Claude
85a3359186
Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01JXVi2GMQ7bR5EmbUFdDj7N
35 lines
2.7 KiB
Plaintext
35 lines
2.7 KiB
Plaintext
# Sixteen queries against four setups on a real PostgreSQL 16
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query neither guard only role only both
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DELETE FROM order_items HARM guard db guard
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second statement drops a table HARM guard db guard
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table the assistant must not see HARM guard db guard
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email column of an allowed table HARM HARM db db
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system catalog: list database roles HARM guard HARM guard
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pg_sleep(3) HARM guard db guard
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read a server file HARM guard db guard
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data-modifying CTE HARM guard db guard
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row locks on every order HARM guard db guard
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SELECT INTO makes a table HARM guard db guard
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2 billion generated rows HARM guard db guard
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turn read-only off for the session HARM guard HARM guard
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cartesian product, allowed names only HARM HARM db db
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(legit) join and group ok ok ok ok
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(legit) harmless comment ok ok ok ok
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(legit) date_part, not on the list ok guard ok guard
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harmful outcomes out of 13 harmful queries: neither 13, guard only 2, role only 2, both 0
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what the database said to the read-only role:
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DELETE FROM order_items ERROR: cannot execute DELETE in a read-only transaction
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second statement drops a table ERROR: cannot execute DROP TABLE in a read-only transaction
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table the assistant must not see ERROR: permission denied for table api_keys
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email column of an allowed table ERROR: permission denied for table customers
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pg_sleep(3) ERROR: canceling statement due to statement timeout
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read a server file ERROR: permission denied for function pg_read_file
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data-modifying CTE ERROR: cannot execute SELECT in a read-only transaction
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row locks on every order ERROR: cannot execute SELECT FOR UPDATE in a read-only transaction
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SELECT INTO makes a table ERROR: cannot execute SELECT INTO in a read-only transaction
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2 billion generated rows ERROR: canceling statement due to statement timeout
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cartesian product, allowed names only ERROR: canceling statement due to statement timeout
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