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Posted to issues@kylin.apache.org by GitBox <gi...@apache.org> on 2022/02/09 08:20:20 UTC

[GitHub] [kylin] happyhacking123 commented on pull request #1811: fix

happyhacking123 commented on pull request #1811:
URL: https://github.com/apache/kylin/pull/1811#issuecomment-1033476245


   ' (Single quotation marks) is special character that must be add in SPARK_CONF_REGULAR_EXPRESSION, because command injection is realized after closing single quotation marks(` [backtick] cannot be executed as commands within single quotes).
   It is recommended to block the command injection special characters in “SPARK_CONF_REGULAR_EXPRESSION”:
   1) ` (backtick)
   2) $()
   3) ' 
   4) &
   5) |
   6) "
   7) ;
   8) `>`
   9) <


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