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-rw-r--r--source3/libads/sasl.c3
-rw-r--r--source3/libsmb/cliconnect.c3
-rw-r--r--source3/rpc_server/dcesrv_spnego.c2
-rw-r--r--source3/smbd/sesssetup.c3
4 files changed, 7 insertions, 4 deletions
diff --git a/source3/libads/sasl.c b/source3/libads/sasl.c
index 051fc961d9..653d546ccd 100644
--- a/source3/libads/sasl.c
+++ b/source3/libads/sasl.c
@@ -785,7 +785,8 @@ static ADS_STATUS ads_sasl_spnego_bind(ADS_STRUCT *ads)
/* the server sent us the first part of the SPNEGO exchange in the negprot
reply */
- if (!spnego_parse_negTokenInit(talloc_tos(), blob, OIDs, &given_principal, NULL)) {
+ if (!spnego_parse_negTokenInit(talloc_tos(), blob, OIDs, &given_principal, NULL) ||
+ OIDs[0] == NULL) {
data_blob_free(&blob);
status = ADS_ERROR(LDAP_OPERATIONS_ERROR);
goto failed;
diff --git a/source3/libsmb/cliconnect.c b/source3/libsmb/cliconnect.c
index 92e5bb2021..f76f17c1bd 100644
--- a/source3/libsmb/cliconnect.c
+++ b/source3/libsmb/cliconnect.c
@@ -1229,7 +1229,8 @@ ADS_STATUS cli_session_setup_spnego(struct cli_state *cli, const char *user,
* negprot reply. It is WRONG to depend on the principal sent in the
* negprot reply, but right now we do it. If we don't receive one,
* we try to best guess, then fall back to NTLM. */
- if (!spnego_parse_negTokenInit(talloc_tos(), blob, OIDs, &principal, NULL)) {
+ if (!spnego_parse_negTokenInit(talloc_tos(), blob, OIDs, &principal, NULL) ||
+ OIDs[0] == NULL) {
data_blob_free(&blob);
return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER);
}
diff --git a/source3/rpc_server/dcesrv_spnego.c b/source3/rpc_server/dcesrv_spnego.c
index 4686534a2e..fb758e338b 100644
--- a/source3/rpc_server/dcesrv_spnego.c
+++ b/source3/rpc_server/dcesrv_spnego.c
@@ -230,7 +230,7 @@ NTSTATUS spnego_server_auth_start(TALLOC_CTX *mem_ctx,
ret = spnego_parse_negTokenInit(sp_ctx, *spnego_in,
sp_ctx->oid_list, NULL, &token_in);
- if (!ret) {
+ if (!ret || sp_ctx->oid_list[0] == NULL) {
DEBUG(3, ("Invalid SPNEGO message\n"));
status = NT_STATUS_INVALID_PARAMETER;
goto done;
diff --git a/source3/smbd/sesssetup.c b/source3/smbd/sesssetup.c
index 0b999b348a..b227d2bc9e 100644
--- a/source3/smbd/sesssetup.c
+++ b/source3/smbd/sesssetup.c
@@ -575,7 +575,8 @@ NTSTATUS parse_spnego_mechanisms(TALLOC_CTX *ctx,
*kerb_mechOID = NULL;
/* parse out the OIDs and the first sec blob */
- if (!spnego_parse_negTokenInit(ctx, blob_in, OIDs, NULL, pblob_out)) {
+ if (!spnego_parse_negTokenInit(ctx, blob_in, OIDs, NULL, pblob_out) ||
+ (OIDs[0] == NULL)) {
return NT_STATUS_LOGON_FAILURE;
}