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authorJoseph Sutton <josephsutton@catalyst.net.nz>2022-06-21 14:41:02 +1200
committerJule Anger <janger@samba.org>2022-07-24 09:20:21 +0200
commit59cd645b3958eeb7b359ed5b488820070873fac8 (patch)
tree34aacd7bcb6294528e57876c2a80d7095317e98e
parentc83967ad71ae1fbacb6cec696face96aef1d2e22 (diff)
downloadsamba-59cd645b3958eeb7b359ed5b488820070873fac8.tar.gz
CVE-2022-32746 s4/dsdb/partition: Fix LDB flags comparison
LDB_FLAG_MOD_* values are not actually flags, and the previous comparison was equivalent to (req_msg->elements[el_idx].flags & LDB_FLAG_MOD_MASK) != 0 which is true whenever any of the LDB_FLAG_MOD_* values are set. Correct the expression to what it was probably intended to be. BUG: https://bugzilla.samba.org/show_bug.cgi?id=15009 Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
-rw-r--r--source4/dsdb/samdb/ldb_modules/partition.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/partition.c b/source4/dsdb/samdb/ldb_modules/partition.c
index 2544a106d13..2d90ca5d1b3 100644
--- a/source4/dsdb/samdb/ldb_modules/partition.c
+++ b/source4/dsdb/samdb/ldb_modules/partition.c
@@ -493,8 +493,8 @@ static int partition_copy_all_callback_action(
* them here too
*/
for (el_idx=0; el_idx < req_msg->num_elements; el_idx++) {
- if (req_msg->elements[el_idx].flags & LDB_FLAG_MOD_DELETE
- || ((req_msg->elements[el_idx].flags & LDB_FLAG_MOD_REPLACE) &&
+ if (LDB_FLAG_MOD_TYPE(req_msg->elements[el_idx].flags) == LDB_FLAG_MOD_DELETE
+ || ((LDB_FLAG_MOD_TYPE(req_msg->elements[el_idx].flags) == LDB_FLAG_MOD_REPLACE) &&
req_msg->elements[el_idx].num_values == 0)) {
if (ldb_msg_find_element(modify_msg,
req_msg->elements[el_idx].name) != NULL) {