FlavourSaver handlebars helper remote code execution.

Metadata

unknown
unknown
flavour_saver
osvdb.org
2014-09-04
2017-04-01 19:10
2017-01-05 20:15

Description

FlavourSaver contains a flaw in helper method dispatch where it uses
Kernel::send to call helpers without checking that they are defined
within the template context first. This allows expressions such as
{{system "ls"}} or {{eval "puts 1 + 1"}} to be executed.

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Affected package information

Package Patched in Unaffected in
flavour_saver >= 0.3.3 None