{"id":"CVE-2020-8162","details":"A client side enforcement of server side security vulnerability exists in rails \u003c 5.2.4.2 and rails \u003c 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.","aliases":["GHSA-m42x-37p3-fv5w"],"modified":"2026-04-10T04:28:18.003224Z","published":"2020-06-19T17:15:18.583Z","related":["openSUSE-SU-2024:11328-1","openSUSE-SU-2024:11329-1","openSUSE-SU-2024:11827-1"],"references":[{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4766"},{"type":"FIX","url":"https://groups.google.com/g/rubyonrails-security/c/PjU3946mreQ"},{"type":"EVIDENCE","url":"https://hackerone.com/reports/789579"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/rails/rails","events":[{"introduced":"0"},{"fixed":"4dcc5435e9569e084f6f90fcea6e7c37d7bd2b4d"},{"introduced":"66cabeda2c46c582d19738e1318be8d59584cc5b"},{"fixed":"34991a6ae2fc68347c01ea7382fa89004159e019"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"5.2.4.2"},{"introduced":"6.0.0"},{"fixed":"6.0.3.1"}]}}],"versions":["v0.10.0","v0.10.1","v0.11.0","v0.11.1","v0.12.0","v0.13.0","v0.13.1","v0.14.1","v0.14.3","v0.9.1","v0.9.2","v0.9.3","v0.9.4","v0.9.4.1","v0.9.5","v1.1.0","v1.1.0_RC1","v1.1.1","v2.0.0","v2.0.0_PR","v2.0.0_RC1","v2.0.0_RC2","v2.0.1","v3.0.0.beta.3","v3.0.0.beta3","v3.1.0.beta1","v3.1.0.rc1","v3.2.0.rc1","v4.0.0.beta1","v4.0.0.rc1","v4.2.0.beta1","v5.0.0.beta1","v5.0.0.beta2","v5.0.0.beta4","v5.1.0.beta1","v5.2.0.rc1","v5.2.1.rc1","v5.2.4","v5.2.4.1","v5.2.4.rc1","v6.0.0","v6.0.3","v6.0.3.rc1"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"10.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8162.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}