diff options
Diffstat (limited to 'source/libsmb')
| -rw-r--r-- | source/libsmb/ntlmssp.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/source/libsmb/ntlmssp.c b/source/libsmb/ntlmssp.c index 70fcd24e764..d017bdb76cf 100644 --- a/source/libsmb/ntlmssp.c +++ b/source/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); |