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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "matchCriteriaId": "4203BC24-879F-45F1-B1B5-4C08ADEBB344", "versionEndIncluding": "4.2.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:qemu:qemu:5.0.0:rc0:*:*:*:*:*:*", "matchCriteriaId": "2C05DB27-EE8C-417C-90F8-3A8CB3604CED", "vulnerable": true}, {"criteria": "cpe:2.3:a:qemu:qemu:5.0.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "0386A730-F0CD-4E75-93B4-C01B31EDBEAB", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in QEMU through 5.1.0. An out-of-bounds memory access was found in the ATI VGA device implementation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati_2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service."}, {"lang": "es", "value": "Se detect\u00f3 un problema en QEMU versiones hasta 5.1.0. Se encontr\u00f3 un acceso a memoria fuera de l\u00edmites en la implementaci\u00f3n del dispositivo ATI VGA. Este fallo ocurre en la rutina ati_2d_blt() en el archivo hw/display/ati_2d.c mientras se manejan las operaciones de escritura MMIO por medio de la devoluci\u00f3n de llamada de ati_mm_write(). Un invitado malicioso podr\u00eda usar este fallo para bloquear el proceso QEMU en el host, resultando en una denegaci\u00f3n de servicio"}], "id": "CVE-2020-24352", "lastModified": "2024-11-21T05:14:38.890", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-10-16T06:15:12.277", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1847584"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://git.qemu.org/?p=qemu.git"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20201123-0003/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1847584"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://git.qemu.org/?p=qemu.git"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20201123-0003/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}, {"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Yi Ren (Alibaba Cloud Intelligence Security Team) for reporting this issue.", "bugzilla": {"description": "QEMU: out-of-bounds read/write in ati-vga device emulation in ati_2d_blt()", "id": "1847584", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1847584"}, "csaw": false, "cvss3": {"cvss3_base_score": "2.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-125", "details": ["An issue was discovered in QEMU through 5.1.0. An out-of-bounds memory access was found in the ATI VGA device implementation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati_2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.", "An out-of-bounds memory access flaw was found in the ATI VGA device implementation of the QEMU emulator. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service."], "name": "CVE-2020-24352", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kvm", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "xen", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "qemu-kvm-ma", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "virt:rhel/qemu-kvm", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Not affected", "package_name": "virt:8.2/qemu-kvm", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openstack:10", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 10 (Newton)"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}], "public_date": "2020-08-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-24352\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-24352"], "statement": "This flaw did not affect the following versions of QEMU as they did not include support for ATI VGA emulation:\n* `qemu-kvm-ma` as shipped with Red Hat Enterprise Linux 7.\n* `qemu-kvm-rhev` as shipped with Red Hat Virtualization and Red Hat OpenStack.\n* `qemu-kvm` as shipped with Red Hat Enterprise Linux 6, 7 and 8.\n* `virt:8.2/qemu-kvm` as shipped with RHEL Advanced Virtualization.\nATI VGA emulation feature was introduced in QEMU upstream version 4.0.0.", "threat_severity": "Low"}