{ "id": "CVE-2016-7170", "sourceIdentifier": "secalert@redhat.com", "published": "2016-12-10T00:59:16.077", "lastModified": "2023-02-12T23:25:19.663", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "The vmsvga_fifo_run function in hw/display/vmware_vga.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors related to cursor.mask[] and cursor.image[] array sizes when processing a DEFINE_CURSOR svga command." }, { "lang": "es", "value": "La funci\u00f3n vmsvga_fifo_run en hw/display/vmware_vga.c en QEMU (tambi\u00e9n conocido como Quick Emulator) permite a administradores locales del SO invitado provocar una denegaci\u00f3n de servicio (escritura fuera de l\u00edmites y ca\u00edda del proceso QEMU) a trav\u00e9s de vectores relacionados con los tama\u00f1os del array cursor.mask[] y cursor.image[] cuando procesan un comando svga DEFINE_CURSOR." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 4.4, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 0.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1 }, "baseSeverity": "LOW", "exploitabilityScore": 3.9, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-129" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "versionEndIncluding": "2.7.1", "matchCriteriaId": "F83E2010-6463-407A-928D-DB71A705A04C" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*", "matchCriteriaId": "1EA337A3-B9A3-4962-B8BD-8E0C7C5B28EB" } ] } ] } ], "references": [ { "url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=167d97a3def77ee2dbf6e908b0ecbfe2103977db", "source": "secalert@redhat.com" }, { "url": "http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2016/09/09/4", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2016/09/09/7", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://www.securityfocus.com/bid/92904", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg01764.html", "source": "secalert@redhat.com", "tags": [ "Patch", "Third Party Advisory" ] } ] }