CVE-2018-16470

rubygem-rack: Buffer size in multipart parser allows for denial of service

Published Nov 13, 2018 CVSS 3.0 · 7.5 High EPSS 2.0% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2018-0756 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.
Github GHSA Github GHSA GHSA-hg78-4f6x-99wq Rack vulnerable to Denial of Service
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
hackerone
Published
Updated
Aug 5, 2024, 10:24 AM
Reserved
Sep 4, 2018, 12:00 AM
Status
Modified
Published
Nov 13, 2018, 11:29 PM
Modified
Jun 17, 2026, 1:44 AM
Severity
Moderate
Public date
Nov 6, 2018, 12:00 AM