Check and remove execute permission from the config file #317
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PR Summary
A malicious actor could add the 'execute' permission to the configuration file on Linux and macOS. Since we depend on shell execute to open the configuration file in the default text editor on the system, this could cause the file to be executed if the content gets set to be shell script.
To guard against this, we detect if the configuration file has 'execute' permission set, and if so we try to remove the 'execute' permission. If we fail to remove due to lack of access level, we write out an error about it and return.