[Security] Bump carrierwave from 1.3.1 to 1.3.2

[dependabot-preview]

Bumps carrierwave from 1.3.1 to 1.3.2. This update includes security fixes.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

Server-side request forgery in CarrierWave

Impact

CarrierWave download feature 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 or 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.

References

Server-Side Request Forgery Prevention Cheat Sheet

For more information

If you have any questions or comments about this advisory:

• Open an issue in CarrierWave repo
• Email me at mit.shibuya@gmail.com

Affected versions: < 1.3.2

Sourced from The GitHub Security Advisory Database.

Code Injection vulnerability in CarrierWave::RMagick

Impact

CarrierWave::RMagick 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

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 or 1.3.2.

Workarounds

Stop supplying untrusted input to #manipulate!'s mutation option.

... (truncated)

Affected versions: < 1.3.2

Changelog

Sourced from carrierwave's changelog.

1.3.2 - 2021-02-08

Fixed

• Fix Ruby 2.7 deprecations(@aubinlrx #2462)

Security

• Fix Code Injection vulnerability in CarrierWave::RMagick (@mshibuya eb9346df, GHSA-cf3w-g86h-35x4)
• Fix SSRF vulnerability in the remote file download feature (@mshibuya 91714add, GHSA-fwcm-636p-68r5)

Commits

• 56f39b2 Version 1.3.2
• eb9346d Fix Code Injection vulnerability in CarrierWave::RMagick
• 91714ad Fix SSRF vulnerability in the remote file download feature
• 8228e1b URI.open does not exist before Ruby 2.5
• ac3d006 URI.encode becomes escape, not unescape
• 0712435 Merge pull request #2462 from aubinlrx/tweak/deprecation_warning_ruby_27
• c3c652a Cloud not make JRuby build pass on Xenial, reverting back to Trusty
• 0cbea95 Fix build issues with PostgreSQL and ImageMagick
• 6097836 use URI.open instead of Kernel.open for Ruby 2.7
• f10026b Use URI::DEFAULT_PARSER.unescape instead of URI.decode for Ruby 2.7
• Additional commits viewable in compare view

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