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123 lines
3.7 KiB
JSON
123 lines
3.7 KiB
JSON
{
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"id": "CVE-2018-7273",
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"sourceIdentifier": "cve@mitre.org",
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"published": "2018-02-21T00:29:00.333",
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"lastModified": "2019-03-01T19:57:57.130",
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"vulnStatus": "Analyzed",
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"descriptions": [
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{
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"lang": "en",
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"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."
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},
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{
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"lang": "es",
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"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."
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}
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],
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"metrics": {
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"cvssMetricV30": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.0",
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"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "NONE",
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"availabilityImpact": "NONE",
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"baseScore": 5.5,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 3.6
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}
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],
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"cvssMetricV2": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "2.0",
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"vectorString": "AV:L/AC:L/Au:N/C:C/I:N/A:N",
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"accessVector": "LOCAL",
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"accessComplexity": "LOW",
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"authentication": "NONE",
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"confidentialityImpact": "COMPLETE",
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"integrityImpact": "NONE",
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"availabilityImpact": "NONE",
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"baseScore": 4.9
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},
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"baseSeverity": "MEDIUM",
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"exploitabilityScore": 3.9,
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"impactScore": 6.9,
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"acInsufInfo": false,
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"obtainAllPrivilege": false,
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"obtainUserPrivilege": false,
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"obtainOtherPrivilege": false,
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"userInteractionRequired": false
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-200"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndIncluding": "4.15.4",
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"matchCriteriaId": "9CE35792-B3C6-4851-93F3-3C6FA0893FC2"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "http://www.securityfocus.com/bid/103088",
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"source": "cve@mitre.org",
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"tags": [
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"Third Party Advisory",
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"VDB Entry"
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]
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},
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{
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"url": "https://lkml.org/lkml/2018/2/20/669",
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"source": "cve@mitre.org",
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"tags": [
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"Mailing List",
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"Third Party Advisory"
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]
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},
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{
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"url": "https://www.exploit-db.com/exploits/44325/",
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"source": "cve@mitre.org",
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"tags": [
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"Exploit",
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"Third Party Advisory",
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"VDB Entry"
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]
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}
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]
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} |