CVE-2018-16470

There is a possible DoS vulnerability in the multipart parser in Rack before 2.0.6. Specially crafted requests can cause the multipart parser to enter a pathological state, causing the parser to use CPU resources disproportionate to the request size.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

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

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://access.redhat.com/errata/RHSA-2019:3172
https://groups.google.com/forum/#%21msg/rubyonrails-security/U_x-YkfuVTg/xhvYAmp6AAAJ

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:rack_project:rack:2.0.4:::::::*
	cpe:2.3:a:rack_project:rack:2.0.5:::::::*

History

No history.

Information

Published : 2018-11-13 23:29

Updated : 2024-02-04 20:03

NVD link : CVE-2018-16470

Mitre link : CVE-2018-16470

CVE.ORG link : CVE-2018-16470

JSON object : View

Products Affected

rack_project

rack

CWE

CWE-400

Uncontrolled Resource Consumption

{"id": "CVE-2018-16470", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "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": "2018-11-13T23:29:00.263", "references": [{"url": "https://access.redhat.com/errata/RHSA-2019:3172", "source": "support@hackerone.com"}, {"url": "https://groups.google.com/forum/#%21msg/rubyonrails-security/U_x-YkfuVTg/xhvYAmp6AAAJ", "source": "support@hackerone.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-400"}]}, {"type": "Secondary", "source": "support@hackerone.com", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "There is a possible DoS vulnerability in the multipart parser in Rack before 2.0.6. Specially crafted requests can cause the multipart parser to enter a pathological state, causing the parser to use CPU resources disproportionate to the request size."}, {"lang": "es", "value": "Hay una posible vulnerabilidad de denegaci\u00f3n de servicio (DoS) en el analizador multiparte en Rack en versiones anteriores a la 2.0.6. Las peticiones especialmente manipuladas pueden provocar que el analizador multiparte entre en estado patol\u00f3gico, haciendo que emplee una cantidad de recursos de CPU desproporcionada al tama\u00f1o de la petici\u00f3n."}], "lastModified": "2023-11-07T02:53:46.120", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:rack_project:rack:2.0.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0D44D7B2-AB7B-4707-8B72-E6E5F5DF9E7C"}, {"criteria": "cpe:2.3:a:rack_project:rack:2.0.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "86B4E304-9FDE-46CB-A52D-7E4870DCFE01"}], "operator": "OR"}]}], "sourceIdentifier": "support@hackerone.com"}