Paperclip ruby gem version 3.1.4 and later suffers from a Server-SIde Request Forgery (SSRF) vulnerability in the Paperclip::UriAdapter class. Attackers may be able to access information about internal network resources.
- https://nvd.nist.gov/vuln/detail/CVE-2017-0889
- https://github.com/thoughtbot/paperclip/pull/2435
- https://hackerone.com/reports/209430
- https://hackerone.com/reports/713
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/paperclip/CVE-2017-0889.yml
- https://github.com/advisories/GHSA-5jcf-c5rg-rmm8