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 ------ master Details ------- https://git.postgresql.org/pg/commitdiff/0abc1a059e27c5a71a1a186c97d9c0af407469cc 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(-)
