CVE-2021-33564
Critical
Description
An argument injection vulnerability in the Dragonfly gem before 1.4.0 for Ruby allows remote attackers to read and write to arbitrary files via a crafted URL when the verify_url option is disabled. This may lead to code execution. The problem occurs because the generate and process features mishandle use of the ImageMagick convert utility.
SeverityCritical
CVSS9.8
Exploit probability—
ProductDragonfly
PublishedMay 29, 2021
First seenMay 29, 2021
How to fix
Update
- dragonfly_project dragonfly1.4.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dragonfly_project dragonfly | v < 1.4.0 | 1.4.0 |
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