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{"acknowledgement": "Red Hat would like to thank Li Qiang (Tianchen Security Lab of Ant Financial) and Ziming Zhang for reporting this issue.", "bugzilla": {"description": "QEMU: tulip: OOB access in tulip_copy_tx_buffers", "id": "1821180", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1821180"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.6", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-125->CWE-787", "details": ["hw/net/tulip.c in QEMU 4.2.0 has a buffer overflow during the copying of tx/rx buffers because the frame size is not validated against the r/w data length.", "An out-of-bounds access flaw was found in the Tulip NIC emulator built into QEMU. This flaw occurs while copying network data to and from its tx/rx frame buffers, as it does not check frame size against the data length. This flaw allows a remote user or process to crash the QEMU process, resulting in a denial of service or the potential execution of arbitrary code with the privileges of the QEMU process on the host."], "name": "CVE-2020-11102", "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: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-rhev", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Not affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization"}, {"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": "2020-02-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-11102\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-11102"], "statement": "This issue does not affect the versions of the qemu-kvm package as shipped with Red Hat Enterprise Linux 6, 7 and 8.", "threat_severity": "Important"}