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-rw-r--r--source3/libsmb/ntlmssp.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/source3/libsmb/ntlmssp.c b/source3/libsmb/ntlmssp.c
index 70fcd24e76..d017bdb76c 100644
--- a/source3/libsmb/ntlmssp.c
+++ b/source3/libsmb/ntlmssp.c
@@ -813,16 +813,25 @@ static NTSTATUS ntlmssp_server_auth(struct ntlmssp_state *ntlmssp_state,
if (lm_session_key.data && lm_session_key.length >= 8) {
if (ntlmssp_state->lm_resp.data && ntlmssp_state->lm_resp.length == 24) {
session_key = data_blob_talloc(ntlmssp_state->mem_ctx, NULL, 16);
+ if (session_key.data == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
SMBsesskeygen_lm_sess_key(lm_session_key.data, ntlmssp_state->lm_resp.data,
session_key.data);
DEBUG(10,("ntlmssp_server_auth: Created NTLM session key.\n"));
- dump_data_pw("LM session key:\n", session_key.data, session_key.length);
} else {
- /* use the key unmodified - it's
- * probably a NULL key from the guest
- * login */
- session_key = lm_session_key;
+ static const uint8 zeros[24] = { 0, };
+ session_key = data_blob_talloc(
+ ntlmssp_state->mem_ctx, NULL, 16);
+ if (session_key.data == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ SMBsesskeygen_lm_sess_key(
+ lm_session_key.data, zeros,
+ session_key.data);
}
+ dump_data_pw("LM session key:\n", session_key.data,
+ session_key.length);
} else {
DEBUG(10,("ntlmssp_server_auth: Failed to create NTLM session key.\n"));
session_key = data_blob(NULL, 0);