diff options
| author | Bruce Momjian | 2022-09-01 01:10:37 +0000 |
|---|---|---|
| committer | Bruce Momjian | 2022-09-01 01:10:37 +0000 |
| commit | a3471ab93ac21358c80d8a87b31f7eb372d7a476 (patch) | |
| tree | 6af57c13b4496973b309609beff26ee76e54f850 /doc/src | |
| parent | 16417ba58e9256903fa120881aa299db0101fac5 (diff) | |
doc: warn of SECURITY DEFINER schemas for non-sql_body functions
Non-sql_body functions are evaluated at runtime.
Reported-by: Erki Eessaar
Discussion: https://postgr.es/m/AM9PR01MB8268BF5E74E119828251FD34FE409@AM9PR01MB8268.eurprd01.prod.exchangelabs.com
Backpatch-through: 10
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/ref/create_function.sgml | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/src/sgml/ref/create_function.sgml b/doc/src/sgml/ref/create_function.sgml index 74866e8b353..5762d973090 100644 --- a/doc/src/sgml/ref/create_function.sgml +++ b/doc/src/sgml/ref/create_function.sgml @@ -715,7 +715,10 @@ SELECT * FROM dup(42); <para> Because a <literal>SECURITY DEFINER</literal> function is executed with the privileges of the user that owns it, care is needed to - ensure that the function cannot be misused. For security, + ensure that the function cannot be misused. This is particularly + important for non-<replaceable>sql_body</replaceable> functions because + their function bodies are evaluated at run-time, not creation time. + For security, <xref linkend="guc-search-path"/> should be set to exclude any schemas writable by untrusted users. This prevents malicious users from creating objects (e.g., tables, functions, and |