CVE-2018-12714

{"id": "CVE-2018-12714", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 10.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2018-06-24T23:29:00.333", "references": [{"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=81f9c4e4177d31ced6f52a89bb70e93bfb77ca03", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/104544", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://bugzilla.kernel.org/show_bug.cgi?id=200019", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/lcytxw/bug_repro/tree/master/bug_200019", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/torvalds/linux/commit/81f9c4e4177d31ced6f52a89bb70e93bfb77ca03", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=81f9c4e4177d31ced6f52a89bb70e93bfb77ca03", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/104544", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.kernel.org/show_bug.cgi?id=200019", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/lcytxw/bug_repro/tree/master/bug_200019", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/torvalds/linux/commit/81f9c4e4177d31ced6f52a89bb70e93bfb77ca03", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in the Linux kernel through 4.17.2. The filter parsing in kernel/trace/trace_events_filter.c could be called with no filter, which is an N=0 case when it expected at least one line to have been read, thus making the N-1 index invalid. This allows attackers to cause a denial of service (slab out-of-bounds write) or possibly have unspecified other impact via crafted perf_event_open and mmap system calls."}, {"lang": "es", "value": "Se ha descubierto un problema en el kernel de Linux hasta la versi\u00f3n 4.17.2. El an\u00e1lisis del filtros en kernel/trace/trace_events_filter.c podr\u00eda ser llamado sin un filtro, que es un caso N=0 cuando espera que, por lo menos, se haya le\u00eddo una l\u00ednea, lo que hace que el \u00edndice N-1 no sea v\u00e1lido. Esto permite que los atacantes provoquen una denegaci\u00f3n de servicio (escritura fuera de l\u00edmites del slab) u otro tipo de impacto mediante llamadas del sistema perf_event_open y mmap."}], "lastModified": "2024-11-21T03:45:43.577", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F5CFAAEA-2412-461B-AA38-9031C852E11E", "versionEndExcluding": "4.17.4", "versionStartIncluding": "4.17"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}