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| purl | pkg:gem/carrierwave@1.4 |
| Tags | Ghost |
| Vulnerability | Summary | Fixed by |
|---|---|---|
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VCID-8qcp-bmgq-wye6
Aliases: CVE-2021-21305 GHSA-cf3w-g86h-35x4 |
Code Injection vulnerability in CarrierWave::RMagick ### Impact [CarrierWave::RMagick](https://github.com/carrierwaveuploader/carrierwave/blob/master/lib/carrierwave/processing/rmagick.rb) has a Code Injection vulnerability. Its `#manipulate!` method inappropriately evals the content of mutation option(`:read`/`:write`), allowing attackers to craft a string that can be executed as a Ruby code. If an application developer supplies untrusted inputs to the option, it will lead to remote code execution(RCE). (But supplying untrusted input to the option itself is dangerous even in absence of this vulnerability, since is prone to DoS vulnerability - attackers can try to consume massive amounts of memory by resizing to a very large dimension) ### Proof of Concept ```ruby class MyUploader < CarrierWave::Uploader::Base include CarrierWave::RMagick end MyUploader.new.manipulate!({ read: { density: "1 }; p 'Hacked'; {" }}) # => shows "Hacked" ``` ### Patches Upgrade to [2.1.1](https://rubygems.org/gems/carrierwave/versions/2.1.1) or [1.3.2](https://rubygems.org/gems/carrierwave/versions/1.3.2). ### Workarounds Stop supplying untrusted input to `#manipulate!`'s mutation option. |
Affected by 2 other vulnerabilities. Affected by 2 other vulnerabilities. |
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VCID-gfzv-e2cs-c3dz
Aliases: CVE-2021-21288 GHSA-fwcm-636p-68r5 |
Server-side request forgery in CarrierWave ### Impact [CarrierWave download feature](https://github.com/carrierwaveuploader/carrierwave#uploading-files-from-a-remote-location has an SSRF vulnerability, allowing attacks to provide DNS entries or IP addresses that are intended for internal use and gather information about the Intranet infrastructure of the platform. ### Patches Upgrade to [2.1.1](https://rubygems.org/gems/carrierwave/versions/2.1.1) or [1.3.2](https://rubygems.org/gems/carrierwave/versions/1.3.2). ### Workarounds Using proper network segmentation and applying the principle of least privilege to outbound connections from application servers can reduce the severity of SSRF vulnerabilities. Ideally the vulnerable gem should run on an isolated server without access to any internal network resources or cloud metadata access. |
Affected by 2 other vulnerabilities. Affected by 2 other vulnerabilities. |
| Vulnerability | Summary | Aliases |
|---|---|---|
| This package is not known to fix vulnerabilities. | ||
| Date | Actor | Action | Vulnerability | Source | VulnerableCode Version |
|---|---|---|---|---|---|
| 2026-06-04T16:14:48.740083+00:00 | Ruby Importer | Affected by | VCID-gfzv-e2cs-c3dz | https://github.com/rubysec/ruby-advisory-db/blob/master/gems/carrierwave/CVE-2021-21288.yml | 38.6.0 |
| 2026-06-04T16:14:48.678054+00:00 | Ruby Importer | Affected by | VCID-8qcp-bmgq-wye6 | https://github.com/rubysec/ruby-advisory-db/blob/master/gems/carrierwave/CVE-2021-21305.yml | 38.6.0 |