Arbitrary Code Injection Affecting activestorage package, versions >=5.2.0, <5.2.6.3 >=6.0.0, <6.0.4.7 >=6.1.0, <6.1.4.7 >=7.0.0, <7.0.2.3
Threat Intelligence
Exploit Maturity
Proof of concept
EPSS
4.82% (93rd
percentile)
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Test your applications- Snyk ID SNYK-RUBY-ACTIVESTORAGE-2420035
- published 9 Mar 2022
- disclosed 9 Mar 2022
- credit gquadros, Zack Deveau
Introduced: 9 Mar 2022
CVE-2022-21831 Open this link in a new tabHow to fix?
Upgrade activestorage to version 5.2.6.3, 6.0.4.7, 6.1.4.7, 7.0.2.3 or higher.
Overview
Affected versions of this package are vulnerable to Arbitrary Code Injection where the transformation method or its arguments are untrusted arbitrary input.
Note:
This vulnerability impacts applications that use Active Storage with the image_processing processing in addition to the mini_magick back end
for image_processing.
PoC:
<%= image_tag blob.variant(params[:t] => params[:v]) %>
CVSS Scores
version 3.1