Comments (6)
Nice find! The problem is that ClearScript traps Object.GetType
but not Exception.GetType
.
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@ClearScriptLib I assume you're overriding GetType
on that exception, maybe check if the calling method is an override of Object.GetType
using this on this?
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@Rene-Sackers Exception.GetType
isn't an override of Object.GetType
; in fact, the latter isn't virtual. Exception.GetType
is an implementation of an interface method (_Exception.GetType
). It calls Object.GetType
internally, but otherwise the methods are unrelated. Our fix simply blocks all three.
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Thank you for the quick fix!
from clearscript.
Cool! One more question though.
Shouldn't all these be checked/blocked, in case any are exposed through AddHostType
? It might be irrelevant, only a question/suggestion :)
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@Rene-Sackers You make a good point, but most of the remaining GetType
methods are reachable only if the script has already gained access to a reflection object. We also don't expect hosts to expose JScript.NET internals for scripting. AppDomain
is an interesting case, but Object
and Exception
should cover most things likely to be made scriptable.
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