50 percent, that's half of it. Women make up roughly half of the world's population. But they rarely make up half the participant on discussion panels, on the microphone, in talk show or conferences. "50 Prozent" documents, how many women* there are.
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.
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.
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
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Bumps carrierwave from 1.3.1 to 1.3.2. This update includes security fixes.
Vulnerabilities fixed
Sourced from The GitHub Security Advisory Database.
Sourced from The GitHub Security Advisory Database.
... (truncated)
Changelog
Sourced from carrierwave's changelog.
Commits
56f39b2Version 1.3.2eb9346dFix Code Injection vulnerability in CarrierWave::RMagick91714adFix SSRF vulnerability in the remote file download feature8228e1bURI.open does not exist before Ruby 2.5ac3d006URI.encode becomes escape, not unescape0712435Merge pull request #2462 from aubinlrx/tweak/deprecation_warning_ruby_27c3c652aCloud not make JRuby build pass on Xenial, reverting back to Trusty0cbea95Fix build issues with PostgreSQL and ImageMagick6097836use URI.open instead of Kernel.open for Ruby 2.7f10026bUse URI::DEFAULT_PARSER.unescape instead of URI.decode for Ruby 2.7Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
@dependabot rebase.Dependabot commands and options
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