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This security issue occurs because of insecure file operations or unsafe handling of temporary files and directories that lead to local privilege escalation. Before the insights-client has been registered on the system by root, an unprivileged local user or attacker could create the /var/tmp/insights-client directory (owning the directory with read, write, and execute permissions) on the system. After the insights-client is registered by root, an attacker could then control the directory content that insights are using by putting malicious scripts into it and executing arbitrary code as root (trivially bypassing SELinux protections because insights processes are allowed to disable SELinux system-wide)."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en insights-client. Este problema de seguridad se produce debido a operaciones de archivos inseguras o al manejo inseguro de archivos y directorios temporales que conducen a una escalada de privilegios locales. Antes de que el usuario root registre el cliente de insights en el sistema, un usuario local sin privilegios o un atacante podr\u00eda crear el directorio /var/tmp/insights-client (que posee el directorio con permisos de lectura, escritura y ejecuci\u00f3n) en el sistema. Despu\u00e9s de que el cliente de Insights est\u00e9 registrado como root, un atacante podr\u00eda controlar el contenido del directorio que utiliza Insights colocando scripts maliciosos en \u00e9l y ejecutando c\u00f3digo arbitrario como root (evitando trivialmente las protecciones de SELinux porque los procesos de Insights pueden desactivar SELinux en todo el sistema)."}], "id": "CVE-2023-3972", "lastModified": "2024-11-21T08:18:25.853", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "secalert@redhat.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-11-01T16:15:08.517", "references": [{"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:6264"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:6282"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:6283"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:6284"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:6795"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:6796"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:6798"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:6811"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2023-3972"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2227027"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "https://github.com/RedHatInsights/insights-core/pull/3878"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:6264"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:6282"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:6283"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:6284"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:6795"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:6796"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:6798"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2023:6811"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2023-3972"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2227027"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/RedHatInsights/insights-core/pull/3878"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-379"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-668"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-379"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"acknowledgement": "This issue was discovered by Alasdair Kergon (Red Hat) and Pavel Odvody (Red Hat).", "affected_release": [{"advisory": "RHSA-2023:6795", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "insights-client-0:3.1.9-1.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2023-11-08T00:00:00Z"}, {"advisory": "RHSA-2023:6283", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "insights-client-0:3.2.2-1.el8_8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-11-02T00:00:00Z"}, {"advisory": "RHSA-2023:6811", "cpe": "cpe:/a:redhat:rhel_e4s:8.1", "package": "insights-client-0:3.2.3-1.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions", "release_date": "2023-11-08T00:00:00Z"}, {"advisory": "RHSA-2023:6264", "cpe": "cpe:/a:redhat:rhel_aus:8.2", "package": "insights-client-0:3.2.3-1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support", "release_date": "2023-11-02T00:00:00Z"}, {"advisory": "RHSA-2023:6264", "cpe": "cpe:/a:redhat:rhel_tus:8.2", "package": "insights-client-0:3.2.3-1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Telecommunications Update Service", "release_date": "2023-11-02T00:00:00Z"}, {"advisory": "RHSA-2023:6264", "cpe": "cpe:/a:redhat:rhel_e4s:8.2", "package": "insights-client-0:3.2.3-1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions", "release_date": "2023-11-02T00:00:00Z"}, {"advisory": "RHSA-2023:6798", "cpe": "cpe:/a:redhat:rhel_aus:8.4", "package": "insights-client-0:3.2.3-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2023-11-08T00:00:00Z"}, {"advisory": "RHSA-2023:6798", "cpe": "cpe:/a:redhat:rhel_tus:8.4", "package": "insights-client-0:3.2.3-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2023-11-08T00:00:00Z"}, {"advisory": "RHSA-2023:6798", "cpe": "cpe:/a:redhat:rhel_e4s:8.4", "package": "insights-client-0:3.2.3-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2023-11-08T00:00:00Z"}, {"advisory": "RHSA-2023:6284", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "insights-client-0:3.2.2-1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2023-11-02T00:00:00Z"}, {"advisory": "RHSA-2023:6282", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "insights-client-0:3.2.2-1.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-02T00:00:00Z"}, {"advisory": "RHSA-2023:6796", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "insights-client-0:3.2.2-1.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2023-11-08T00:00:00Z"}], "bugzilla": {"description": "insights-client: unsafe handling of temporary files and directories", "id": "2227027", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2227027"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-61->CWE-379", "details": ["A vulnerability was found in insights-client. This security issue occurs because of insecure file operations or unsafe handling of temporary files and directories that lead to local privilege escalation. Before the insights-client has been registered on the system by root, an unprivileged local user or attacker could create the /var/tmp/insights-client directory (owning the directory with read, write, and execute permissions) on the system. After the insights-client is registered by root, an attacker could then control the directory content that insights are using by putting malicious scripts into it and executing arbitrary code as root (trivially bypassing SELinux protections because insights processes are allowed to disable SELinux system-wide).", "A vulnerability was found in insights-client. This security issue occurs because of insecure file operations or unsafe handling of temporary files and directories that lead to local privilege escalation. Before the insights-client has been registered on the system by root, an unprivileged local user or attacker could create the /var/tmp/insights-client directory (owning the directory with read, write, and execute permissions) on the system. After the insights-client is registered by root, an attacker could then control the directory content that insights are using by putting malicious scripts into it and executing arbitrary code as root (trivially bypassing SELinux protections because insights processes are allowed to disable SELinux system-wide)."], "mitigation": {"lang": "en:us", "value": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible."}, "name": "CVE-2023-3972", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "insights-client", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2023-11-01T11:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-3972\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-3972\nhttps://github.com/RedHatInsights/insights-core/pull/3878"], "statement": "To exploit this CVE, in normal situations the attacker must have unprivileged access to the system before Insights is run for the first time on the system.\nSystems that are already running Insights on a regular frequent schedule should not consider themselves vulnerable. in other words, If Insights is registered before unprivileged users are given access, this specific problem doesn't appear to arise.", "threat_severity": "Important"}

{}