CVE-2019-10161

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An attacker with access to the libvirtd socket could use this to probe the existence of arbitrary files, cause denial of service or cause libvirtd to execute arbitrary programs."}, {"lang": "es", "value": "Se detect\u00f3 que libvirtd anterior a versiones 4.10.1 y 5.4.1, permitir\u00eda a clientes de solo lectura usar la API de la funci\u00f3n virDomainSaveImageGetXMLDesc(), especificando una ruta (path) arbitraria a la que se acceder\u00eda con los permisos del proceso libvirtd. Un atacante con acceso al socket libvirtd podr\u00eda usar esto para probar la existencia de archivos arbitrarios, causar una denegaci\u00f3n de servicio o causar que libvirtd ejecute programas arbitrarios."}], "id": "CVE-2019-10161", "lastModified": "2026-06-17T02:10:23.163", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.0, "impactScore": 6.0, "source": "secalert@redhat.com", "type": "Secondary"}], "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": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-07-30T23:15:12.120", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/libvirt-privesc-vulnerabilities"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10161"}, {"source": "secalert@redhat.com", "url": "https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=aed6a032cead4386472afb24b16196579e239580"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202003-18"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4047-2/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/libvirt-privesc-vulnerabilities"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10161"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=aed6a032cead4386472afb24b16196579e239580"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202003-18"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4047-2/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-862"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Matthias Gerstner (SUSE) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2019:1578", "cpe": "cpe:/o:redhat:enterprise_linux:6", "impact": "moderate", "package": "libvirt-0:0.10.2-64.el6_10.2", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2019-06-20T00:00:00Z"}, {"advisory": "RHSA-2019:1579", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "libvirt-0:4.5.0-10.el7_6.12", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-06-20T00:00:00Z"}, {"advisory": "RHSA-2019:1580", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "virt:rhel-8000020190618154454.f8e95b4e", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-06-20T00:00:00Z"}, {"advisory": "RHSA-2019:1762", "cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "package": "virt:8.0.0-8000020190620145550.f8e95b4e", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization", "release_date": "2019-07-11T00:00:00Z"}, {"advisory": "RHSA-2019:1699", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "redhat-release-virtualization-host-0:4.3.4-1.el7ev", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7", "release_date": "2019-07-08T00:00:00Z"}, {"advisory": "RHSA-2019:1699", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "redhat-virtualization-host-0:4.3.4-20190620.3.el7_6", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7", "release_date": "2019-07-08T00:00:00Z"}], "bugzilla": {"description": "libvirt: arbitrary file read/exec via virDomainSaveImageGetXMLDesc API", "id": "1720115", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1720115"}, "csaw": true, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-284", "details": ["It was discovered that libvirtd before versions 4.10.1 and 5.4.1 would permit read-only clients to use the virDomainSaveImageGetXMLDesc() API, specifying an arbitrary path which would be accessed with the permissions of the libvirtd process. An attacker with access to the libvirtd socket could use this to probe the existence of arbitrary files, cause denial of service or cause libvirtd to execute arbitrary programs.", "It was discovered that libvirtd would permit read-only clients to use the virDomainSaveImageGetXMLDesc() API, specifying an arbitrary path which would be accessed with the permissions of the libvirtd process. An attacker with access to the libvirtd socket could use this to probe the existence of arbitrary files, cause denial of service or cause libvirtd to execute arbitrary programs."], "mitigation": {"lang": "en:us", "value": "The Unix permissions of libvirt's read-only socket can be made more restrictive than the default (0777) by editing `/etc/libvirt/libvirtd.conf`. The settings `unix_sock_group = libvirt` and `unix_sock_ro_perms = 0770` will restrict access to only members of `libvirt`, who already have management access to virtual machines."}, "name": "CVE-2019-10161", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "libvirt", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/a:redhat:storage:3", "fix_state": "Not affected", "package_name": "libvirt", "product_name": "Red Hat Storage 3"}], "public_date": "2019-06-20T12:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-10161\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-10161\nhttps://access.redhat.com/libvirt-privesc-vulnerabilities"], "statement": "* This vulnerability requires access to the libvirt socket, normally in /var/run/libvirt/libvirt_sock_ro. Typically in hypervisor environments, local user accounts are not supported so no untrusted users should be able to access this socket.\n* Red Hat Gluster Storage 3 is not affected by this vulnerability as libvirtd daemon is not shipped in Gluster.\n* On Red Hat Enterprise Linux 6, the impact of this vulnerability is limited to denial of service or disclosing the existence of arbitrary files. Privilege escalation is not possible. For RHEL6, this CVE is rated as Moderate severity with 7.3/CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H", "threat_severity": "Important"}

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