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From 2558252a6fc918cfe5e9bdfc0d7b98a1324ab61b Mon Sep 17 00:00:00 2001
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From: Andrew Bartlett <abartlet@samba.org>
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Date: Fri, 16 Aug 2019 14:15:45 +1200
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Subject: [PATCH 096/187] s4-rpc_server: Check NTSTATUS return value from
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netlogon_creds_aes_decrypt()
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Signed-off-by: Andrew Bartlett <abartlet@samba.org>
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Reviewed-by: Andreas Schneider <asn@samba.org>
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(cherry picked from commit 1e427f55d71350b25a8a26e94a5cb7895d8efdf6)
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---
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source4/rpc_server/netlogon/dcerpc_netlogon.c | 21 ++++++++++++-------
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1 file changed, 13 insertions(+), 8 deletions(-)
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diff --git a/source4/rpc_server/netlogon/dcerpc_netlogon.c b/source4/rpc_server/netlogon/dcerpc_netlogon.c
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index ac745e32b02..49a075137ff 100644
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--- a/source4/rpc_server/netlogon/dcerpc_netlogon.c
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+++ b/source4/rpc_server/netlogon/dcerpc_netlogon.c
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@@ -747,14 +747,17 @@ static NTSTATUS dcesrv_netr_ServerPasswordSet2(struct dcesrv_call_state *dce_cal
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SIVAL(password_buf.data, 512, r->in.new_password->length);
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if (creds->negotiate_flags & NETLOGON_NEG_SUPPORTS_AES) {
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- netlogon_creds_aes_decrypt(creds, password_buf.data, 516);
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+ nt_status = netlogon_creds_aes_decrypt(creds,
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+ password_buf.data,
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+ 516);
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} else {
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nt_status = netlogon_creds_arcfour_crypt(creds,
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password_buf.data,
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516);
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- if (!NT_STATUS_IS_OK(nt_status)) {
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- return nt_status;
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- }
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+ }
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+
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+ if (!NT_STATUS_IS_OK(nt_status)) {
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+ return nt_status;
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}
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switch (creds->secure_channel_type) {
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@@ -2803,14 +2806,16 @@ static NTSTATUS dcesrv_netr_NetrLogonSendToSam(struct dcesrv_call_state *dce_cal
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/* Buffer is meant to be 16-bit aligned */
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if (creds->negotiate_flags & NETLOGON_NEG_SUPPORTS_AES) {
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- netlogon_creds_aes_decrypt(creds, r->in.opaque_buffer, r->in.buffer_len);
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+ nt_status = netlogon_creds_aes_decrypt(creds,
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+ r->in.opaque_buffer,
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+ r->in.buffer_len);
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} else {
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nt_status = netlogon_creds_arcfour_crypt(creds,
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r->in.opaque_buffer,
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r->in.buffer_len);
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- if (!NT_STATUS_IS_OK(nt_status)) {
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- return nt_status;
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- }
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+ }
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+ if (!NT_STATUS_IS_OK(nt_status)) {
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+ return nt_status;
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}
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decrypted_blob.data = r->in.opaque_buffer;
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--
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2.23.0
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