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_10_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/f26d5702857a9c027f84850af48b0eea0f3aa15c 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(-)
