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Merge remote-tracking branch 'origin/topic/vlad/rdp_bluekeep'

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* origin/topic/vlad/rdp_bluekeep:
  RDP: Add weird if specification violated for max channels allowed.
This commit is contained in:
Jon Siwek 2019-05-29 09:46:19 -07:00
commit c3725a5e3f
5 changed files with 11 additions and 3 deletions
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4
CHANGES
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@ -1,4 +1,8 @@
2.6-354 | 2019-05-29 09:46:19 -0700
* Add weird: "RDP_channels_requested_exceeds_max" (Vlad Grigorescu)
2.6-352 | 2019-05-28 17:57:36 -0700
* Reduce data copying in Broker message processing (Jon Siwek, Corelight)

3
NEWS
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@ -80,7 +80,8 @@ New Functionality
also allowed when specifying patterns used in signature files.
- Add a new "client_channels" field to rdp.log based on data parsed from
the Client Network Data (TS_UD_CS_NET) packet.
the Client Network Data (TS_UD_CS_NET) packet. The channel list is also
available in a new event, "rdp_client_network_data".
Changed Functionality
---------------------

2
VERSION
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@ -1 +1 @@
2.6-352
2.6-354

2
doc

@ -1 +1 @@
Subproject commit 6473776663085c9a72c875d3df6d3c3db05cf0e3
Subproject commit 4415d43650f0dd2039f639c814a95d10deac8422

3
scripts/base/protocols/rdp/main.zeek
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@ -201,6 +201,9 @@ event rdp_client_network_data(c: connection, channels: ClientChannelList)
for ( i in channels )
# Remove the NULs at the end
c$rdp$client_channels[i] = gsub(channels[i]$name, /\x00+$/, "");
if ( |channels| > 31 )
Reporter::conn_weird("RDP_channels_requested_exceeds_max", c, fmt("%s", |channels|));
}
event rdp_gcc_server_create_response(c: connection, result: count) &priority=5