CVE-2018-7273

{"id": "CVE-2018-7273", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2018-02-21T00:29:00.333", "references": [{"url": "http://www.securityfocus.com/bid/103088", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://lkml.org/lkml/2018/2/20/669", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.exploit-db.com/exploits/44325/", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/103088", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lkml.org/lkml/2018/2/20/669", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.exploit-db.com/exploits/44325/", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel through 4.15.4, the floppy driver reveals the addresses of kernel functions and global variables using printk calls within the function show_floppy in drivers/block/floppy.c. An attacker can read this information from dmesg and use the addresses to find the locations of kernel code and data and bypass kernel security protections such as KASLR."}, {"lang": "es", "value": "En el kernel de Linux hasta la versi\u00f3n 4.15.4, el controlador del disquete revela las direcciones de las funciones del kernel y las variables globales empleando llamadas printk en la funci\u00f3n show_floppy en drivers/block/floppy.c. Un atacante puede leer esta informaci\u00f3n de dmesg y emplear las direcciones para encontrar las localizaciones del c\u00f3digo y los datos del kernel y omitir las protecciones de seguridad como KASLR."}], "lastModified": "2024-11-21T04:11:55.017", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9CE35792-B3C6-4851-93F3-3C6FA0893FC2", "versionEndIncluding": "4.15.4"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}