security(encoding/yaml): disable functions #1275
Merged
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Which could allow arbitrary code execution when parsing YAML files with the extended schema, e.g:
Example of misuse
Will log
Deno.coreProof of fix
Will throw with
Uncaught YAMLError: unknown tag !<tag:yaml.org,2002:js/function> at line 4, column 1:Notes
EXTENDED_SCHEMAwhich is uncommon) and parsing untrusted YAML files