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Loading globs is easily exploitable #212

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perlpunk opened this issue Apr 27, 2019 · 2 comments · Fixed by #213
Closed

Loading globs is easily exploitable #212

perlpunk opened this issue Apr 27, 2019 · 2 comments · Fixed by #213

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@perlpunk
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...so it should be only possible when $YAML::LoadCode is true.

I have a fix ready.
@perlpunk perlpunk mentioned this issue Apr 27, 2019
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@perlpunk perlpunk reopened this Apr 27, 2019
@perlpunk
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reopen until 1.28 is released

@perlpunk
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released 1.28

The following YAML resulted in $YAML::LoadCode set to 1:

--- !!perl/glob
PACKAGE: YAML
NAME: LoadCode
SCALAR: 1
EOM

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Security fix: Disable loading glob values when $LoadCode is 0 ingydotnet/yaml-pm
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@perlpunk