CVE-2018-17158

In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, an integer overflow error can occur when handling the client address length field in an NFSv4 request. Unprivileged remote users with access to the NFS server can crash the system by sending a specially crafted NFSv4 request.

CVSS v3 7.5 HIGH
CVSS v2.0 7.8 HIGH

7.5^/10

CVSS v3 : HIGH

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

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://www.securityfocus.com/bid/106192	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1042164	Third Party Advisory VDB Entry
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-24/	Third Party Advisory
https://security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.asc	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:freebsd:freebsd::::::::
	cpe:2.3:o:freebsd:freebsd:11.2:p5::::::

History

No history.

Information

Published : 2018-12-04 15:29

Updated : 2023-12-10 12:44

NVD link : CVE-2018-17158

Mitre link : CVE-2018-17158

CVE.ORG link : CVE-2018-17158

JSON object : View

Products Affected

freebsd

freebsd

CWE

CWE-190

Integer Overflow or Wraparound

{"id": "CVE-2018-17158", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2018-12-04T15:29:00.307", "references": [{"url": "http://www.securityfocus.com/bid/106192", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secteam@freebsd.org"}, {"url": "http://www.securitytracker.com/id/1042164", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secteam@freebsd.org"}, {"url": "https://secuniaresearch.flexerasoftware.com/secunia_research/2018-24/", "tags": ["Third Party Advisory"], "source": "secteam@freebsd.org"}, {"url": "https://security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.asc", "tags": ["Third Party Advisory"], "source": "secteam@freebsd.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "value": "In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, an integer overflow error can occur when handling the client address length field in an NFSv4 request. Unprivileged remote users with access to the NFS server can crash the system by sending a specially crafted NFSv4 request."}, {"lang": "es", "value": "En FreeBSD, en versiones anteriores a la 11.2-STABLE(r340854) y la 11.2-RELEASE-p5, puede ocurrir un error de desbordamiento de enteros al manejar el campo de longitud de direcci\u00f3n del cliente en una petici\u00f3n NFSv4. Los usuarios remotos sin privilegios con acceso al servidor NFS pueden provocar el cierre inesperado del sistema mediante el env\u00edo de una petici\u00f3n NFSv4 especialmente manipulada."}], "lastModified": "2018-12-31T16:44:59.583", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B7354D16-6431-43C2-97BA-EBBF482572C9", "versionEndExcluding": "11.2"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.2:p5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E86CD544-86C4-4D9D-9CE5-087027509EDA"}], "operator": "OR"}]}], "sourceIdentifier": "secteam@freebsd.org"}