CVE-2018-16470 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://access.redhat.com/errata/RHSA-2019:3172 https://groups.google.com/forum/!msg/rubyonrails-security/U_x-YkfuVTg/xhvYAmp6AAAJ

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5