In REFRESH MATERIALIZED VIEW, set user ID before running user code. It intended to, but did not, achieve this. Adopt the new standard of setting user ID just after locking the relation. Back-patch to v10 (all supported versions).
Reviewed by Simon Riggs. Reported by Alvaro Herrera. Security: CVE-2022-1552 Branch ------ REL_13_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/88743d581e1bdedc13e4ca33c5a6597a5d2dbdc4 Modified Files -------------- src/backend/commands/matview.c | 30 +++++++++++------------------- src/test/regress/expected/privileges.out | 16 ++++++++++++++++ src/test/regress/sql/privileges.sql | 17 +++++++++++++++++ 3 files changed, 44 insertions(+), 19 deletions(-)
