CVE-2020-8162: 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…

PriorityP345high7.5CVSS 3.1

AVNACLPRNUINSUCNIHAN

EPSS

3.06%

86.2th percentile

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.

Affected

11 ranges

Vendor	Product	Version range	Fixed in
debian	debian_linux	—	—
debian	rails	< rails 2:5.2.4.3+dfsg-1 (bookworm)	rails 2:5.2.4.3+dfsg-1 (bookworm)
https	github.com_rails_rails	—	—
rails	activestorage	>= 5.0.0 < 5.2.4.3	5.2.4.3
rails	activestorage	>= 6.0.0 < 6.0.3.1	6.0.3.1
rubyonrails	rails	< 5.2.4.2	5.2.4.2
rubyonrails	rails	>= 0 < 2:5.2.4.3+dfsg-1	2:5.2.4.3+dfsg-1
rubyonrails	rails	>= 0 < 2:5.2.4.3+dfsg-1	2:5.2.4.3+dfsg-1
rubyonrails	rails	>= 0 < 2:5.2.4.3+dfsg-1	2:5.2.4.3+dfsg-1
rubyonrails	rails	>= 0 < 2:5.2.4.3+dfsg-1	2:5.2.4.3+dfsg-1
rubyonrails	rails	>= 6.0.0 < 6.0.3.1	6.0.3.1

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N

osv7.5HIGH

vendor_debian7.5HIGH

vendor_redhat7.5HIGH

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