Hi,

I am planning to use JEXL library in my SaaS based product to run 
JavaScripts/JexlScripts(I understand, Jexl is not exactly java script).

Since, security is one of the most important requirements for any SaaS based 
product, I am going to use Jexl Sandbox and Jexl Features to secure my 
application. I see that in Jexl features, we have a way to turn off the loops 
but for my requirement, I need to enable loops in the scripts.

Is there a way detect infinite loops incase someone write's such an expression 
which turn into infinite loop during evaluation? Also, someone can also try to 
sabotage our application by running infinite loops. Is there a way to detect 
and avoid such a security issue?

PS: I would really appreciate if you could let me know any other security 
aspects which I need to consider while using JEXL library.

Thanks,
Aditya
—
Aditya Kumar1
Technology Architect
Precisely.com

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