From 9e7dc491fe59cb37dac14896af13f878da749876 Mon Sep 17 00:00:00 2001 From: Ralph Boehme Date: Thu, 15 Feb 2018 17:38:31 +0100 Subject: CVE-2018-1057: s4:dsdb/acl: remove unused else branches in acl_check_password_rights() Bug: https://bugzilla.samba.org/show_bug.cgi?id=13272 Signed-off-by: Ralph Boehme Reviewed-by: Stefan Metzmacher --- source4/dsdb/samdb/ldb_modules/acl.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'source4/dsdb') diff --git a/source4/dsdb/samdb/ldb_modules/acl.c b/source4/dsdb/samdb/ldb_modules/acl.c index edc6733c7ab..c1655f9eeba 100644 --- a/source4/dsdb/samdb/ldb_modules/acl.c +++ b/source4/dsdb/samdb/ldb_modules/acl.c @@ -1016,14 +1016,24 @@ static int acl_check_password_rights(TALLOC_CTX *mem_ctx, sid); goto checked; } - else if (rep_attr_cnt > 0 || (add_attr_cnt != del_attr_cnt)) { + + if (rep_attr_cnt > 0) { ret = acl_check_extended_right(tmp_ctx, sd, acl_user_token(module), GUID_DRS_FORCE_CHANGE_PASSWORD, SEC_ADS_CONTROL_ACCESS, sid); goto checked; } - else if (add_attr_cnt == 1 && del_attr_cnt == 1) { + + if (add_attr_cnt != del_attr_cnt) { + ret = acl_check_extended_right(tmp_ctx, sd, acl_user_token(module), + GUID_DRS_FORCE_CHANGE_PASSWORD, + SEC_ADS_CONTROL_ACCESS, + sid); + goto checked; + } + + if (add_attr_cnt == 1 && del_attr_cnt == 1) { ret = acl_check_extended_right(tmp_ctx, sd, acl_user_token(module), GUID_DRS_USER_CHANGE_PASSWORD, SEC_ADS_CONTROL_ACCESS, -- cgit v1.2.1