresql", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "postgresql:16/postgresql", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Fix deferred", "package_name": "rh-postgresql10-postgresql", "product_name": "Red Hat Software Collections"}], "public_date": "2023-11-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-5870\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-5870\nhttps://www.postgresql.org/about/news/postgresql-161-155-1410-1313-1217-and-1122-released-2749/\nhttps://www.postgresql.org/support/security/CVE-2023-5870/"], "threat_severity": "Low"}