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Now we're allowing a lower bound for auth_len, ensure we
author
Jeremy Allison
<jra@samba.org>
Fri, 6 Mar 2009 04:59:48 +0000
(20:59 -0800)
committer
Jeremy Allison
<jra@samba.org>
Fri, 6 Mar 2009 04:59:48 +0000
(20:59 -0800)
also check for an upper one (integer wrap).
Jeremy.
source/rpc_server/srv_pipe.c
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diff --git
a/source/rpc_server/srv_pipe.c
b/source/rpc_server/srv_pipe.c
index d491bc22450ab4990c6d1c1deb8a3a4c1d913985..868f4d0358560d771ec5c07228808245c2349475 100644
(file)
--- a/
source/rpc_server/srv_pipe.c
+++ b/
source/rpc_server/srv_pipe.c
@@
-2062,7
+2062,11
@@
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;
}