Content-Length Manipulation Vulnerability in Rails ActiveStorage's S3 Adapter

Content-Length Manipulation Vulnerability in Rails ActiveStorage's S3 Adapter

CVE-2020-8162 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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.

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