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https://issues.apache.org/jira/browse/IMPALA-4244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong updated IMPALA-4244:
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Target Version: Product Backlog
> Impala should strip all strings from log output unless explicitly configured
> to do so
> -------------------------------------------------------------------------------------
>
> Key: IMPALA-4244
> URL: https://issues.apache.org/jira/browse/IMPALA-4244
> Project: IMPALA
> Issue Type: Improvement
> Components: Frontend
> Affects Versions: Impala 2.5.0
> Reporter: Laszlo Gaal
> Priority: Major
> Labels: security, supportability
>
> Currently there are multiple code locations where query text is written to
> the logs. This is particularly bad when it happens before the query is
> parsed, as there is no reliable way to identify strings in the query text due
> to various quoting and escaping schemes.
> Printing query text or text strings like this could leak sensitive
> information into the logs. Particularly bad example (collected from the wild):
> {code:java}
> I0610 13:06:43.571676 2022 Frontend.java:818] analyze query SELECT user_id,
> username, group_id FROM db.table WHERE username='USER' AND password='BAD'"
> {code}
> Totally forbidding the presence of query text in the logs would make it too
> hard to debug or support Impala, so there should be a global switch governing
> this behavior.
> When the switch is set to disabling text printing, Impala should:
> * not print unparsed query text to the logs; it should just print query IDs
> * strip strings from the log output
> When the switch is set to enabled Impala should
> * print unparsed query text to the log
> * let strings pass through to the logs, including parameter values, table
> names, column names etc.
> The default (unconfigured) state of this switch should be disabled.
> Impala should probably indicate if the switch is set to enabled to warn the
> user about possibly sensitive information being written to the logs.
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