CVE-2018-1000028

Linux kernel version after commit bdcf0a423ea1 - 4.15-rc4+, 4.14.8+, 4.9.76+, 4.4.111+ contains a Incorrect Access Control vulnerability in NFS server (nfsd) that can result in remote users reading or writing files they should not be able to via NFS. This attack appear to be exploitable via NFS server must export a filesystem with the "rootsquash" options enabled. This vulnerability appears to have been fixed in after commit 1995266727fa.

CVSS v3 7.4 HIGH
CVSS v2.0 5.8 MEDIUM

7.4^/10

CVSS v3 : HIGH

Vector : AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploitability : 2.2 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:N

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://git.kernel.org/linus/1995266727fa8143897e89b55f5d3c79aa828420	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:4.15:rc4::::::

History

No history.

Information

Published : 2018-02-09 23:29

Updated : 2019-10-03 00:03

NVD link : CVE-2018-1000028

Mitre link : CVE-2018-1000028

CVE.ORG link : CVE-2018-1000028

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-269

Improper Privilege Management

{"id": "CVE-2018-1000028", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.4, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.2}]}, "published": "2018-02-09T23:29:00.933", "references": [{"url": "https://git.kernel.org/linus/1995266727fa8143897e89b55f5d3c79aa828420", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-269"}]}], "descriptions": [{"lang": "en", "value": "Linux kernel version after commit bdcf0a423ea1 - 4.15-rc4+, 4.14.8+, 4.9.76+, 4.4.111+ contains a Incorrect Access Control vulnerability in NFS server (nfsd) that can result in remote users reading or writing files they should not be able to via NFS. This attack appear to be exploitable via NFS server must export a filesystem with the \"rootsquash\" options enabled. This vulnerability appears to have been fixed in after commit 1995266727fa."}, {"lang": "es", "value": "El kernel de Linux, en versiones posteriores al commit con ID bdcf0a423ea1 - 4.15-rc4+, 4.14.8+, 4.9.76+, 4.4.111+, contiene una vulnerabilidad de control de acceso incorrecto en el servidor NFS (nfsd) que puede resultar en que usuarios remotos lean o escriban archivos para los que no deber\u00edan tener permisos mediante NFS. Este ataque parece ser explotable por un servidor NFS que debe exportar un sistema de archivos con las opciones \"rootsquash\" habilitadas. Parece ser que la vulnerabilidad se ha solucionado tras el commit con ID 1995266727fa."}], "lastModified": "2019-10-03T00:03:26.223", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E778219C-50A1-46C3-B49B-1499375EE810", "versionEndIncluding": "4.4.119", "versionStartIncluding": "4.4.111"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EF7A494F-69FE-49CD-9DE6-82B8FAE48CC6", "versionEndIncluding": "4.9.85", "versionStartIncluding": "4.9.76"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CECBFCFD-4F6F-4AF7-96A4-E761A3A475D9", "versionEndIncluding": "4.14.23", "versionStartIncluding": "4.14.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF4309DD-084C-4B94-B5BF-288109BCBC21", "versionEndIncluding": "4.15.7", "versionStartIncluding": "4.15.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.15:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EBC4657A-0239-47DF-B582-87D8DFA69439"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}