{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2018-7550", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-05T06:31:04.536Z", "dateReserved": "2018-02-27T00:00:00", "datePublished": "2018-03-01T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-01-30T21:56:51.639818"}, "descriptions": [{"lang": "en", "value": "The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"name": "RHSA-2018:1369", "tags": ["vendor-advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:1369"}, {"name": "[qemu-devel] 20180228 [PATCH] multiboot: check mh_load_end_addr address field", "tags": ["mailing-list"], "url": "https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.html"}, {"name": "[debian-lts-announce] 20180417 [SECURITY] [DLA 1351-1] qemu security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00016.html"}, {"name": "USN-3649-1", "tags": ["vendor-advisory"], "url": "https://usn.ubuntu.com/3649-1/"}, {"name": "[debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html"}, {"name": "DSA-4213", "tags": ["vendor-advisory"], "url": "https://www.debian.org/security/2018/dsa-4213"}, {"name": "[debian-lts-announce] 20180417 [SECURITY] [DLA 1350-1] qemu-kvm security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00015.html"}, {"name": "103181", "tags": ["vdb-entry"], "url": "http://www.securityfocus.com/bid/103181"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1549798"}, {"name": "RHSA-2018:2462", "tags": ["vendor-advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:2462"}, {"url": "https://github.com/orangecertcc/security-research/security/advisories/GHSA-f49v-45qp-cv53"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}], "datePublic": "2018-02-28T00:00:00"}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T06:31:04.536Z"}, "title": "CVE Program Container", "references": [{"name": "RHSA-2018:1369", "tags": ["vendor-advisory", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2018:1369"}, {"name": "[qemu-devel] 20180228 [PATCH] multiboot: check mh_load_end_addr address field", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.html"}, {"name": "[debian-lts-announce] 20180417 [SECURITY] [DLA 1351-1] qemu security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00016.html"}, {"name": "USN-3649-1", "tags": ["vendor-advisory", "x_transferred"], "url": "https://usn.ubuntu.com/3649-1/"}, {"name": "[debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html"}, {"name": "DSA-4213", "tags": ["vendor-advisory", "x_transferred"], "url": "https://www.debian.org/security/2018/dsa-4213"}, {"name": "[debian-lts-announce] 20180417 [SECURITY] [DLA 1350-1] qemu-kvm security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00015.html"}, {"name": "103181", "tags": ["vdb-entry", "x_transferred"], "url": "http://www.securityfocus.com/bid/103181"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1549798", "tags": ["x_transferred"]}, {"name": "RHSA-2018:2462", "tags": ["vendor-advisory", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2018:2462"}, {"url": "https://github.com/orangecertcc/security-research/security/advisories/GHSA-f49v-45qp-cv53", "tags": ["x_transferred"]}]}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "matchCriteriaId": "1BADDD0F-A2EA-42DC-9EBC-7E35D48DD63C", "versionEndIncluding": "2.11.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*", "matchCriteriaId": "9070C9D8-A14A-467F-8253-33B966C16886", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "33C068A4-3780-4EAB-A937-6082DF847564", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "51EF4996-72F4-4FA4-814F-F5991E7A8318", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*", "matchCriteriaId": "B353CE99-D57C-465B-AAB0-73EF581127D1", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*", "matchCriteriaId": "7431ABC1-9252-419E-8CC1-311B41360078", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*", "matchCriteriaId": "A4E9DD8A-A68B-4A69-8B01-BFF92A2020A8", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*", "matchCriteriaId": "BF77CDCF-B9C9-427D-B2BF-36650FB2148C", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.7:*:*:*:*:*:*:*", "matchCriteriaId": "21690BAC-2129-4A33-9B48-1F3BF30072A9", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*", "matchCriteriaId": "B76AA310-FEC7-497F-AF04-C3EC1E76C4CC", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*", "matchCriteriaId": "17F256A9-D3B9-4C72-B013-4EFD878BFEA8", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "825ECE2D-E232-46E0-A047-074B34DB1E97", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access."}, {"lang": "es", "value": "La funci\u00f3n load_multiboot en hw/i386/multiboot.c en Quick Emulator (tambi\u00e9n conocido como QEMU) permite que usuarios locales invitados del sistema operativo ejecuten c\u00f3digo arbitrario en el host QEMU mediante un valor mh_load_end_addr mayor que mh_bss_end_addr. Esto desencadena un acceso de lectura o escritura a la memoria fuera de l\u00edmites."}], "id": "CVE-2018-7550", "lastModified": "2024-11-21T04:12:20.860", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.0, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-03-01T17:29:00.523", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/103181"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:1369"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:2462"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1549798"}, {"source": "cve@mitre.org", "url": "https://github.com/orangecertcc/security-research/security/advisories/GHSA-f49v-45qp-cv53"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00015.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00016.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Patch"], "url": "https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3649-1/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2018/dsa-4213"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/103181"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:1369"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:2462"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1549798"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/orangecertcc/security-research/security/advisories/GHSA-f49v-45qp-cv53"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00015.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00016.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch"], "url": "https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3649-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2018/dsa-4213"}], "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 CERT-CC (Orange.com) and Cyrille Chatras (Orange.com) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2018:2462", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "qemu-kvm-10:1.5.3-156.el7_5.5", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2018-08-16T00:00:00Z"}, {"advisory": "RHSA-2018:1644", "cpe": "cpe:/a:redhat:openstack:10::el7", "package": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3", "product_name": "Red Hat OpenStack Platform 10.0 (Newton)", "release_date": "2018-05-22T00:00:00Z"}, {"advisory": "RHSA-2018:1643", "cpe": "cpe:/a:redhat:openstack:12::el7", "package": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3", "product_name": "Red Hat OpenStack Platform 12.0 (Pike)", "release_date": "2018-05-22T00:00:00Z"}, {"advisory": "RHSA-2018:1646", "cpe": "cpe:/a:redhat:openstack:8::el7", "package": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3", "product_name": "Red Hat OpenStack Platform 8.0 (Liberty)", "release_date": "2018-05-22T00:00:00Z"}, {"advisory": "RHSA-2018:1645", "cpe": "cpe:/a:redhat:openstack:9::el7", "package": "qemu-kvm-rhev-10:2.10.0-21.el7_5.3", "product_name": "Red Hat OpenStack Platform 9.0 (Mitaka)", "release_date": "2018-05-22T00:00:00Z"}, {"advisory": "RHSA-2018:1369", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "qemu-kvm-rhev-10:2.10.0-21.el7_5.2", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7", "release_date": "2018-05-10T00:00:00Z"}], "bugzilla": {"description": "QEMU: i386: multiboot OOB access while loading kernel image", "id": "1549798", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1549798"}, "csaw": false, "cvss": {"cvss_base_score": "6.2", "cvss_scoring_vector": "AV:L/AC:H/Au:N/C:C/I:C/A:C", "status": "verified"}, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-787", "details": ["The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access.", "Quick Emulator (QEMU), compiled with the PC System Emulator with multiboot feature support, is vulnerable to an OOB r/w memory access issue. The issue could occur while loading a kernel image during the guest boot, if mh_load_end_addr address is greater than the mh_bss_end_addr address. A user or process could use this flaw to potentially achieve arbitrary code execution on a host."], "name": "CVE-2018-7550", "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-ma", "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:openstack:7", "fix_state": "Will not fix", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)"}, {"cpe": "cpe:/a:redhat:openstack:11", "fix_state": "Will not fix", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 11 (Ocata)"}], "public_date": "2018-02-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-7550\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-7550"], "threat_severity": "Moderate"}

{}