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{"acknowledgement": "Red Hat would like to thank Kurtis Miller (nccgroup.com) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2019:1881", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "qemu-kvm-ma-10:2.12.0-18.el7_6.4", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-07-29T00:00:00Z"}, {"advisory": "RHSA-2019:1175", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "virt:rhel-8000020190510171727.55190bc5", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-05-14T00:00:00Z"}, {"advisory": "RHSA-2019:1723", "cpe": "cpe:/a:redhat:openstack:10::el7", "package": "qemu-kvm-rhev-10:2.12.0-18.el7_6.6", "product_name": "Red Hat OpenStack Platform 10.0 (Newton)", "release_date": "2019-07-10T00:00:00Z"}, {"advisory": "RHSA-2019:1743", "cpe": "cpe:/a:redhat:openstack:13::el7", "package": "qemu-kvm-rhev-10:2.12.0-18.el7_6.6", "product_name": "Red Hat OpenStack Platform 13.0 (Queens)", "release_date": "2019-07-10T00:00:00Z"}, {"advisory": "RHSA-2019:1667", "cpe": "cpe:/a:redhat:openstack:14::el7", "package": "qemu-kvm-rhev-10:2.12.0-18.el7_6.6", "product_name": "Red Hat OpenStack Platform 14.0 (Rocky)", "release_date": "2019-07-02T00:00:00Z"}, {"advisory": "RHSA-2019:2507", "cpe": "cpe:/a:redhat:openstack:9::el7", "package": "qemu-kvm-rhev-10:2.12.0-18.el7_6.6", "product_name": "Red Hat OpenStack Platform 9.0 (Mitaka)", "release_date": "2019-08-15T00:00:00Z"}, {"advisory": "RHSA-2019:1968", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "qemu-kvm-rhev-10:2.12.0-18.el7_6.7", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7", "release_date": "2019-07-30T00:00:00Z"}, {"advisory": "RHSA-2019:2553", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "qemu-kvm-rhev-10:2.12.0-33.el7", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7", "release_date": "2019-08-22T00:00:00Z"}, {"advisory": "RHSA-2019:1968", "cpe": "cpe:/a:redhat:rhev_manager:4.2", "package": "qemu-kvm-rhev-10:2.12.0-18.el7_6.7", "product_name": "Red Hat Virtualization Engine 4.2", "release_date": "2019-07-30T00:00:00Z"}, {"advisory": "RHSA-2019:1968", "cpe": "cpe:/a:redhat:rhev_manager:4.3", "package": "qemu-kvm-rhev-10:2.12.0-18.el7_6.7", "product_name": "Red Hat Virtualization Engine 4.3", "release_date": "2019-07-30T00:00:00Z"}, {"advisory": "RHSA-2019:2553", "cpe": "cpe:/a:redhat:rhev_manager:4.3", "package": "qemu-kvm-rhev-10:2.12.0-33.el7", "product_name": "Red Hat Virtualization Engine 4.3", "release_date": "2019-08-22T00:00:00Z"}], "bugzilla": {"description": "QEMU: device_tree: heap buffer overflow while loading device tree blob", "id": "1693101", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1693101"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H", "status": "verified"}, "cwe": "CWE-122", "details": ["In QEMU 3.1.0, load_device_tree in device_tree.c calls the deprecated load_image function, which has a buffer overflow risk.", "A heap buffer overflow issue was found in the load_device_tree() function of QEMU, which is invoked to load a device tree blob at boot time. It occurs due to device tree size manipulation before buffer allocation, which could overflow a signed int type. A user/process could use this flaw to potentially execute arbitrary code on a host system with privileges of the QEMU process."], "name": "CVE-2018-20815", "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:/a:redhat:openstack:8", "fix_state": "Affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 8 (Liberty)"}], "public_date": "2018-12-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-20815\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-20815"], "threat_severity": "Important"}