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{
"id": "CVE-2018-7273",
"sourceIdentifier": "cve@mitre.org",
"published": "2018-02-21T00:29:00.333",
"lastModified": "2019-03-01T19:57:57.130",
"vulnStatus": "Analyzed",
"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."
}
],
"metrics": {
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{
"source": "nvd@nist.gov",
"type": "Primary",
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"version": "3.0",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
],
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"source": "nvd@nist.gov",
"type": "Primary",
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"vectorString": "AV:L/AC:L/Au:N/C:C/I:N/A:N",
"accessVector": "LOCAL",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "COMPLETE",
"integrityImpact": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.9
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 3.9,
"impactScore": 6.9,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-200"
}
]
}
],
"configurations": [
{
"nodes": [
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"operator": "OR",
"negate": false,
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"references": [
{
"url": "http://www.securityfocus.com/bid/103088",
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory",
"VDB Entry"
]
},
{
"url": "https://lkml.org/lkml/2018/2/20/669",
"source": "cve@mitre.org",
"tags": [
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},
{
"url": "https://www.exploit-db.com/exploits/44325/",
"source": "cve@mitre.org",
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}
]
}