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CVE-2018-16470

Good to know:

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Date: November 13, 2018

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.

Language: Ruby

Severity Score

Related Resources (8)

https://groups.google.com/forum/#!topic/ruby-security-ann/Dz4sRl-ktKk
https://groups.google.com/forum/#%21msg/rubyonrails-security/U_x-YkfuVTg/xhvYAmp6AAAJ
https://access.redhat.com/errata/RHSA-2019:3172
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2018-16470.yml
https://nvd.nist.gov/vuln/detail/CVE-2018-16470
https://github.com/rack/rack
https://groups.google.com/forum/#!msg/rubyonrails-security/U_x-YkfuVTg/xhvYAmp6AAAJ
https://www.mend.io/vulnerability-database/CVE-2018-16470

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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