CVE-2020-8162

HIGH

Rails <5.2.4.2, <6.0.3.1 - Info Disclosure

Title source: llm

Description

A client side enforcement of server side security vulnerability exists in rails < 5.2.4.2 and rails < 6.0.3.1 ActiveStorage's S3 adapter that allows the Content-Length of a direct file upload to be modified by an end user bypassing upload limits.

Exploits (1)

nomisec STUB
by usutani · poc
https://github.com/usutani/study-turbolinks-link

Scores

CVSS v3 7.5
EPSS 0.0155
EPSS Percentile 81.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CWE
CWE-434 CWE-602
Status published
Products (3)
debian/debian_linux 10.0
rubygems/activestorage 5.0.0 - 5.2.4.3RubyGems
rubyonrails/rails < 5.2.4.2
Published Jun 19, 2020
Tracked Since Feb 18, 2026