Description
A bypass vulnerability in Active Storage >= 5.2.0 for Google Cloud Storage and Disk services allow an attacker to modify the `content-disposition` and `content-type` parameters which can be used in with HTML files and have them executed inline. Additionally, if combined with other techniques such as cookie bombing and specially crafted AppCache manifests, an attacker can gain access to private signed URLs within a specific storage path. This vulnerability has been fixed in version 5.2.1.1.
References (2)
Core 2
Core References
Exploit, Mailing List, Mitigation, Third Party Advisory x_refsource_misc
https://groups.google.com/d/msg/rubyonrails-security/3KQRnXDIuLg/mByx5KkqBAAJ
Vendor Advisory x_refsource_misc
https://weblog.rubyonrails.org/2018/11/27/Rails-4-2-5-0-5-1-5-2-have-been-released/
Scores
CVSS v3
6.5
EPSS
0.0026
EPSS Percentile
49.4%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Details
CWE
CWE-200
Status
published
Products (2)
rubygems/activestorage
5.2.0 - 5.2.1.1RubyGems
rubyonrails/rails
5.2.0 - 5.2.1.1
Published
Nov 30, 2018
Tracked Since
Feb 18, 2026