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CVE-2018-1057: s4:dsdb/acl: add a NULL check for talloc_new() in acl_check_password_rights()

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Bug: https://bugzilla.samba.org/show_bug.cgi?id=13272

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This commit is contained in:
Ralph Boehme 2018-02-16 15:17:26 +01:00 committed by Karolin Seeger
parent 39aa58a5c5
commit 7f4fef05c4
1 changed files with 4 additions and 0 deletions
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4
source4/dsdb/samdb/ldb_modules/acl.c
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@ -973,6 +973,10 @@ static int acl_check_password_rights(TALLOC_CTX *mem_ctx,
"unicodePwd", "dBCSPwd", NULL }, **l;
TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
if (tmp_ctx == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
c = ldb_request_get_control(req, DSDB_CONTROL_PASSWORD_CHANGE_OID);
if (c != NULL) {
/*