diff options
| author | Jeff Davis | 2023-06-09 18:20:47 +0000 |
|---|---|---|
| committer | Jeff Davis | 2023-06-09 18:20:47 +0000 |
| commit | 05e17373517114167d002494e004fa0aa32d1fd1 (patch) | |
| tree | 2d96a124ad8a75d5d717d930f634c985f48e4166 /src/include/utils/guc.h | |
| parent | 9aee26a491ba9b7ceff40e6192183ab7200b6bfb (diff) | |
Fix search_path to a safe value during maintenance operations.
While executing maintenance operations (ANALYZE, CLUSTER, REFRESH
MATERIALIZED VIEW, REINDEX, or VACUUM), set search_path to
'pg_catalog, pg_temp' to prevent inconsistent behavior.
Functions that are used for functional indexes, in index expressions,
or in materialized views and depend on a different search path must be
declared with CREATE FUNCTION ... SET search_path='...'.
This change addresses a security risk introduced in commit 60684dd834,
where a role with MAINTAIN privileges on a table may be able to
escalate privileges to the table owner. That commit is not yet part of
any release, so no need to backpatch.
Discussion: https://postgr.es/m/e44327179e5c9015c8dda67351c04da552066017.camel%40j-davis.com
Reviewed-by: Greg Stark
Reviewed-by: Nathan Bossart
Diffstat (limited to 'src/include/utils/guc.h')
| -rw-r--r-- | src/include/utils/guc.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/include/utils/guc.h b/src/include/utils/guc.h index d5253c7ed23..edd82a551ba 100644 --- a/src/include/utils/guc.h +++ b/src/include/utils/guc.h @@ -202,6 +202,12 @@ typedef enum #define GUC_QUALIFIER_SEPARATOR '.' /* + * Safe search path when executing code as the table owner, such as during + * maintenance operations. + */ +#define GUC_SAFE_SEARCH_PATH "pg_catalog, pg_temp" + +/* * Bit values in "flags" of a GUC variable. Note that these don't appear * on disk, so we can reassign their values freely. */ |