CVE-2018-17962

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true}, {"criteria": "cpe:2.3:o:suse:linux_enterprise_server:11:sp4:*:*:*:*:*:*", "matchCriteriaId": "55C5561F-BE86-4EEA-99D4-8697F8BD9DFE", "vulnerable": true}, {"criteria": "cpe:2.3:o:suse:linux_enterprise_server:12:*:*:*:ltss:*:*:*", "matchCriteriaId": "B2F3699A-38E4-4E9D-9414-411F71D9E371", "vulnerable": true}, {"criteria": "cpe:2.3:o:suse:linux_enterprise_server:15:*:*:*:*:*:*:*", "matchCriteriaId": "70A029CD-2AC4-4877-B1A4-5C72B351BA27", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Qemu has a Buffer Overflow in pcnet_receive in hw/net/pcnet.c because an incorrect integer data type is used."}, {"lang": "es", "value": "Qemu tiene un desbordamiento de b\u00fafer en pcnet_receive en hw/net/pcnet.c debido a que se emplea un tipo de datos de enteros incorrecto."}], "id": "CVE-2018-17962", "lastModified": "2026-06-17T01:46:36.667", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-10-09T22:29:00.987", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2018/10/08/1"}, {"source": "cve@mitre.org", "url": "https://access.redhat.com/errata/RHSA-2019:2892"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03268.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3826-1/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2018/dsa-4338"}, {"source": "nvd@nist.gov", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/cve-2018-17962"}, {"source": "nvd@nist.gov", "tags": ["Third Party Advisory"], "url": 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{"acknowledgement": "Red Hat would like to thank Arash Tohidi and Daniel Shapira (Twistlock) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2019:2892", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "qemu-kvm-2:0.12.1.2-2.506.el6_10.5", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2019-09-24T00:00:00Z"}], "bugzilla": {"description": "QEMU: pcnet: integer overflow leads to buffer overflow", "id": "1636773", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1636773"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H", "status": "verified"}, "cwe": "CWE-121", "details": ["Qemu has a Buffer Overflow in pcnet_receive in hw/net/pcnet.c because an incorrect integer data type is used.", "An integer overflow issue was found in the AMD PC-Net II NIC emulation in QEMU. It could occur while receiving packets, if the size value was greater than INT_MAX. Such overflow would lead to stack buffer overflow issue. A user inside guest could use this flaw to crash the QEMU process resulting in DoS."], "name": "CVE-2018-17962", "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: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"}], "public_date": "2018-09-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-17962\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-17962"], "threat_severity": "Moderate"}

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