samba/backport-0041-CVE-2022-37966.patch

62 lines
2.1 KiB
Diff

From b0d99036cc44884e9d5ae1caf2076f00c94b7f79 Mon Sep 17 00:00:00 2001
From: Stefan Metzmacher <metze@samba.org>
Date: Tue, 29 Nov 2022 15:45:56 +0100
Subject: [PATCH 41/54] CVE-2022-37966 s4:libnet: allow python bindings to
force setting an nthash via SAMR level 18
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 4ebbe7e40754eeb1c8f221dd59018c3e681ab2ab)
Conflict: NA
Reference: https://attachments.samba.org/attachment.cgi?id=17695
---
source4/libnet/py_net.c | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/source4/libnet/py_net.c b/source4/libnet/py_net.c
index df9280d8c18d..fe5979e7a57a 100644
--- a/source4/libnet/py_net.c
+++ b/source4/libnet/py_net.c
@@ -244,20 +244,32 @@ static PyObject *py_net_set_password(py_net_Object *self, PyObject *args, PyObje
NTSTATUS status;
TALLOC_CTX *mem_ctx;
struct tevent_context *ev;
- const char *kwnames[] = { "account_name", "domain_name", "newpassword", NULL };
+ const char *kwnames[] = { "account_name", "domain_name", "newpassword", "force_samr_18", NULL };
+ PyObject *py_force_samr_18 = Py_False;
ZERO_STRUCT(r);
r.generic.level = LIBNET_SET_PASSWORD_GENERIC;
- if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sss:set_password",
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sss|O:set_password",
discard_const_p(char *, kwnames),
&r.generic.in.account_name,
&r.generic.in.domain_name,
- &r.generic.in.newpassword)) {
+ &r.generic.in.newpassword,
+ &py_force_samr_18)) {
return NULL;
}
+ if (py_force_samr_18) {
+ if (!PyBool_Check(py_force_samr_18)) {
+ PyErr_SetString(PyExc_TypeError, "Expected boolean force_samr_18");
+ return NULL;
+ }
+ if (py_force_samr_18 == Py_True) {
+ r.generic.samr_level = LIBNET_SET_PASSWORD_SAMR_HANDLE_18;
+ }
+ }
+
/* FIXME: we really need to get a context from the caller or we may end
* up with 2 event contexts */
ev = s4_event_context_init(NULL);
--
2.34.1