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{"bugzilla": {"description": "edk2: improper DNS packet size check", "id": "1683326", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1683326"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.2", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L", "status": "draft"}, "cwe": "CWE-125->CWE-787", "details": ["Buffer overflow in network stack for EDK II may allow unprivileged user to potentially enable escalation of privilege and/or denial of service via network.", "A missing check leads to an out-of-bounds read and write flaw in NetworkPkg/DnsDxe as shipped in edk2, when it parses DNS responses. A remote attacker who controls the DNS server used by the vulnerable firmware may use this flaw to make the system crash."], "name": "CVE-2018-12178", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "OVMF", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "edk2", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:rhev_hypervisor:4", "fix_state": "Not affected", "package_name": "redhat-virtualization-host", "product_name": "Red Hat Virtualization 4"}], "public_date": "2019-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-12178\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-12178"], "statement": "This issue did not affect the versions of OVMF as shipped with Red Hat Enterprise Linux 7 as they were not compiled with HTTP_BOOT_ENABLE set, thus they do not contain the vulnerable code.", "threat_severity": "Important"}