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-rw-r--r--source3/rpc_server/srv_pipe.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/source3/rpc_server/srv_pipe.c b/source3/rpc_server/srv_pipe.c
index ac491b9e53..6becfa42e8 100644
--- a/source3/rpc_server/srv_pipe.c
+++ b/source3/rpc_server/srv_pipe.c
@@ -2113,7 +2113,11 @@ bool api_pipe_schannel_process(pipes_struct *p, prs_struct *rpc_in, uint32 *p_ss
auth_len = p->hdr.auth_len;
- if (auth_len < RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN) {
+ if (auth_len < RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN ||
+ auth_len < RPC_HEADER_LEN +
+ RPC_HDR_REQ_LEN +
+ RPC_HDR_AUTH_LEN +
+ auth_len) {
DEBUG(0,("Incorrect auth_len %u.\n", (unsigned int)auth_len ));
return False;
}